4,094 research outputs found
Pander Society Newsletter Number 45
No full textWelcome to the 2013 edition of the Pander Society Newsletter, my fourth attempt at providing
news and a list of conodont publications for the past year!
The slowness in producing this newsletter is my fault, I will try to close the next early in 2014.
Conodont research continues to be thriving but there were more than half (143 on 239) nonresponses
to my request for brief reports on research activities.
We have again enjoyed formal and informal meetings of the Society. A definitely informal minimeeting
of the Society was organized in association with the 34th International Geological Congress in
Brisbane on 6 August 2012 during which Stig M. Bergström was awarded with the 2012 ICS Digby
McLaren Award for his contributions to stratigraphy.
The only official Pander Society meeting was one held in Dayton, Ohio, in association with the
Annual Meeting of the North-Central Section of the Geological Society of America in April 2012. A
report on it was published in the previous Newsletter n° 44.
A sad news was the passing of Brian Frederick Glenister on June. He, together with Carl Rexroad
organized the first symposium held by the society in 1968 at Iowa City.
Thank you for sending in your contributions. Thanks also to Suzanna Garcia-Lopez, John
Repetski and Wang Cheng-Yuan for deliberating on nominations for the Society's medals. I am also
very grateful to webmaster Mark Purnell (Leicester) who continues to load the newsletter onto the
web. I am always grateful to Myriam Matteucci and to Claudia Spalletta for helping me get this
newsletter realised. Special thanks go to Myriam for enormous help in stitching together the entire
bibliography and providing the version in EndNote of this year’s entries, now available on the Pander
Society website. Thanks also to John Talent to check “lumpy stuff”.
Best wishes to all of you and brilliant results from your research that I look forward to reporting in
the next newsletter
Pander Society Newsletter 2015
No full textWelcome to the 2015 edition of the Pander Society Newsletter, my sixth attempt at providing news
and a list of conodont publications for the past year!
I apologize for the tardy release of this issue due to several concurrent causes that, I hope, will
be neutralized by the early publication of the 2016 Newsletter.
Our community has suffered profound losses in conodont studies with the passing of great
figures.
Dick Aldridge (whose memorial appeared in the previous newsletter) was Chief Panderer and a
Pander medallist. He had been one of the foremost palaeontologists globally, having been chairman of
the International Palaeontological Association.
Anita Harris, ‘inventor’ of the Colour Alteration Index (CAI), has been one of the brightest
minds in the world of conodonts. Her generosity in sending CAI standards to those who requested one,
allowed the application of her method to the collections of all of us.
Glen Merrill, a renowned specialist mainly on multielement taxonomy of Carboniferous
conodonts, was one of the first to propose that conodont distributions were environmentally
controlled.
We learned only recently about the premature passing of Vladimir Prokopievich Tarabukin in
July 2013. His early studies were on biostratigraphy and Devonian conodonts of eastern Yakutia; his
later studies focused on Ordovician biostratigraphy and conodonts of northeast Asia. His Ordovician
conodonts enabled him to hypothesise reconstructions of the complicated fold systems of the eastern
Siberian Platform.
The year 2014 saw proliferation of research on conodonts in all perspectives of biostratigraphy,
palaeoecology, palaeogeography, ontogeny and taxonomy, the last fruitfully on apparatus
reconstructions and geochemistry, all aired in formal and informal meetings of the Pander Society.
The first formal meeting of the year was the Pander Society Workshop foreshadowed in the
2014 Newsletter, was held in Bologna in February 2014. It was professionally organized by Claudia
(Spalletta) for proposing, inter alia, planning for the next International Conodont Symposium (ICOS-
4) to be held in Valencia, Spain, in 2017. During that event Maria Corriga was awarded a Hinde
medal.
The second formal Pander Society meeting was held in Vancouver, British Columbia (Canada)
in October 2014 in association with the Geological Society of America. The session, sponsored by the
Paleontological Society and the Pander Society and organized by Charles Henderson, focused on
conodonts as stratigraphic and palaeoclimatic tools.
The 4th annual meeting of the IGCP 591, hosted in Estonia in June 2014, was organized jointly
with the Department of Geology of the University of Tartu, the Institute of Geology of the
Tallinn University of Technology, and with support from the Geological Society of Estonia. It
targeted evolutionary palaeoecology and palaeobiogeography. The event brought together a large
number of conodont specialists as did the 2014 Field Workshop of IGCP 591 in Kunming (China) in
August 2014 jointly with ISOS and ISCS, whose formal theme was ‘Global Events and their
relationships in the Early to Middle Paleozoic’.
