61 research outputs found
The Spontaneous Fission Decay Constant Of 238u Using Ssntd
No full textThis work reports the results of 5 measurements of the 238U decay constant for spontaneous fission, λ(f) carried out using solid state nuclear track detectors (SSNTD), resulting in a mean value of λ(f) = (8.35±0.24)·10-17 y-1. The neutron fluence of the irradiations needed for these measurements were monitored with thin films of natural uranium.2452441442Bigazzi, G., (1981) Nucl. Tracks, 5, p. 35Roberts, J.H., Gold, R., Armani, R.J., (1968) Phys. Rev., 174, p. 4847Bigazzi, G., Hadler Neto, J.C., Iunes, P.J., Oddone, M., Paulo, S.R., Zuniga, A., (1995) Nucl. Instrum. Meth. Phys. Res., 352 A, p. 588Bigazzi, G., Hadler Neto, J.C., Iunes, P.J., Osorio Araya, A.M., (1991) Nucl. Tracks Radiat. Meas., 19, p. 451Hadler Neto, J.C., Iunes, P.J., Mello, T.C.W.P., Navia, L.M.S., Paulo, S.R., (1996) Radiat. Meas., 26, p. 169Lederer, C.M., Shirley, V., (1978), p. 1443. , Table of Isotopes, 7th ed., Wiley-Interscience, New York, US
Radon Surveys In Brazil Using Cr-39
No full textIn this work results of two radon daughters survey in Brazil are presented and discussed. Some methodological problems concerning the first survey are pointed out which were corrected for the second survey in order to make a realistic long-term measurement of radon decay products in the air. The technique employed in both surveys was the alpha-spectroscopy using CR-39. The reliability of this technique as well as the results of the second survey are discussed, which indicate a poor correlation between radon and its decay products in the air at the researched dwellings. © 2005 Elsevier Ltd. All rights reserved.396657660Guedes, S., Hadler Neto, J.C., Iunes, P.J., Navia, L.M.S., Neman, R.S., Paulo, S.R., Rodrigues, V.C., Zuniga, A., Indoor radon and radon daughters survey at Campinas, Brazil using CR-39: First results (1999) Radiat. Meas., 31, pp. 287-290Hadler Neto, J.C., Paulo, S.R., Indoor radon daughters contamination monitoring: The absolute efficiency of CR-39 taking into account the plate-out effect and environmental conditions (1994) Radiat. Prot. Dosim., 51, pp. 283-296Hadler Neto, J.C., Iunes, P.J., Osório Araya, A.M., Paulo, S.R., Relationship between track size and energy for alpha particles in CR-39 (1991) Nucl. Tracks Radiat. Meas., 19, pp. 313-317Magalhães, M.H., Amaral, E.C.S., Sachett, I., Rochedo, E.R.R., Radon-222 in Brazil: An outline of indoor and outdoor measurements (2003) J. Environ. Radioactivity, 67, pp. 131-143Malanca, A., Gaidolfi, M., Environmental radon in some Brazilian towns and mines (1997) Radiat. Prot. Dosim., 69, pp. 211-216Neman, R., (2000) Medida Da Contaminação Radioativa Do Ar Ambiental Por radônio-222 E Filhos Em Residências De Campinas-SP, , Brasil. Master Thesis, Universidade Estadual de Campinas (in Portuguese)Neman, R.S., Schmitman, I.D., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Guedes, S., Measurement of indoor 222Rn using CR-39 under a thin film geometry (2001) Radiat. Meas., 34, pp. 145-148Nikolaev, V.A., Ilić, R., Etched track radiometers in radon measurements: A review (1999) Radiat. Meas., 31, pp. 1-1
Fission-track Dating Of South American Natural Glasses: An Overview
No full textAlthough many glass-bearing horizons can be found in South American volcanic complexes or sedimentary series, only a relatively few tephra and obsidian-bearing volcanic fields have been studied using the fission-track (FT) dating method. Among them, the volcanics located in the Sierra de Guamaní (east of Quito, Ecuador) were studied by several authors. Based upon their ages, obsidians group into three clusters: (1) very young obsidians, ∼0.2Ma old, (2) intermediate-age obsidians, ∼0.4-∼0.8Ma old, and (3) older obsidians, ∼1.4-∼1.6Ma old. The FT method is also an efficient alternative technique for identification of the sources of prehistoric obsidian artefacts. Provenance studies carried out in South America have shown that the Sierra de Guamaní obsidian occurrences were important sources of raw material for tool making during pre-Columbian times. Glasses originated from these sources were identified in sites distributed over relatively wide areas of Ecuador and Colombia. Only a few systematic studies on obsidians in other sectors were carried out. Nevertheless, very singular glasses have been recognised in South America, such as Macusanite (Peru) and obsidian Quiron (Argentina), which are being proposed as additional reference materials for FT dating. Analyses of tephra beds interstratified with sedimentary deposits revealed the performance of FT dating in tephrochronological studies. A remarkable example is the famous deposit outcropping at Farola Monte Hermoso, near Bahia Blanca (Buenos Aires Province), described for the first time by the middle of the 19th century by Charles Darwin. Considering the large number of volcanic glasses that were recognised in volcanic complexes and in sedimentary series, South America is a very promising region for the application of FT dating. The examples given above show that this technique may yield important results in different disciplinary fields. © 2005 Elsevier Ltd. All rights reserved.396585594Arias, C., Bernardes, C., Bigazzi, G., Bonadonna, F.P., Cesar, M.F., Hadler Neto, J.C., Lattes, C.M.G., Radi, G., Identificação de provenência de manufaturados de obsidiana através da datação com o método do traço de fissão (1986) Ciência E Cultura, 38, pp. 285-308Balestrieri, M.L., Bigazzi, G., Bouška, V., Labrin, E., Hadler Neto, J.C., Kitada, N., Osorio Araya, A.M., Zúñiga, G.A., Potential glass age standards for fission-track dating: An overview (1998) Advances in Fission-Track Geochronology, pp. 287-304. