29,106 research outputs found

    Did the giant Broken Hill (Australia) Zn-Pb-Ag deposit melt?

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    Paul G. Spry, Ian R. Plimer and Graham S. Tealehttp://www.elsevier.com/wps/find/journaldescription.cws_home/503354/description#descriptio

    Conversations with Paul Auster

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    Interviews with the author of The New York Trilogy, In the Country of Last Things, and The Brooklyn Follies.Cover -- Contents -- Introduction -- Chronology -- Translation -- Interview with Paul Auster -- An Interview with Paul Auster -- Memory's Escape-Inventing the Music of Chance: A Conversation with Paul Auster -- The Making of Smoke -- The Manuscript in the Book: A Conversation -- An Interview with Paul Auster -- The Futurist Radio Hour: An Interview with Paul Auster -- Paul Auster: Writer and Director -- Off the Page: Paul Auster -- Paul Auster: The Art of Fiction -- Jonathan Lethem Talks with Paul Auster -- A Conversation with Paul Auster -- The Making of The Inner Life of Martin Frost -- Interview: Paul Auster -- A Connoisseur of Clouds, a Meteorologist of Whims: The Rumpus Interview with Paul Auster -- Interview: Paul Auster on His New Novel, Invisible -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Y -- ZInterviews with the author of The New York Trilogy, In the Country of Last Things, and The Brooklyn Follies.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries

    Portrait of Paul Ham at the National Library of Australia, 15 November 2011 /

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    Title from nformation supplied by photographer.; Part of the collection: Podcast photograph of author Paul Ham at the National Library of Australia, 15 November 2011.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia

    GOLD-BISMUTH-TELLURIDE-SULFIDE ASSEMBLAGES AT THE STANOS SHEAR ZONE-RELATED PROSPECT, CHALKIDIKI, NORTHERN GREECE

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    Cu-Au mineralization in the Stanos area occurs in regional NE-SW trending shear zones within the crystalline Servomacedonian Massif on the Chalkidiki Peninsula, northern Greece. Orebodies are generally located along the contact between orthogneisses of Silurian age of the Vertiskos terrane and marbles and garnet-graphite schists of the Svoula series. These lithologies were intruded by the Triassic Arnea granitoid, which occurs about 3 km southwest of the sulfide mineralization. In this study we report new mineralogical data from three sites along the major mineralized shear zones that include the ancient Cu-Au mines of Paliomylos, Chalkoma, and Karambogia. The Stanos copper-gold mineralization is structurally-controlled and restricted to high-strain shear zones within gneisses that developed late during regional ductile shearing. This deformation event was related to southwestward overthrusting of the Vertiskos unit onto the Svoula lithologies at upper-greenschist to lower-amphibolite facies conditions. The mineralized shear zones are either planar or lensoid, with abrupt transitions to unaltered gneiss, and have a thickness of tens of centimeters across the few meters of lateral exposure. Their internal structure is heterogeneous with moderate- to high-strain bands where the foliation shows a sigmoidal trajectory appearing as S-C′ structures or discontinuity planes. Within the shear zones, the alteration assemblages typically include biotite and muscovite, quartz, ±chlorite, ±siderite and rarely apatite, monazite, xenotime, and zircon. Detailed textural studies of the ore assemblages revealed two stages of hydrothermal mineralization during shearing. Iron-bearing sulfides (pyrite, arsenopyrite and pyrrhotite) were introduced and followed by a copper-bearing association that included chalcopyrite with minor galena, sphalerite, molybdenite and Bi-Au-Te minerals. Ore minerals form disseminated to massive aggregates along foliation planes, asymmetric crenulation cleavages and S-C′ fabrics. In places, they surround or form the strain shadows of s-shaped quartz porphyroblasts indicating synkinematic deposition. The Au-Bi-Te association consists mainly of Bi sulfosalts (bismuthinite derivatives, lillianite homologues, matildite, ikunolite), native elements (bismuth, gold-silver alloy), and bismuth sulfotellurides (joseite-A, joseite-B and telluronevskite). Most of these minerals exist in two-, three-and more rarely four-component blebs or patches often with curvilinear boundaries, mostly disseminated within chalcopyrite. Phase relations in the system Au-Bi-Te suggest the following paragenetic sequence: bismuthinite derivatives + ikunolite → lillianite homologues + matildite + gold-silver alloy + bismuth sulfotellurides → native bismuth + galena → molybdenite + chalcopyrite. The bismuthinite derivatives are mainly bismuthinite (including cuprian members), gladite-krupkaite, hammarite and aikinite (Fig. 1a). Ikunolite is Se-free corresponding to the formula Bi4S3 and is reported here for the first time in Greece. Gold-silver alloy (up to 38.1 wt. % Ag) appears either as 100-micron grains disseminated in chalcopyrite or as rounded droplets coexisting with blebs of Bi-minerals. Matildite with almost ideal composition, lillianite homologues representing members of the lillianite-gustavite solid solutions series, higher order homologues (N=6, N=7), as well as vikingite are the major Ag carrier in the ores (Fig. 1b). The bismuth sulfotellurides joseite-A, joseite-B and telluronevskite (grains up to 10μm) of the joseite- and tsumoite isoseries, respectively, according to the definition of Cook et al. (2007), are closely associated with lillianite homologues (Fig. 2). Native bismuth in symplectitic intergrowths with galena (probably decomposition products of galenobismuthite), rims bismuthinite derivatives and lillianite homologues and probably represents the last Bi-bearing hydrothermal pulse of the system. Molybdenite is Re-free and typical of metamorphic molybdenites. The observed association suggests an evolution of the system towards more reducing conditions and that precious metals may have been scavenged by composite Bi-Te-Pb-S melts in a manner proposed by Ciobanu et al. (2005). The Stanos shear zone-related system shares many characteristics in common with orogenic gold systems; however its accurate classification is a subject of further investigation