No dedicated Pander Society meeting was organized during the 4th International
Palaeontological Congress in Mendoza, Argentina, between the end September and early October
2014. Nevertheless much research dealing with conodonts was presented in several sessions.
In Provo, Utah, in the presence of family and friends, David Clark was awarded the Pander
Society medal by Ray Scott. David “was one of the international leaders in modern conodont research
and played an outstanding role as researcher and teacher” as written in one of the letters supporting his
nomination. The ceremony took place on 13 September at David’s home and was given a re-run in the
3
field close to an Ordovician section. I thank Ray Scott for bestowing the Pander medal on my behalf.
Because I could not attend all meetings, I am grateful to each of you who provided information
that I could insert in the newsletter. I thank those who urged partners in work as well as masters and
PhD students to join the Pander Society. I also thank all those who sent changes of addresses and emails
of colleagues.
Thank you for sending in your contributions! Thanks also to Susana Garcia-Lopez, John
Repetski and Wang Cheng-Yuan for deliberating on nominations for the Society's medals.
I am always grateful to Claudia Spalletta and Myriam Matteucci for helping me generate this
newsletter. Special thanks go to Myriam for her enormous help in assembling the entire bibliography
and providing the version in EndNote of this year’s entries. Thanks also to John Talent for cleaning up
my ‘Italish’
Biostratigrafia a conodonti del Famenniano superiore nella sezione di La Serre Trench C, Montagne Noire (Francia)
No full textLa tesi ha avuto come oggetto l'analisi di alcuni campioni provenienti dalla sezione
stratigrafica di La Serre Trench C (Montagne Noire, Francia meridionale), situata nel sud – ovest della Francia, in particolare nella porzione sud –
orientale della catena montuosa delle Montagne Noire, al limite sud del Massiccio Centrale. Scopo del lavoro è quello di tentare di correlare i dati raccolti in
campagna con quelli già presenti in letteratura, al fine di verificare l'applicabilità della biozonazione
proposta da Spalletta et al. (2017), l'analisi permetterà inoltre di individuare la presenza di
eventuale materiale rimaneggiato. Grazie allo studio dei conodonti rinvenuti è stato possibile datare i campioni al Famenniano superiore, in particolare è stato possibile
attribuirli alla biozona Bispathodus ultimus di Spalletta et al. (2017); inoltre è stato verificato che nella sezione di La Serre Trench C non è presente materiale
rimaneggiato di conodonti di tutto il Devoniano Superiore
Pander Society Newsletter
No full textChief Panderer’s Remarks
Welcome to the 2012 edition of the Pander Society Newsletter, my third attempt at providing news and a list of conodont publications for the past year! We have again enjoyed formal and informal meetings of the Society. Please let me know about even the smallest ‘get-togethers’. Also, do send me copies of any relevant documents and photographs for addition to the Archive (historical record) that continues to build up. Conodont research has continued to flourish but there were 88 non-responses to my request for brief reports on research activities. I hope this does not reflect a decline in active membership. All contributions were very welcome, but we would like to have information (even including reminiscences) from those who feel their achievement may have been minimal.
I am aware that we are overwhelmed by increasing teaching commitments, and by pressing demands from other groups to which we belong. But we are also Panderers, and I hope proud to belong to our Society, becoming more active, communicative and ready to exchange information, using Con-nexus, and the Pander Society's mailing list as well as the newsletter. Even a small contribution may help many of the conodont community to be better informed and, above all, united. I am happy to report that Con-nexus seems to have taken on a new life. It is a wonderful medium for airing ideas.
During the many years I have been a member of the Pander Society I have felt that, overall, our membership has been decreasing. There are doubtless many reasons for this. I remain enthusiastic and optimistic and hope you have similar feelings, even when financial support for palaeontological research may be declining. Enthusiasm and a sense of belonging to a group develop when you have the opportunity to meet up with colleagues. Because our average age has been increasing, we especially welcome new recruits. The appeal I sent earlier this year proved fruitful―it resulted in 20 new Pander Society colleagues. I thank those who have urged partners in work, as well as masters and PhD students to join. I also thank all those who sent changes of addresses and e-mails of colleagues I could not contact for a long time, but that I was reluctant to remove from the mailing list. Even such simple collaboration helps keep the group together.