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtBarberi, F., Coltelli, M., Ferrara, G., Innocenti, F., Navarro, J.M., Santacroce, R., Plio-Quaternary volcanism in Ecuador (1988) Geol. Mag., 125, pp. 1-14Bigazzi, G., Coltelli, M., Hadler Neto, J.C., Osorio Araya, A.M., Oddone, M., Salazar, E., Obsidian bearing lava flows and pre-Columbian artifacts from Ecuadorian Andes: First new multidisciplinary data (1992) J. South Am. Earth Sci., 6, pp. 21-32Bigazzi, G., Bonadonna, F.P., Leone, G., Zanchetta, G., Primeros datos geoquìmicos y geocronològicos a partir de algunas cineritas del àrea bonaerense, Argentina (1995) Evoluciòn Biològica Y Climàtica De La Regiòn Pampeana Durante Los ùltimos 5 Millones De Anos, pp. 103-115. , Alberdi, M.T., Leone, G., Tonni, E.P. (Eds.). Editores: Museo Nacional de Ciencias Naturales (C.S.I.C.), Madrid, EspañaBigazzi, G., Bonadonna, F.P., Zanchetta, G., Farola Monte Hermoso: Fission-track dating of Darwin's mammals deposit in Argentina (1996) J. Quat. Sci., 11, pp. 423-426Bigazzi, G., Laurenzi, M.A., Viramonte, J.G., (2005) The Obsidian from Quiron: A New Reference Glass for Fission-track Dating, , this issue, doi: 10.1016/j.radmeas.2004.12.005Darwin, C., Geological observations on South America (1846) Being the Third Part of the Geology of the Voyage of the Beagle, under the Command of Capt. N.R. Fitzroy, during the Years 1832 to 1836, , H. Coburn, LondonDorighel, O., Poupeau, G., Bellot-Gurlet, L., Labrin, E., Fission track dating and provenience of archaeological obsidian artefacts in Colombia and Ecuador (1998) Advances in Fission-Track Geochronology, pp. 313-324. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtEspizua, E.L., Bigazzi, G., Fission-track dating of the Punta de Vacas glaciation in the Río Mendoza valley, Argentina (1998) Quat. Sci. Reviews, 17, pp. 755-760Espizua, L.E., Bigazzi, G., Iunes, P.J., Hadler Neto, J.C., Osorio Araya, A.M., Fission-track dating of a tephra layer related to Poti-Malal and Seguro drifts in the Río Grande basin, Mendoza, Argentina (2002) J. Quat. Sci., 17, pp. 781-788Fleischer, R.L., Price, P.B., Fission track evidence for the simultaneous origin of tektites and other natural glasses (1964) Geochim. Cosmochim. Acta, 28, pp. 755-766Fleischer, R.L., Price, P.B., Walker, R.M., Leakey, L.S.B., Fission track dating of bed I, Olduvai Gorge (1965) Science, 148, pp. 72-74Marcos, J.G., Álvarez, P.A., Bigazzi, G., El tráfico a distancia temprano entre la hoya de Quito y la Península de Santa Elena: Las evidencias de Real Alto (1998) Intercambio Y Comerico Entre Costa, Andes Y Selva: Arqueología Y Etnohistoria De Suramérica, pp. 163-185. , F. Cardenas-Arroyo T.L. Bray Universidad de Los Andes BogotáMiller, D.S., Wagner, G.A., Fission-track ages applied to obsidian artefacts from South America using the plateau-annealing and track-size age-correction techniques (1981) Nucl. Tracks Radiat. Meas., 5, pp. 147-155Naeser, N.D., Westgate, J.A., Hugens, O., Péwé, T.L., Fission-track ages of late Cenozoic distal tephra beds in the Yukon Territory and Alaska (1982) Can. J. Earth Sci., 19, pp. 2167-2178Osorio Araya, A.M., Bigazzi, G., Guedes, S., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Tello, S., Zúñiga, A., Dating of natural glasses from South America by the fission track method (2000) SBPN Sci. J., 4, pp. 82-89. , Proceedings of the Symposium on Physical Methods of Dating in Archaeology and Geology, 27-28 July, São Paulo, BrazilOsorio Araya, A.M., Iunes, P.J., Bigazzi, G., Hadler Neto, J.C., Laurenzi, M.A., Norelli, P., Tello, S.C.A., Paulo, S.R., Fission-track dating of Macusanite glasses with plateau and size correction methods (2003) Radiat. Meas., 36, pp. 407-412Poupeau, G., Dorighel, O., Bellot-Gurlet, L., Scorzelli, R.B., Les méthodes de caractérisation de l'obsidienne dans l'Aire Septentrionale Andine préhispanique (1999) Bull. Soc. Suisse Américanistes, 63, pp. 97-110Storzer, D., Poupeau, G., Ages-plateau de minéraux et verres par la méthode des traces de fission (1973) C. R. Acad. Sci. Paris Série D, 276, pp. 137-139Storzer, D., Wagner, G.A., Correction of thermally lowered fission-track ages of tektites (1969) Earth Planet. Sci. Lett., 5, pp. 463-46
Thermochronology Of The South American Platform In The State Of São Paulo, Brazil, Through Apatite Fission Tracks
No full textThe fission-track method (FTM) in apatite was applied to 45 samples collected in the Serra da Mantiqueira (Mantiqueira mountain range), the Serra do Mar (Mar mountain range), regions next to these mountain ranges and the coastal region between Ubatuba and Santos in the State of São Paulo, Brazil, to study the thermochronology of the South American Platform in southeast Brazil and its influence on Santos and Campos basins. The data presented in this work complement the previously presented data on the same region (Tello Saenz et al., 2003. J. S. Am. Earth Sci. 15, 765-774) with 31 new samples analyzed. The weighted mean of the corrected ages from high Mantiqueira (around 1000 m), (121±6)Ma, coincides with the South Atlantic opening. The fact that its thermal history starts at a relatively low temperature (∼80°C) suggests that the age of ∼120Ma would be the formation age of Serra da Mantiqueira due to a rapid pulse, in which tracks had no time to be retained at the closure temperature, that is ∼120°C. The Serra do Mar presents a more complicated thermal history, with several reactivations indicated by the changes in the slope of its cooling curve. The thermal histories obtained in the regions next to these mountain ranges are compatible with the results mentioned above. The Santos Basin has unconformities that agree with changes in the slope thermal histories of the studied region. © 2005 Elsevier Ltd. All rights reserved.396635640Almeida, F.F.M., Carneiro, C.D.R., Origem e evolução da Serra do Mar (1998) Rev. Bras. Geociência, 28, pp. 135-150Amaral, G., Born, H., Hadler Neto, J.C., Iunes, P.J., Kawashita, K., Machado Jr., D.L., Oliveira, E.P., Tello Saenz, C.A., Fission track analysis of apatites from São Francisco craton and