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Carnets de Géologie
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Highlights

 

STRATI2010

Carnets and its team are partners of the 4th "French" Congress on Stratigraphy (the international scope of the event is in complete contrast to the national epithet).

STRATI2010

The site http://paleopolis.rediris.es/STRATI2010/ is regularly updated and gives you a preview of the meeting with its 24 proposed sessions. Other scientific associations involved include AGBP, AGPT, CFS, GÉC, GFÉJ, GFC, GFP, and SGF. Among official sponsors are UMPC, BRGM, TOTAL, Schlumberger-Petrel-Petromod, iSTeP, LSCE-CEA, ... and others.

NEW Online Submission System

Carnets launched its online manuscript submission system. This program provides each contributor (author, reviewer, editor) a secure environment for contact information, submittal and correspondence.

Reedition of a "novel of contemporary morality"

It is a novel by Herbert Wild, the pen name of Jacques Deprat, titled "Les chiens aboient... [The dogs bark...]" [Note: it is available in a French version only!]. Michel Durand Delga has added explanatory notes about Deprat's situation (fall from grace).  Edited by Jean M. Ollivier and Bruno Granier, the HTML electronic version is available free of charge.

The paper-printed version, a pocket book (378 p.), is available since September 14th for 10 € only (shipping included) with the PayPal button below.

Alternatively you can send a check of the same amount (drawn in € from a French bank) and your information (including the delivery address) to Jean M. Ollivier, Quartier Lassabaigt, F-64150 Lahourcade (France).

Table of Contents

 

Book 2 [2010] : Short Treatise on Foraminiferology (Essential on modern and fossil Foraminifera), by Jean-Pierre BELLIER, Robert MATHIEU & Bruno GRANIER.-
Format [HTML] ou [PDF 7,724 KB]
Reference : [CG2010_BOOK_02]
Lang.:  

Dépôt légal:
ISBN13: 978-2-916733-07-4

 Foreword:  After some forty years in the academic world and before abandoning a position as an employee of the State educational system to enter the new world of "pensioners", it seemed worthwhile to the first author (J.-P.B.) of this brief discussion to compile a short document that presents a synopsis of the knowledge acquired, taught and put to use for more than four decades. This fascicle reviews only the foraminifers, which, along with calcareous nannofossils, are the fundamental tools of modern biostratigraphy, used for worldwide oceanographic studies and for the correlation of oil wells. It deals essentially with the small foraminifers, that is those of modest size without a complex internal architecture. These include the planktonic foraminifers of which the rapid evolution and great dispersion permit the establishment of reliable biochronologic scales of reference.
This short course is intended for students preparing for the CAPES (Certificat d'aptitude au professorat de l'enseignement du second degré = Certificate of Aptitude for a Professorship of Instruction in the Second Grade), for students working toward the Aggregation in Natural Sciences in pursuit of a scientific career in the universities or in the CNRS (Centre National de la Recherche Scientifique = National Centre for Scientific Research), and for students who hope to work in the oil industry where a specialization in the field of micropaleontology is considered useful and is still valued. It will also interest amateur naturalists and that portion of the general public attracted by the beauties of the microscopic world, now living, or extinct and represented only by fossils.

Online since July 1, 2010


Special Publication 1 [2010]: An atlas of calcareous algae. Carboniferous algae of the Arctic Alaska, by Bernard MAMET & Alain PRÉAT.-
Format [HTML] or [PDF 6,048 KB]
Reference: [CG2010_SP01] or [CG2010_BOOK_01]
Lang. : 

Dépôt légal: 
ISBN13: 978-2-916733-08-1

 Abstract:  An atlas illustrating 54 genera of marine algae and some microproblematica. They are observed in the field and in boreholes of the Lisburne Group throughout the Alaskan Arctic Cordillera (Brooks Range).