Computer hackers have continued to be very active during the past year and have caused many colleagues to change their e-mail addresses. Please inform me when this occurs.
A major blow to conodontology was the passing of Charles Collinson on 25 November ― see Obituary by Gilbert Klapper. The prospect of an informal meeting of the Society in association with the International Geological Congress in Brisbane on 5–15 August 2012 faded away; there were too few starters. The only official Pander Society meeting was one held in Dayton, Ohio, in association with the Annual Meeting of the North-Central Section of the Geological Society of America in April 2012. Non-official meetings occurred in association with International Subcommissions on Stratigraphy, IGCP 591 and IGCP 596 projects, and the meeting organised in memory of Tim Tozer during the Canadian Paleontology Conference in Vancouver, last August.
Large-scale scientific monographs continue becoming harder to get published; ‘salami’ publication is flourishing. Despite little notice being taken conference abstracts, do not hesitate to send citations for these ephemera for incorporation into our consolidated list of publications.
Thank you for sending in your contributions; it is always a pleasure to interact with anyone enamoured of conodonts! Thanks also to Suzanna Garcia-Lopez, John Repetsky and Wang Cheng-Yuan for deliberating on nominations for the Society's medals. I am also very grateful to webmaster Mark Purnell (Leicester) who volunteered a few years ago to load the newsletter onto the web. I am always grateful to Myriam Matteucci, an old friend from university days and even earlier, and to Claudia Spalletta for helping Myriam and me get this newsletter down the ‘chute. Special thanks go to Myriam for enormous help in stitching together the entire bibliography and providing the version in EndNote of this year’s entries, now available on the Pander Society website. Thanks also to John Talent who ran his eye over the newsletter and, as he says, “eliminated a few lumpy areas”.
I remind you that during ICOS-3 in Argentina in July 2013, where I hope to meet most of you, my term as Chief Panderer will expire. A new Chief Panderer will need to be appointed. Please reply when you are asked for nominations.
Best wishes to all of you and, I hope, brilliant results from your research that I look forward to reporting in my final newsletter!
Maria Cristina Perri, Chief Pandere
Pander Society Newsletter, Number 43
No full textChief Panderer’s Remarks. Welcome to the 2011 edition of the Pander Society Newsletter, my second attempt at providing news and a list of conodont publications that have appeared over the past year! We have again had several formal and informal meetings of the Society. Please let me know about even the smallest ‘get-togethers’. Conodont research has continued to flourish but there were less responses to the mail-out requesting brief reports on research activities. I hope this does not reflect a continuing decline in membership. All contributions were very welcome, but we would like to have information (even including reminiscences) from those who feel that their achievement may have been minimal. The computer hackers have been very active during the past year and have caused many colleagues to change their e-mail addresses; please inform me when this occurs. Also, do send me copies of any relevant documents and photographs for addition to the Archive (historical record) that has been building up during the reigns of my predecessors occupying the ‘chair’ of Chief Panderer. A major blow to conodontology was the passing of Otto Walliser on 30 December. Otto defined the direction for Silurian conodontology with his monumental memoir on the Silurian conodonts of the Carnic Alps in Austria!see Obituary and posthumous presentation of the Pander Society Medal to Otto’s son Thomas in Marburg on 7 May. It was followed by a conodont-flavoured excursion to the Devonian and Mississippian in the vicinity of Marburg. Other losses were Peter Molloy, a stalwart of the Australian Pander Society sub-group, Sándor Kovács (Hungary) and Graeme Philip (Australia). A memorial field meeting and formal conference session was held in Ufa and Novosibirsk in memory of Yevgeny Aleksandrovich (‘Zhenya’) Yolkin who passed away in 2009. It was a fitting tribute to Zhenya who, with enormous energy over 30 years, had developed conodont investigations at the Soviet (now Russian) Academy of Science in Novosibirsk. He introduced modern techniques for chemical extraction