mesozoic alcaline-carbonatite complexes from central and southeastern Brazil (1997) J. S. Am. Earth Sci., 10, pp. 285-294Fleischer, R.L., Hart, H.R., Fission track dating: Techniques and problems (1972) Proceedings of Burg Wartenstein Conference on Calibration of Hominoid Evolution, pp. 135-170. , W.W. Bishop D.A. Miller S. Colle Scottish Academic Press EdinburghGuedes, S., Hackspacher, P., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Ribeiro, L.F.B., Tello Saenz, C.A., Constraints on the evolution and thermal history of the continental platform of southeast Brazil, São Paulo state, using Fission Track Analyses (AFTA) (2000) Rev. Bras. Geociências, 30, pp. 107-109Guedes, S., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Zuñiga, A., The spontaneous fission decay constant of 238U using SSNTD (2000) J. Radioanal. Nucl. Chem., 245, pp. 441-442Guedes, S.O., Hadler Neto, J.C., Iunes, P.J., Zuñiga, A.G., Tello Saenz, C.A., Paulo, S.R., The use of the U(n,f) reaction dosimetry in the determination of the λf value through fission-track techniques (2003) Nucl. Instrum. Meth. A, 496, pp. 215-221Guedes, S., Hadler Neto, J.C., Sarkis, J.E.S., Oliveira, K.M.G., Kakazu, M.H., Iunes, P.J., Saiki, M., Paulo, S.R., Spontaneous-fission decay constant of 238U measured by nuclear techniques without neutron irradiation (2003) J. Radioanal. Nucl. Chem., 258, pp. 117-122Hadler Neto, J.C., Paulo, S.R., Iunes, P.J., Tello Saenz, C.A., Balestrieri, M.L., Bigazzi, G., Curvo, E.A.C., Hackspacher, P., A PC compatible Brazilian software for obtaining thermal histories using apatite fission track analysis (2001) Radiat. Meas., 34, pp. 149-154Hadler Neto, J.C., Bigazzi, G., Guedes, S., Iunes, P.J., Oddone, M., Tello Saenz, C.A., Paulo, S.R., Spontaneous U-238 fission half-life measurements based on fission track techniques (2003) J. Radioanal. Nucl. Chem., 256, pp. 155-157Holden, N.E., Hoffman, D.C., Spontaneous fission half-lives ground-state nuclides (Technical report) (2000) Pure Appl. Chem., 72, pp. 1525-1562Iunes, P.J., Hadler Neto, J.C., Bigazzi, G., Tello Saenz, C.A., Guedes, S.O., Paulo, S.R., Durango apatite fission-track dating using length-based age corrections and neutron fluence measurements by thorium thin films and natural U-doped glasses calibrated through natural uranium thin films (2002) Chem. Geol., 187, pp. 201-211Laslett, G.M., Green, P.F., Duddy, I.R., Gleadow, J.W.A., Thermal annealing of fission tracks in apatite 2. The quantitative analysis (1987) Chem. Geol., 65, pp. 1-13Lutz, T.M., Omar, G., An inverse method of modeling thermal histories from apatite fission-track dates (1991) Earth Planet. Sci. Lett., 104, pp. 181-195Pereira, M.J., Feijó, F.J., Bacia de Santos (1994) Bol. Geociências Petrobrás, 8, pp. 219-234Tello Saenz, C.A., Hackspacher, P., Hadler Neto, J.C., Iunes, P.J., Guedes, S.O., Paulo, S.R., Ribeiro, L.F.B., Recognition of Cretaceus, Paleocene and Neogene Tectonic reactivation, through apatite fission-track analysis, in Precambrian areas of the Southeast Brazil: Association with the South Atlantic Ocean opening (2003) J. S. Am. Earth Sci., 15, pp. 765-774Tello Saenz, C.A., Hadler Neto, J.C., Iunes, P.J., Guedes, S., Paulo, S.R., Annealing experiments on induced fission tracks in apatite: I. Measurements of horizontal-confined-track lengths and track densities in basal sections and randomly oriented grains (2004) Am. Mineral., , submitte
Anomalous Tracks Observed In Uranium Loaded Nuclear Emulsions
No full textAnomalous tracks observed in uranium loaded emulsions are identified as alpha ray tracks emitted during the drying stage of the emulsions. Consequences of the presence of those tracks are discussed. © 1980.1723587589J.C. Hadler Neto, C.M.G. Lattes, A. Marques, M.D. Marques, D.A.B. Serra and G. Bigazzi, to be publishedDemers, (1955) Ionographie (Les Émulsions Nucléaires), p. 341. , Les Press Universitaires de Montreal, OttawaDe Carvalho, (1964) Progress in nuclear techniques and instrumentation, 1. , 3rd ed., F.J.M. Farley, North-Holland, Amsterda
The Use Of Apatite Fission Track Thermochronology To Constrain Fault Movements And Sedimentary Basin Evolution In Northeastern Brazil
No full textAn apatite fission track study of crystalline rocks underlying sedimentary basins in northeastern Brazil indicate that crustal blocks that occur on opposite sides of a geological fault experienced different thermal histories. Samples collected on the West block yielded corrected fission-track ages from 140 to 375 Ma, whereas samples collected on the East block yielded ages between 90 and 125 Ma. The thermal models suggest that each block experienced two cooling events separated by a heating event at different times. We concluded that the West block moved downward relative to the East block ca. 140 Ma ago, when sediments eroded from the East side were deposited on the West side. This process represents the early stage of sedimentary basin formation and the opening of the South Atlantic Ocean in the region. Downward and upward movements related to heating and cooling events of these crustal blocks at different periods until recent times are proposed. © 2005 Elsevier Ltd.396627633Bigazzi, G., Guedes, S., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Tello Saenz, C.A., Application of neutron dosimetry by natural uranium and thorium thin films in fission-track dating (2000) Extended Abstract of Ninth International Conference on Fission Track Dating in Thermochronology, pp. 33-35. , Lorne, AustraliaFleischer, R.L., Hart, H.R., Fission track dating: Techniques and problems (1972) Calibration of Humanoid Evolution, pp. 135-170. , W.W. Bishop J.A. Miller S. Cole Scottish Academic Press EdinburgFrançolin, J.B.L., Szatmari, P., Mecanismo de rifteamento da porção oriental da margem norte brasileira (1987) Rev. Bras. Geoc., 17, pp. 196-207Galbraith, P.F., On statistical models for fission track counts (1981) J. Math. Geol., 13, pp. 471-488Gleadow, A.J.W., Fission-track dating methods - What are the real alternatives? (1981) Nucl. Tracks Radiat. Meas., 5, pp. 3-14Green, P.F., A new look at statistics in fission-track dating (1981) Nucl. Tracks Radiat. Meas., 5, pp. 77-86Green, P.F., The relationship between track shortening and fission track age reduction in apatite: Combined influence of inherent instability, annealing anisotropy, length bias and system calibration (1988) Earth Planet. Sci. Lett., 89, pp. 335-352Guedes, S., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Zuñiga, A., The spontaneous fission decay constant of 238U using SSNTD (2000) J. Radioanal. Nucl. Chem., 245, pp. 441-442Guedes, S., Hadler Neto, J.C., Iunes, P.J., Zuniga, A., Tello, C.A., Paulo, S.R., The use of the U(n,f) reaction dosimetry in the determination of the λf value through fission-track techniques (2003) Nucl. Instrum. Meth. A, 496, pp. 215-221Guedes, S., Hadler Neto, J.C., Sarkis, J.E.S., Oliveira, K.M.G., Kakazu, M.H., Iunes, P.J., Saiki, M., Paulo, S.R., Spontaneous-fission decay constant of 238U measured by nuclear techniques without neutron irradiation (2003) J. Radioanal. Nucl. Chem., 258, pp. 117-122Guedes, S., Hadler Neto, J.C., Iunes, P.J., Tello Saenz, C.A., Kinetic model for the relationship between confined fission-track length shortening and fission-track age reduction in minerals (2004) Nucl. Instrum. Meth. B, 217, pp. 627-636Hackspacher, P.C., Legrand, J.M., Deformation and metamorphism on the Portalegre Shear Zone, Northeastern Brazil (1989) Rev. Bras. Geoc., 19, pp. 63-75Hadler Neto, J.C., Paulo, S.R., Iunes, P.J., Tello, C.A., Balestrieri, M.L., Bigazzi, G., Curvo, E.A.C., Hackspacher, P.C., A PC compatible Brazilian software for obtaining thermal histories using apatite fission track analysis (2001) Radiat. Meas., 34, pp. 149-154Holden, N.E., Hoffman, D.C., Spontaneous fission half-lives ground-state nuclides (Technical report) (2000) Pure Appl. Chem., 72, pp. 1525-1562Hurford, A.J., Standardization of fission track dating calibration: Recommendation by the Fission Track Working Group of the I.U.G.S. Subcommission on Geochronology (1990) Chem. Geol., 80, pp. 171-178Iunes, P.J., Hadler Neto, P.C., Bigazzi, G., Tello Saenz, C.A., Guedes, S., Paulo, S.R., Durango apatite fission-track dating using length-based age corrections and neutron fluence measurements by natural Thorium thin films and natural U-doped glasses calibrated through natural uranium thin films (2002) Chem. Geol., 187, pp. 201-211Iwano, H., Danhara, T., A re-investigation of the geometry factors for fission-track dating of apatite, sphene and zircon (1998) Advances in Fission-track Geochronology, pp. 47-66. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtJonckheere, R., On the densities of etchable fission tracks in mineral and co-irradiated external detector with reference to fission-track dating of minerals (2003) Chem. Geol., 200, pp. 41-58Matos, R.M.D., The northeast Brazilian rift system (1992) Tectonics, 11, pp. 766-791Morais Neto, J.M., Hegarty, K.A., Karner, G.D., Alkimin, F.F., Matos, R.M.D., Uplift and erosion in the Borborema Province, northeast Brazil: Insights from apatite fission track analysis (2000) XXXI International Geological Congress, , Abstract Volume, IUGS/SBG, Rio de Janeiro, Brazil. GS 18.1Tello, C.A., (1998) Estudo de Annealing de Traços de Fissão em Apatitas, Tanto em Seções Basais Quanto em Seções sem Orientação Preferencial, Análise dos Comprimentos dos Traços de Fissão, 111p. , UNICAMP, Campinas, Brazil, Ph.D. Thesi
On Epidote Fission Track Dating
No full textThe use of epidote in fission track dating was abandoned since the beginning of the 1980s due to difficulties like absence of a standard etching procedure, obtainment of different closure temperatures and the percentage of the datable samples. The results become much more reproducible when restricting fission track analysis to a peculiar kind of track. We are also studying confined track length, what makes possible to obtain information about fossil track annealing. Fission tracks in epidote were successfully etched with 48% HF at 35°C for 12.5 min. Dating samples by the external detector method was not possible due to problems in measuring the efficiency factor held between the number of fossil fission tracks and tracks induced in mica. Dating a sample from Brejuí, RN, Brazil with the population method gave a corrected age of 510±69Ma, in agreement with published U/Th-Pb ages. From the fact that the fossil track length histogram was bimodal, we were able to infer that this sample registered a thermal episode during its history. These preliminary results indicate that epidote deserves further studies to establish whether it can be employed as a thermochronological tool. © 2005 Elsevier Ltd. All rights reserved.396641645Bal, K.D., Lal, N., Nagpaul, K.K., Fission track etching studies of different planes of epidote (1982) Phys. Chem. Miner., 8, pp. 158-160Bar, M., Kolodny, Y., Bentor, Y.K., Dating faults by fission track dating of epidotes - An attempt (1974) Earth Plan. Sci. Lett., 22, pp. 157-162Bigazzi, G., Guedes, S., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Tello, S., A., C., Application of neutron dosimetry by natural uranium and thorium thin films in fission track dating (2000) Proceedings of the Ninth International Conference on Fission Track Dating and Thermochronology, pp. 33-35Braun, I., Montel, J., Nicollet, C., Electron microprobe dating of monazites from high-grade gneisses and pegmatites of the Kerala Khondalite Belt, southern India (1998) Chem. Geol., 146, pp. 65-85Cordani, U.G., Sato, K., Crustal evolution of the South American plataform, based on Nd isotopic systematics on granitoid rocks (1999) Episodes, 22 (3), pp. 167-173Guedes, S., Hadler Neto, J.C., Iunes, P.J., Paulo, S.R., Zuñiga, A., The spontaneous fission decay