Online since July 1, 2010


Article 3 [2010]: Bucurella, a new genus of the Thyrsoporelleae (fossil Dasycladalean algae), by Bruno GRANIER.-
Format [HTML] or [PDF 2,462 KB]
Reference: [CG2010_A03]
Lang.: 

 Abstract:   A new genus, Bucurella, is described and figured; it is based on Macroporella espichelensis Deloffre et Ramalho, 1971, a taxon known only from the Late Jurassic. It is characterized by the presence of distinctive whorls, each with three thick and broad (fertile) ramifications. The lateral division formula is 1 F: 3 F: (3x2) F: (3x2x2) F = (1: 3: 6: 12); that is the primary ramification divides into three secondaries which in turn branch dichotomously into tertiaries and again into quaternaries. It and its descendant, Zergabriella, are assigned to the Tribe Thyrsoporelleae.

Online since May 31, 2010


Article 2 [2010]: Traces of explosive volcanism in the Pyrenean Campanian around the Campanian-Maastrichtian boundary type section at Tercis (SW France, N Spain). Biostratigraphy with emphasis on the foraminifer Radotruncana calcarata, by Gilles Serge ODIN.-
Format [HTML] or [PDF 6,809 KB]
Reference: [CG2010_A02]
Lang.: 

 Abstract:   Pyroclastic material including idiomorphic crystals of sanidine, biotite, and apatite, first identified in the type section at Tercis are contemporaneous with the Radotruncana calcarata (planktonic foraminifer) total range zone. A search was undertaken to define the palaeogeographical extent and to determine the importance of these remains of a previously unknown Campanian regional alkaline volcanic episode. A preliminary biostratigraphical search was carried out in the Tercis area and in the western Pyrenees followed by detailed micropalaeontological studies in southwestern France and northern Spain. The findings from five upper Campanian platform and flysch facies are reported in detail and deductions from three others are summarized. First, The microfaunal count of the boundary stratotype at Tercis has been increased by the use of acetolytic techniques to disaggregate indurated carbonates. So isolated tests of some key biostratigraphic markers are documented for the first time. The paucity in specimens of Radotruncana calcarata previously seen in thin sections from the type outcrop is not due to a scarcity of this particular taxon but to a general dearth of globotruncanids in the platform facies deposits of the Aturian Basin. The study shows that acetolysis multiplies the power of investigation of indurated limestones. Thus, the abundance and diversity of microproblematica discovered and studied in the stratotype section since 2006 has been confirmed and two new forms of incertae sedis are reported, one of which is called here Velafer ovatus. Today, 70 species of microproblematica are recognized at Tercis. These microproblematica allow a chronologic calibration of the deposits like or even more precise than those obtainable using ammonites or planktonic foraminifers. Sections sampled in the western Pyrenean flysch facies include the stratigraphic interval comprising the total range zone of Rd. calcarata for which we suggest here a duration of 0.80 ±0.05 Ma. No microproblematica were found in these deep detrital facies. 

All sections reaching the Campanian-Maastrichtian boundary contain a Contusotruncana (foraminifer) of which the morphology, illustrated anew from 3 discrete sections, is consistent with that of the specimens identified at this level in the Tercis type-section; they were called C. contusa or C. contusa?/C. patelliformis? These micropalaeontological studies substantiate the choice of Tercis as the best section in the world for location of the stratotype of the Campanian-Maastrichtian stage boundary; they show again its striking regional and global correlative power thanks to the unique diversity of its biological record of the late Cretaceous. In addition, it justifies the choice of a boundary level selected using the near-coincidence of a variety of key events bracketting a guide-event; 12 were clustered around the mid-level 115.2 of the type section where the GSSP of the Campanian-Maastrichtian boundary has been recognized internationally. Consequently, the selected level does not depend on a unique "magic marker" with its inherent uncertainty caused by difficulty in identification and scarcity locally and in other localities and environments. This may well be the case for the guide-ammonite Pachydiscus neubergicus as commonly used as a marker of the Campanian-Maastrichtian boundary.