of conodonts and other biostratigraphically important pelagic micro-fossil groups, including radiolarians and chitinozoans. The pre- and postconference excursions had a strong conodont focus, the former on the southern Urals where conodont colleagues from Ufa have achieved marvels from conodonts preserved as moulds in cherts at thousands of localities. I would love to have been able to be there to savour what they have achieved. The post-conference excursion focused on the Devonian of the Kuznetsk Basin to whose conodont biostratigraphy Zhenya had devoted much of his life. The only official, widely advertised, Pander Society Meeting was one held in Pittsburgh, Pennsylvania, in association with the NE-NC meeting of the Geological Society of America on 20 March 2011, although a meeting (a subset of a meeting of the German Palaeontological Society) for posthumously delivering to Thomas Walliser the society’s gold medal presented to his father, Otto Walliser, was effectively a second meeting of the Society. There will surely be an informal meeting or meetings (informality is our forte!) of the Pander Society in association with the International Geological Congress in Brisbane, Australia, on 5–15 August 2012. One focus, inevitably, will be on solving geological problems using conodonts. My view, possibly a biased one, is that no fossil group has contributed more to illuminating (if not in fact solving) major problems in the earth sciences, not just biostratigraphy and stratigraphic alignments, but grand-scale tectonics and regional thermal annealing. Incidentally, major scientific monographs seem to be much harder to get published these days, but are far more important than what someone once described as ‘salami’ publications. The latter tend to be lost in the avalanche of scientific publications, as do most excursion guidebooks (many of these involve a vast amount of work) and items in the cloudburst of conference abstracts, especially when they do not lead to substantial contributions to our (or anyone else’s) science, or when, in haste to submit conference abstracts, ideas change substantially even dramatically from conference to conference. Do not hesitate to send citations for all such ephemera for incorporation into our consolidated list of publications, no matter how seemingly inconsequental, so that some account might be taken of them. Incidentally, there seems to have been a fall-off in comments to Con-nexus. Do keep them rolling in! It has been a wonderful medium for airing ideas. Thank you all for sending in your contributions. It is always a pleasure to interact with anyone who is enamoured of conodonts! Thanks go as well to Suzanna Garcia-Lopez, John Repetsky and Wang Cheng-Yuan for deliberating on nominations for the Society's Pander and Hinde medals. I am also very grateful to our webmaster Mark Purnell (Leicester) for making this newsletter available on the web. I am always grateful to Myriam Matteucci, an old friend from university days and even earlier, and to Claudia Spalletta for helping Myriam and me get this newsletter down the ‘chute. A special thank-you goes to Myriam for enormous help in stitching together the entire bibliography and providing the version in EndNote of entries for 2010 and 2011, now available on the Pander Society website. Thanks also to John Talent who ran his eye over the newsletter and, as he says, “eliminated a few lumpy areas”
Biostratigrafia e paleobiogeografia dei conodonti nel Devoniano-Carbonifero e nel Permiano Superiore-Triassico Inferiore
No full textAnalisi sedimentologiche, paleontologiche e geochimiche di estremo dettaglio saranno eseguite su sezioni stratigrafiche delle Alpi Meridionali per la realizzazione di un esauriente e affidabile database inerente i limiti Frasniano-Famenniano (Fr-Fm), Famenniano-Tournaisiano (Fm-Trn) e Permiano-Triassico (P-T). Le estinzioni al tetto del Fr e a quello del P sono considerate due dei "Cinque Grandi" eventi di estinzione globale del Fanerozoico.
Proseguiranno studi su sezioni in Alpi Carniche per esaminare le variazioni faunistiche e ambientali verificatesi in corrispondenza delle crisi biologiche del Devoniano Superiore, rispettivamente alla fine del Fr (Lower e Upper Kellwasser Events) e del Fm (Hangenberg Event). Entrambi sono spesso caratterizzati dalla deposizione di shales neri, interpretati come testimonianza di episodi anossici o disossici, verificatisi in seguito a rapide variazioni eustatiche o al cambiamento di altri parametri oceanici quali la temperatura e la direzione delle correnti.