constant of 238U using SSNTD (2000) J. Radioanal. Nucl. Chem., 245 (1), pp. 441-442Guedes, S., Hadler Neto, J.C., Sarkis, J.E., Oliveira, K.M., Kakazu, M.H., Iunes, P.J., Saiki, M., Paulo, S.R., Spontaneous-fission decay constant of 238U measured by nuclear track techniques without neutron irradiation (2003) J. Radioanal. Nucl. Chem., 258 (1), pp. 117-122Haack, U., Experiences with dating garnet, epidote, vesuvianite (idiocrase) and apatite by fission tracks (1976) N. Jb. Min. Abh., 127, pp. 143-155Holden, N.E., Hoffman, D.C., Spontaneous fission half-lives for ground-state nuclides (2000) Pure Appl. Chem., 72, p. 1525Iunes, P.J., Hadler Neto, J.C., Bigazzi, G., Tello, S.C.A., Guedes, S., Paulo, S.R., Durango apatite fission-track dating using length-based age corrections and neutron fluence measurements by thorium thin films and natural U-doped glasses calibrated through natural uranium thin films (2002) Chem. Geol., 187, pp. 201-211Jaffey, A.H., Flynn, K.F., Glendenin, L.E., Bentley, W.C., Essling, A.M., Precision measurements of half-lives and specific activities of 235U and 238U (1971) Phys. Rev., 4, pp. 1889-1906Lederer, C.M., Shirley, V.M., (1978) Table of Isotopes, , seventh ed. Wiley-Interscience New YorkNaeser, C.W., Engels, J.C., Dodge, F.C., Fission track annealing and age determination of epidote minerals (1970) J. Geoph. Res., 75 (8), pp. 1579-1584Reimer, M., (1972) Fission Track Geochronology: Method for Tectonic Interpretation of Apatite Studies with Examples from the Central and Southern Alps, , Dissertation University of Pennsylvania, PhiladelphiaSaini, H.S., Sharma, O.P., Parshad, R., Nagpaul, K.K., Fission track annealing characteristics of epidote: Applications to geochronology and geology (1978) Nucl. Track Detect., 2, pp. 133-140Souza, S.Z., Montel, J.M., Hollanda, M.H., Sá, E.F., Pimentel, M.M., Lardeaux, J.M., Amaro, V.E., Menezes, L., Idade do metamorfismo Neoproterozóico de alta temperatura no Maciço São José de Campestre, NE da Província Borborema, com base em datações U-Th-Pb em monazitas e isócronas internas Sm-Nd (2001) VIII Simpósio Nacional De Estudos Tectônicos, pp. 115-118. , Recife, PE, BrasilStorzer, D., Wagner, G.A., Correction of thermally lowered fission track ages of tektites (1969) Earth Planet. Sci. Lett., 5, pp. 463-468Thöni, M., Sm-Nd isotope systematics in garnet from different lithologies (Eastern Alps): Age results, and an evaluation of potential problems for garnet Sm-Nd chronometry (2002) Chem. Geol., 185, pp. 255-281Wagner, G., Van Den Haute, P., (1992) Fission Track Dating, 285p. , Solid Earth Sciences Librar
U And Th Thin Film Neutron Dosimetry For Fission-track Dating: Application To The Age Standard Moldavite
No full textNeutron dosimetry based on U and Th thin films was used for fission-track dating of the age standard Moldavite, the central European tektite, from the Middle Miocene deposit of Jankov (southern Bohemia, Czech Republic). Our fission-track age (13.98±0.58Ma) agrees with a recent 40Ar/39Ar age, 14.34±0.04Ma, based on several determinations on Moldavites from different sediments, including the Jankov deposit. This result indicates that the U and Th thin film neutron dosimetry represents a reliable alternative for an absolute approach in fission-track dating. © 2005 Elsevier Ltd. All rights reserved.396665668Balestrieri, M.L., Bigazzi, G., Bouška, V., Labrin, E., Hadler Neto, J.C., Kitada, N., Osorio Araya, A.M., Zúñiga, A., Potential glass age standards for fission-track dating: An overview (1998) Advances in Fission-Track Geochronology, pp. 287-304. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtBigazzi, G., Guedes, S., Hadler Neto, J.C., Iunes, P.J., Oddone, M., Osorio Araya, A.M., Paulo, S.R., Zúñiga, A., Potentialities and practical limitations of an absolute neutron dosimetry using thin films of uranium and thorium applied to the fission track method (1999) Radiat. Meas., 31, pp. 651-656Bouška, V., (1994) Moldavites. The Czech tektites, , Stylizace PragueGleadow, A.J.W., Fission track dating methods: What are the real alternatives? (1981) Nucl. Tracks, 5, pp. 3-14Guedes, S., Hadler Neto, J.C., Iunes, P.J., Zúñiga, A., Tello, S.C.A., Paulo, S.R., The use of the U(n,f) reaction dosimetry in the determination of the λf value through fission-track techniques (2003) Nucl. Instrum. Methods Phys. Res. A, 496, pp. 215-221Holden, N.E., Hoffman, D.C., Spontaneous fission half-lives for ground-state nuclides (2000) Pure Appl. Chem., 72, pp. 1525-1562Hurford, A.J., Standardization of fission track dating calibration: Recommendation by the Fission-Track Working Group of the IUGS subcommission on Geochronology (1990) Chem. Geology (Isot. Geosci. Section), 80, pp. 171-178Hurford, A.J., Zeta: The ultimate solution or just an interim measure? (1998) Advances in Fission-Track Geochronology, pp. 19-32. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtHurford, A.J., Green, P.F., The Zeta age calibration of fission track dating (1983) Chem. Geol. (Isot. Geosci. Section), 1, pp. 285-317Iunes, P.J., Hadler Neto, J.C., Bigazzi, G., Tello, S.C.A., Guedes, S., Paulo, S.R., Durango apatite fission-track dating using length-based age corrections and neutron fluence measurements by natural thorium thin films and natural U-doped glasses calibrated through natural uranium thin films (2002) Chem. Geol., 187, pp. 201-211Lange, J.