    Author, Dr. Paul Wehr. c. 1980

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    Dr. Paul Wehr, as he appeared c. 1980. Dr. Wehr was a professor of history at UCF and the author of Like a Mustard Seed: the Slavia Settlement (1982 - Mickler Publishing House), a history of the early years of Slavia and St. Luke\u27s history.https://stars.library.ucf.edu/cfm-images/1413/thumbnail.jp

    Michael Rodriguez interviews author Paul Clemens

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    Author Paul Clemens talks about his book "Made in Detroit," the genre of memoir, and writing about race. Clemens is interviewed by Michigan State University Librarian Michael Rodriguez for the MSU Libraries' Michigan Writers Series. Held in the MSU Main Library

    The British ‘Bluesman’ Paul Oliver and the Nature of Transatlantic Blues Scholarship

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    Recent revisionist studies have argued that much of what is known about music known as the blues’ has been 'invented' by the writing of enthusiasts far removed from the African American culture that created the music. Elijah Wald and Marybeth Hamilton in particular have attempted to sift through the clouds of romanticism, and tried to unveil more empirical histories that were previously obscured by the fallacious genre distinctions conjured up during the 1960s blues revival. While this revisionist scholarship has shed light on some previously ignored historical facts, writers have tended to concentrate on the romanticism of blues writing strictly from an American perspective, failing to acknowledge the genesis and influence of transatlantic scholarship, and therefore ignoring the work of the most prolific and influential blues scholar of the twentieth century, British writer Paul Oliver. By examining the core of Oliver’s research and writing during the 1950s and 1960s, this study aims to place Oliver in his rightful place at the centre of blues historiography. His scholarship allows a more detailed appreciation of the manner in which the blues was studied, through lyrics, recordings, oral histories, photography and African American literature. These historical sources were interpreted in accordance with the author’s attitudes to the commercial popular music, which allowed the ‘reconstruction’ of an African American ‘folk’ culture in which the blues became the antithesis of pop. Importantly, this study seeks to transcend dominant discourses of national cultural ownership or ethnocentrism, and demonstrate that representations of African American music and culture were constructed within a transatlantic context. The blues is music with roots in the African American experience within the United States; however, as Paul Oliver’s writing shows, its reception and representation were not limited by the same national, cultural or racial boundaries

    [Memo by Paul Tsuneishi, January 19, 1998]

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    A memo by Paul Tsuneishi offering both humorous and apparently serious explanations of the work of that Friends of Michi (FOM) is doing.These materials are from box 73 and 74 of the Frank Chin Papers. The Frank Chin Papers contain personal and professional correspondence between Frank Chin and Michi Weglyn relating to particular projects on which either author was working as well as files related to the Day of Remembrance Tribute to Michi Weglyn

    Understanding gold-(silver)-telluride-(selenide) mineral deposits

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    Gold-(silver)-telluride (selenide) ores occur as epithermal orogenic and intrusion related deposits. Although Te and Se are chalcophile elements and share geochemical affinity with Au, formation of selenides and other elements Ag-Au require acidic or reducing enfironments. The thermodynamic stability conditions for Au and Ag-tellurides and native tellurium indicate an epithermal environment. Analysis of mineral paragenensis, textures and compositional variation in tellurides/selenides suggest petrogenetic processes involving interaction with fluids leading to Au scavenging and entrapment in tellurides, changes in chemistry/rates of fluid infiltration and attaining equilibrium in a given assemblage.Nigel J. Cook, Cristiana L. Ciobanu, Paul G. Spry, Panagiotis Voudouris and the participants of IGCP-48

    Jersey Homesteads -- A Triple Co-operative

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    Chapter 11, pages 256-276, of Title: "Tomorrow a new world: the New Deal communuity program." Publisher: Ithaca, NY, Published for the American Historical Association (by) Cornell University Press, 1959. Author; Conkin, Paul Keith
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