L'evento di estinzione al tetto del Permiano e il successivo recupero faunistico e floristico verrà studiato su alcune sezioni delle Alpi con particolare riguardo a quella di Bulla, Ortisei (BZ), in quanto è stata dichiarata una delle 10 sezioni di maggiore interesse a livello mondiale per il limite P-T dal gruppo di ricerca CHRONOS (responsabile per il limite P-T: Bruce Wardlaw, U.S. Geological Service, Reston). I dati paleontologici, finora basati quasi esclusivamente sui conodonti, saranno integrati da quelli di altri gruppi fossili ed associati ai dati sedimentologici e isotopici. Lo studio delle associazioni a conodonti consente anche di mettere in rilievo variazioni del livello marino e variazioni geografiche correlate principalmente alla temperatura e quindi, verosimilmente, alle paleolatitudini. La paleogeografia delle aree circum-mediterranee pertinenti al margine nord-gondwaniano durante il Devoniano e Carbonifero è ancora ben lontana dall'essere chiarita per mancanza di dati paleomagnetici. I conodonti, come altri gruppi fossili, possono in questo caso rivelarsi un aiuto fondamentale per la definizione di affinità paleobiogeografiche. Si ritiene comunemente che il Devoniano Superiore sia stato per i conodonti un periodo di esteso cosmopolitismo. In realtà studi accurati, che vorremmo intraprendere, potrebbero dimostrare che alcune aree sono state caratterizzate dalla presenza di specie e/o generi assenti in altre, ciò potrebbe dipendere sia dalla differenza di profondità che dalla diversità di temperatura, correlata in larga parte alla latitudine.
Nel Permiano Superiore-Triassico Inferiore il quadro paleogeografico-paleotettonico è complicato dalla presenza, all'interno della Paleotetide, di blocchi crostali (es. Cina) sui quali i dati paleomagnetici sono incerti. Gli affioramenti presenti in Alpi Meridionali vengono ubicati ad una paleolatitudine circa equatoriale e rappresentano il margine più occidentale della Paleotetide nella quale si ritiene fossero presenti correnti marine tali da permettere un esteso cosmopolitismo delle associazioni faunistiche e floristiche. Uno dei fattori di differenziazione è la temperatura aumentata considerevolmente al limite P-T . Il confronto tra le faune delle Alpi Meridionali con quelle delle aree più orientali della Paleotetide, quali la Cina centro-orientale, per verificare possibili diversificazioni legate a temperature differenti a causa di paleolatitudini diverse, potrebbe fornire nuovi dati.
Tra gli studi geochimici in corso proseguiranno quelli sulla transizione da diagenesi a metamorfismo di basso grado ricavati dall'analisi delle variazioni degli indici di Kuebler (KI) e di Arkai (AI) e delle associazioni dei minerali argillosi per le rocce pelitiche e delle variazioni dei valori dell'Indice del Colore di Alterazione (CAI) per lerocce carbonatiche.
Obbiettivo principale
Realizzazione di un database ottenuto da analisi sedimentologiche, geochimiche, paleontologiche e paleob..
Schizophrenia and bipolar disorder: The road from similarities and clinical heterogeneity to neurobiological types
No full textAlthough diagnosis is a central issue in medical care, in psychiatry its value is still controversial. The function of diagnosis is to indicate treatments and to help clinicians take better care of patients. The fundamental role of diagnosis is to predict outcome and prognosis. To date serious concern persists regarding the clinical utility and predictive validity of the diagnosis system in psychiatry, which is at the most syndromal. Schizophrenia and bipolar disorder, which nosologists consider two distinct disorders, are the most discussed psychiatric illnesses. Recent findings in different fields of psychiatric research, such as neuroimaging, neuropathology, neuroimmunology, neuropsychology and genetics, have led to other conceptualizations. Individuals with schizophrenia or bipolar disorder vary greatly with regard to symptoms, illness course, treatment response, cognitive and functional impairment and biological correlates. In fact, it is possible to find heterogeneous correlates even within the same syndrome, i.e., from one stage of the disorder to another. Thus, it is possible to identify different subsyndromes, which share some clinical and neurobiological characteristics. The main goal of modern psychiatry is to ovethrow these barriers and to obtain a better understanding of the biological profiles underlying heterogeneous clinical features and thus reduce the variance and lead to a homogeneous definition. The translational research model, which connects the basic neuroscience research field with clinical experience in psychiatry, aims to investigate different neurobiological features of syndromes and of the shared neurobiological features between two syndromes. In fact, this approach should help us to better understand the neurobiological pathways underlying clinical entities, and even to distinguish different, more homogeneous, diagnostic subtypes
International Conference on Vertebrate Palaeobiogeography, and continental bridges across Tethys, Mesogea, and Mediterranean Sea. Abstracts Book.
No full textDimon Formation
No full textThe Dimon Formation can be subdivided into three main lithofacies: a: Gray to greenish arenite and shale (terrigenous-volcaniclastic material); b: Red and green slate (fine pyroclastite); c: Diabase, pillow lava, hyaloclastite (volcanic and sub-volcanic rocks) (Gortani, 1906; Azzini, 1939)
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