-M., Bollinger, H., Horn, P., Jessberger, E.K., Schaaf, P., Storzer, D., Moldavites from Lusatia (Germany) III: Sr isotope, 40Ar/ 39Ar, and fission track studies (1995) 26th Lunar and Planetary Science Conference, pp. 823-824Laurenzi, M.A., Bigazzi, G., Balestrieri, M.L., Bouška, V., 40Ar/39Ar laser probe dating of the Central European tektite-producing impact event (2003) Meteor. Planet. Sci., 38, pp. 887-894McDowell, F.W., Keizer, R.P., Timing of mid-tertiary volcanism in the Sierra Madre occidental between Durango city and Mazatlan, Mex (1977) Geol. Soc. Am. Bull., 88, pp. 1479-1487Schwarz, W.H., Lippolt, H.J., Coeval 40Ar/39Ar ages of moldavites from the Bohemian and Lusatian strewn fields (2002) Meteor. Planet. Sci., 37, pp. 1757-1763Spadavecchia, A., Hahn, B., Die Rotationskammer und einigen Anwendungen (1967) Helv. Phys. Acta, 40, pp. 1063-1069Staudacher, T., Jessberger, E.K., Dominik, B., Kirsten, T., Schaeffer, O.A., 40Ar/39Ar ages of rocks and glasses from the Nördlinger Ries crater and the temperature history of impact breccias (1982) J. Geophys., 51, pp. 1-11Storzer, D., Poupeau, G., Ages-plateaux de minéraux et verres par la méthode des traçes de fission (1973) Comp. Rend. Acad. Sci. Paris, 276 (500), pp. 137-139Storzer, D., Jessberger, E.K., Kunz, J., Lange, J.-M., Synopsis von spaltspuren- und kalium-argon-datierungen an ries-impaktgläsern und Moldaviten (1995) Exkurs. F. U. Veröfftl. GGW, 195, pp. 79-8
Consolidation And Break-up Of The South American Platform In Southeastern Brazil: Tectonothermal And Denudation Histories
No full textThe different tectonic stages that occurred at the end of the Proterozoic and during the Phanerozoic have an important bearing on the tectonothermal history of the South American Platform and its consolidation. Geochronological data (U/Pb monazite, 40Ar/39Ar whole rock) and apatite fission-track analysis, from Precambrian rocks of the southeastern Brazilian coastline, permit the modeling of a long-term thermal history of the crust and constrain variable denudation rates. Using these data, a temperature-time diagram reflects a period of accelerated exhumation during the end of the Brasiliano Orogeny, followed by long stability and reactivation of the platform during the Rifting Phase of the South Atlantic Ocean. U/Pb zircon and monazite (blocking temperature of ca. 650°C) data from a series of igneous bodies suggest that a tangential and transpressional tectonic regime occurred between 625 and 610 Ma. During the following escape tectonics, between 610 and 590 Ma the exhumation process indicates cooling rates of ca. 12°C/Ma. 40Ar/39Ar biotite ages between 540 and 510 Ma (ca. 300°C) and a corrected fission-track age on apatites (100°C) of 480 Ma indicate an exhumation event related to block tectonics with huge vertical displacement along shear zones. A long stabilization phase, with low exhumation, and cooling rate around 0.25°C/Ma was recorded from the Cambro/Ordovician to the Mesozoic. At 65 Ma an acceleration of the exhumation through denudation and reworking of the South American surface with cooling rate of 1.5°C/Ma is observed. The uplift of the Mantiqueira and Serra do Mar mountain ranges along the southeast Brazilian coastline works as a climatic barrier provoking lateral erosional processes causing long-term scarp retreat, combined with intense, but progressive denudation towards the continent. A denudation of 2.5 to 4 km was calculated for such processes. This lateral retreat of escarpments and flexural response can provide important insights regarding marginal isostatic uplift and the evolution of offshore sedimentary basins of southeast Brazil.7191101de Almeida, F.F.M., (1976) The System of Continental Rifts Bordering the Santos BasinAnais Da Academia Brasileira de Ciências, 48 (SUPPL.), pp. 13-26de Almeida, F.F.M., Carneiro, C.D.R., Origem e evolução da Serra do Mar (1998) Revista Brasileira de Geociências, 28, pp. 135-150Amaral, G., Born, H., Hadler, N.J.C., Iunes, P.J., Kawashita, K., Machado Jr., D.L., Oliveira, E.P., Tello Sáenz, C.A., Fission track analysis of apatites from Sāo Francisco craton and Mesozoic alcaline - Carbonatite complexes from central and southeastern Brazil (1997) J. S. Amer. Earth Sci., 10, pp. 285-294Bigazzi, G., Guedes, S., Hadler, N.J.C., Iunes, P.J., Odone, M., Osorio, A.M., Paulo, S.R., Zuniga, A., Potentialities and practical limitations of absolute neutron dosimetry using thin films of uranium and thorium applied to the fission track dating (1999) Radiation Meassurements, 31, pp. 651-656Bigazzi, G., Guedes, S., Hadler, N.J.C., Iunes, P.J., Paluo, S.R., Tello, S.C.A., Application of neutron dosymetry by natural uranium and thorium thin flims in fission tracks dating (2000) Book of Extended Abstracts of 9th International Conference on Fission Track Dating and Termocronology, pp. 33-35. , Lorne, AustraliaBurbank, D.W., Anderson, R.S., (2001) Tectonic Geomorphology, p. 274. , Blackwell SciColtrinari, L., (1974) Contribuiçāo à Geomorfologia Da Região Guaratinguetá - Aparecida, p. 156. , Doctoral Thesis, Universidade de Sāo Paulo (Instituto de Geografia), Sāo Paulo (SP)Dantas, E.L., Hackspacher, P.C., Fetter, A.H., Sato, K., Pimentel, M.M., Godoy, A.M., Nd isotope systematics related to Proterozoic evolution of the Central Ribeira Belt in the State of Sāo Paulo, SE Brazil (2000) Revista Brasileira de Geociências, 30, pp. 140-143Gallagher, K., Brown, R.W., Johnson, C.J., Geological applications of fission track analysis (1998) Ann. Rev. Earth Planet. Sci., 26, pp. 519-572Gilchrist, A.R., Summerfield, M.A., Differential denutation and flexural isostasy in formation of rifted - Margin upwarps (1990) Nature, 346, pp. 739-742Green, P.F., Duddy, I.R., Gleadow, A.J.W., Tingate, P.R., Laslett, G.M., Thermal annealing of fission tracks in apatite, 1. A qualitative description (1986) Chem. Geol. (Isotopic Geoscience Section), 59, pp. 237-253Green, P.F., Duddy, I.R., Laslett, G.M., Hegarty, K.A., Gleadow, A.J.W., Lovering, J.F., Thermal annealing of fission track in apatite 4: Qualitative modeling techniques and extension to geological timescales (1989) Chem. Geol. (Isotopic Geoscience Section), 79, pp. 155-162Guedes, S., Hackspacher, P.C., Hadler, N.J.C., Iunes, P.J., Paulo, S.R., Ribeiro, L.F.B., Tello, S.C.A., The Plio - Pleistocene period in the Mantiqueira Mountain Range, SP/MG - Brazil: Apatite fission tracks (AFTA) and tectonic significance (1999) Actas II South American Symposium on Isotope Geology, pp. 306-309. , Cordoba, ArgentinaGuedes, S., Hackspacher, P.C., Hadler, N., Iunes, J.C., Machado Jr., P.J., Paulo, S.R., Ribeiro, L.F.B., Tello, S.C.A., Thermal history by fission track analysis of Serra Negra, Salitre, Catalāo II and Tapira carbonatite complexes, Brazil: Methodological study (1999) Book of Abstracts 1st Latin America Symposium on Nuclear Tracks and Its Applications in Physics, Health, Enviromental Studies and Industry, p. 127. , Universidad Simon Bolivar - Caracas - VenezuelaGuedes, S., Hackspacher, P.C., Hadler, N.J.C., Iunes, P.J., Paulo, S.R., Ribeiro, L.F.B., Tello, S.C., Constraints on the Evolution and thermal history of the Continental Platform of Southeast Brazil, São Paulo State, using Fission Track Analyses (AFTA) (2000) Revista Brasileira de Geociências, 30, pp. 107-109Hackspacher, P.C., Godoy, A.M., Vertical displacement during late-collisional scape tectonics (Brasiliano Orogeny) in Ribeira Belt, Sāo Paulo State, Brazil (1999) J. Afri. Earth Sci., 29, pp. 25-32Hackspacher, P.C., Dantas, E.L., Spoladore, A., Fetter, A.H., Oliveira, M.A.F., Evidence for neoproterozoic backarc basin development in the Central Ribeira Belt, Southeastern Brazil: New geochronological and geochemical constraints from the Sāo Roque - Açungui Groups (2000) Revista Brasileira de Geociências, 30, pp. 110-114Hackspacher, P.C., Fetter, A.H., Dantas, E.L., Hadler Neto, J.C., Ribeiro, L.F.B., Tello Sáenz, C.A., Tectonothermal events of southeastern Brazil: Implications for consolidations of the South American platform (2001) South-American Symposium on Isotope Geology, 3, p. 43. , Pucón/Chile. AnaisHackspacher, P.C., Juliani, C., Fetter, A.H., Dantas, E.L., The evolution of the Central Ribeira Belt, Brazil: Implications for the assembly of west Gondwana (2001) Gondwana Res., 4, pp. 626-627Hackspacher, P.C., Fetter, A.H., Ebert, H.D., Valdecir, A., Janasi, V.A., Dantas, E.L., Oliveira, M.A.F., Braga, I., Magmatismo cálcio-alcalino a ca. 660-640 Ma no Domínio Socorro: Registros de convergência pré-colisional na aglutinaçāo do Gondwana Ocidental (2002) Revista Geologia (Universidade de Sāo Paulo), , in pressHadler, N.J.C., Iunes, P.J., Paluo, S.R., Tello Sáenz, C.A., The study of apatite fission tracks annealing: Experimental measurements of density and lenght in basal and randomly oriented faces (2000) Book of Extend Abstracts of the 9th International Conference on Fission Track Dating and Termochronology, pp. 143-145. , Lorne, AustraliaJanasi, V.A., (1999) Petrogênese de Granitos Crustais Na Nappe de Empurrão Socorro-Guaxupé (SP-MG): Uma Contribuição Da Geoquímica Elemental E Isotópica, p. 304. , Livre Docência Thesis, Universidade de Sāo Paulo. Sāo Paulo-SPJuliani, C., Hackspacher, P.C., Dantas, E.L., Fetter, A.H., The Mesoproterozoic Volcano-Sedimentary Serra do Itaberaba Group of the Central Ribeira Belt, Sāo Paulo State, Brazil: Implications for the age of the overlying Sāo Roque Group (2000) Revista Brasileira de Geociências, 30, pp. 82-86King, L.C., A geomorfologia do Brasil Oriental (1957) Revista Brasileira de Geografia, 18, pp. 147-265Krogh, T.E., A low contamination method for hydrothermal decomposition of zircon and extraction of U and Pb for isotopic age determinations (1973) Geochim. Cosmochim. Acta, 37, pp. 485-494Laslett, G.M., Green, P.F., Duddy, I.R., Gleadow, A.J.W., Thermal annelaing of fission track in apatite 2: A quantitative analysis (1987) Chem. Geol. (Isotopic Geoscience Section), 65, pp. 1-3Light, M.P.R., Maslanyj, M.P., Banks, N.L., New geophysical evidence for extensional tectonics on the divergent margin offshore Namibia (1992) Magmatism and the Causes of Continental Break-up, 68, pp. 257-270. , Stiy, B.C., Alasbater, T. and Pankurst, R.J. (Eds.), Geol. Soc. Spec. PubLutz, T.M., Omar, G., Na inverse method of modeling thermal histories from apatite fission track data (1991) Earth Planet. Sci. Lett., 104, pp. 181-195Moore, M.A., England, P.C., On the inference of denutation rates from cooling ages of minerals (2001) Earth Planetary Sci. Lett., 185, pp. 265-284Nürnberg, D., Müller, R.D., The tectonic evolution of the South Atlantic from late Jurassic to present (1991) Tectonophys., 191, pp. 27-53Park, R.G., Jaroszewzki, W., Craton tectonics and seismicity (1994) Continental Deformation, pp. 200-222. , Hancock, P.L. (Ed.), Oxford: Pergamon PressRaab, M.J., (2001) The Geomorphic Response of the Passive Continental Margin of Northern Namibia to Gondwana Break - Up and Global Scale Tectonics, p. 253. , Doctoral Thesis, Universität zu Göttingen, GöttingenRenne, P.R., Deckart, K., Ernesto, M., Féraud, G., Piccirillo, E.M., Age of the Ponta Grossa dike swarm (Brazil), and implications to Paraná flood volcanism (1996) Earth Planet Sci. Lett., 144, pp. 199-211Ribeiro, L.F.B., (2002) Morfotectônica Da Região Centro Leste Do Estado de São Paulo E Adjacências De Minas Gerais: Termocronologia E Paleotensões, p. 195. , Phd. Thesis Universidade Estadual Paulista, Rio Claro - SPSchobbenhaus, C., Campos, D.A., Derze, G.R., Asmus, H.E., (1981) Mapa Geológico Do Brasil E Da área Oceânica Adjacente Incluindo Depósitos Minerais. 1: 2 500 000, , Departamento Nacional de Produção Mineral, BrasíliaStacey, J.S., Kramers, J.D., Approximation of terrestrial lead isotope evolution by a two-stage model (1975) Earth Planet. Sci. Lett., 26, pp. 207-221Stewart, K., Turner, S., Kelley, S., Hawkesworth, C., Kirstein, Mantovani, M., 3 - D 40Ar/39Ar geochronology in the Paraná continental flood basalt province (1996) Earth Planet. Sci. Lett., 143, pp. 95-109Stüwe, K., White, L., Brown, R., The influence of eroding topography on steady state isotherms.Applications to fission track analysis (1994) Earth Planet. Sci. Lett., 124, pp. 3-74Teixeira, W., Renne, P.R., Bossi, J., Campal, N., D'Agrella Filho, M.S., 40Ar/39Ar and Rb/ Sr geochronology of the Uruguayan dyke swarm, Rio de La Prata Craton, and implications for Proterozoic intraplate activity in western Gondwana (1999) Precambrian Res., 93, pp. 153-180Tello Sáenz, C.A., (1994) Termocronologia de Algumas Regiōes Brasileiras Através Da Análise De Traços De Fissāo Em Apatitas, p. 103. , Master Dissertation. Universidade de Campinas, Campinas- SPTello Sáenz, C.A., (1998) Estudo de Annealing de Traços de Fissão Em Apatitas, Tanto Em Seçōes Basais Quanto Em Seções Sem Orientaçāo Preferencial, Análise Dos Comprimentos Dos Traços De Fissāo, p. 111. , Doctoral Thesis, Universidade de Campinas, Campinas-SPTello Sáenz, C.A., Hackspacher, P.C., Hadler Neto, J.C., Iunes, P.J., Guedes, S., Ribeiro, L.F.B., Paulo, S.R., Recognition of Cretaceous, Paleocene and Neogene tectonic reactivation through apatite fission-track analysis in Precambriam areas of southeast Brazil: association with the opening of the south Atlantic Ocean (2002) J. South Amer. Earth Sci., 15, pp. 765-774Töpfner, C., Brasiliano-Granitoide in den Bundesstaaten Sāo Paulo und Minas Gerais- eine vergleichende Studie (1996) Münchner Geologische Hefte, A17, p. 258Tucker, G.E., Singerland, R.L., Erosional dynamics, flexural isostasy, and long - Lived escarpments: A numerical modeling study (1994) J. Geophys. Res., 99, pp. 12229-12243Turner, S.P., Hawkesworth, C.J., Gallagher, K., Stewart, K., Peate, D., Mantovani, M., Mantle plumes, flood basalts and thermal models for melt generation beneath continents: Assessment of a conductive heating model (1996) J. Geophys. Res., 101, pp. 11503-1151
Kinetic Model For The Relationship Between Mean Diameter Shortening And Age Reduction In Glass Samples
No full textFission tracks in glass samples are shortened when they experience thermal treatment. Consequently, the observable dimensions associated with track length also diminish. The dimension normally used to characterize track size is the mean diameter of the etched track at the surface, D. Another consequence of length shortening is the reduction of surface density, ρ, implying a reduction of the fission-track age. In this work, a kinetic model is developed to describe the relationship between fission-track mean diameter shortening and surface fission-track density reduction in glass samples, based on geometrical and etching hypotheses. The result is a two-parameter equation given byρρ0=DD02(1+1/n)4h2+D024h2+D02(D/D0)224h2-D024h2-D02(D/D0)21/nin which h is the thickness of the layer removed during etching and n is a parameter related to the latent track geometry and etching reaction rate. The equation was compared with experimental data on Australite glass found in the literature and with fresh data on Macusanite glass presented in this work. The model fits the experimental curves quite well, showing that it describes the etching effects correctly (within its limitations). In addition, the model equation derived in this work can be very useful in age correction of partially annealed glass samples. © 2005 Elsevier Ltd. All rights reserved.396647652Balestrieri, M.L., Bigazzi, G., Bouska, V., Labrin, E., Hadler, N., C., J., Kidata, N., Zuniga, A., Potential glass age standards for fission-track dating: An overview (1998) Advances in Fission-Track Geochronology, pp. 287-304. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtCrowley, K.D., Cameron, M., Schaefer, R.L., Experimental studies of annealing of etched fission tracks in fluorapatite (1991) Geochim. Cosmochim. Acta, 55, pp. 1449-1465Fleischer, R.L., Price, P.B., Walker, R.M., (1975) Nuclear Tracks in Solids: Principles and Applications, 605p. , University of California Press, BerkeleyGreen, P.F., Duddy, I.R., Laslett, G.M., Hegarty, K.A., Gleadow, A.J.W., Lovering, J.F., Thermal annealing of fission tracks in apatite 4. Quantitative modelling techniques and extension to geological timescales (1989) Chem. Geol. (Isot. Geosci. Sect.), 79, pp. 155-182Guedes, S., Hadler, J.C., Iunes, P.J., Paulo, S.R., Tello, C.A., On the reproducibility of SSNTD track counting efficiency (1998) Nucl. Instrum. Methods A, 418, pp. 429-433Guedes, S., Hadler, N., C., J., Iunes, P.J., Tello, C.A., Kinetic model for the relationship between confined fission-track length shortening and fission-track age reduction in minerals (2004) Nucl. Instrum. Methods B, 217, pp. 627-636Jonckheere, R., On methodical problems in estimating geological temperature and time from measurements of fission tracks in apatite (2003) Radiat. Meas., 36, pp. 43-55Jonckheere, R., Van Den Haute, P., On the frequency distributions per unity area of the projected and etchable lengths of surface-intersecting fission tracks: Influences of track revelation, observation and measurement (1999) Radiat. Meas., 30, pp. 155-179Ketcham, R.A., Donelick, R.A., Carlson, W.D., Variability of fission-track annealing kinetics: III. Extrapolation to geological time scales (1999) Am. Mineral., 84, pp. 1235-1255Laslett, G.M., Green, P.F., Duddy, I.R., Gleadow, A.J.W., Thermal annealing of fission tracks in apatite. 2. A quantitative analysis (1987) Chem. Geol. (Isot. Geosci. Sect.), 65, pp. 1-13Osório, A.A.M., Iunes, P.J., Bigazzi, G., Hadler, N., C., J., Laurenzi, M.A., Norelli, P., Paulo, S.R., Fission-track dating of Macusanite glasses with plateau and size correction methods (2003) Radiat. Meas., 36, pp. 407-412Sandhu, A.S., Singh, K., Etching and annealing studies of nuclear tracks in glasses (2001) Radiat. Phys. Chem., 61, pp. 579-581Somogyi, G., Szalay, S.A., Track-diameter kinetics in dielectric track detectors (1973) Nucl. Instrum. Methods, 109, pp. 211-232Storzer, D., Wagner, G.A., Correction of thermally lowered fission track ages of tektites (1969) Earth Planet. Sci. Lett., 5, pp. 463-468Wagner, G.A., Van Den Haute, P., Fission-track dating (1992) Solid Earth Sciences Library, 6, 285p. , Kluwer Academic Publishers, Dordrech
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