The biostratigraphical study precisely locates the pyroclastic material observed at Tercis as within the range of Rd. calcarata, immediately above the last occurrence of Tubellus hunzikeri, the first occurrences of Lucernellus aubouini and Aquilegiella varia, 3 microproblematica of which the distribution is well documented at Tercis. Previously reported evidences of volcanism at Tercis: the presence of kaolinite in the clay size fraction and of microcrystals of sanidine, biotite, zircon, apatite are supplemented here by the discovery of slightly calcic and sodic siliceous spherules with traces of magnesium, aluminum and potassium. Kaolinite and sanidine have also been found in contemporaneous levels at Peyrata, in the vicinity of the type section. Farther away in the flysch facies, the contemporaneous deposits contain pyroclastic biotite mica flakes, idiomorphic zircon crystals and, more rarely, apatite crystals of which the morphology is consistent with a volcanic origin. The presence of traces of a volcanic episode in Campanian levels representing about 1 Ma of deposition are thus confirmed but in the Pyrenees no information is available concerning the site of its origin. In fact, the explanations for the presence of the pyroclastic material involves two possibilities: either there was Campanian alkaline volcanic activity in the Pyrenees similar to that associated with subduction (which has not been identified and is not consistent with the accepted geodynamical model of the area) or the pyroclastic material comes from North America, distant some 5000 km. Such long distance transport would involve an west-east eolian conveyance of mm sized volcanic elements for 1 Ma (a hypothesis to our knowledge undocumented).

Online since May 31, 2010


Letter 2 [2010]: Hadrosaur remains in the Late Cretaceous marine sediments of Larcan (Petites Pyrenees, Haute-Garonne, France), by Michel BILOTTE, Yves LAURENT & Dominique TÉODORI.-
Format [HTML] or [PDF 1,166 KB]
Reference: [CG2010_L02]
Lang.:  

 Abstract:  The discovery of two hadrosaur fragments (maxilla and quadrate) in marine sediments of the end of the Cretaceous (uppermost Maastrichtian) is reported. Although this type of taphocoenosis is not exceptional for continental organisms, its situation at approximately 1 m under the iridium zone of the K/T boundary deserves to be emphasized.

Online since May 31, 2010


Article 7 [2008] - an extra video: Holostratigraphy of the Kahmah regional Series in Oman, Qatar, and the United Arab Emirates, by Bruno GRANIER.-
The video of Fig. 18 revisited


Click on image to play the video file (flv = 5,029 KB)

Online since May 22, 2010


Article 1 [2010]: Problems in the identity of "Crioceras" barremense Kilian, 1895 (Ancyloceratida, Late Barremian), and their proposed resolution, by Didier BERT, Robert BUSNARDO, Gérard DELANOY & Stéphane BERSAC.-
Format [HTML] or [PDF 1,983 KB]
Reference: [CG2010_A01]
Lang.: 

 Abstract:  The study of "Crioceras" barremense Kilian was undertaken as a part of the revision of the Hemihoplitidae. This species was considered "classic" and has been used as the index of an Upper Barremian subzone; this usage raises a number of problems. The type specimen from Tyrol was a fragment described and illustrated by Uhlig as Crioceras sp. ind. aff. roemeri. This specimen could not be retrieved, and a topotype could not be collected. Our study revealed that there is both a biostratigraphic hiatus and important differences between conceptions of this species: (1) that ascribed Uhlig's type specimen (Upper Barremian, Tyrol), (2) Kilian's concept of the specimen he found and named "Crioceras" barremense (probably a Camereiceras from the uppermost levels of the Vandenheckei Subzone or from the basal Sartousiana subzone of the Nauvin site, southeastern France) and (3) current interpretations of authors, who often synonymize the type specimen with Gassendiceras alpinum (d'Orbigny), which occurs in the middle of the Vandenheckei Subzone. So there is a real confusion concerning the synonymy of "Crioceras" barremense. The age of Uhlig's type specimen is too imprecise and its preservation too fragmentary to be reliably identifiable, because the same morphology and ornamentation exist in several species of other genera. Therefore, we recommend the use of the species "Crioceras" barremense Kilian be avoided, in particular as an index, along with that of the genus Barrancyloceras Vermeulen for which "C." barremense is used as reference. Some species formerly assigned to this genus have been referred to the genus Gassendiceras Bert et alii. Consequently, we also recommend the Barremense auctorum Subzone be renamed the Alpinum Subzone (new) [index-species: Gassendiceras alpinum (d'Orbigny)], without changing its limits as currently defined. The lower limit of this subzone is indicated by the first occurrence of Gassendiceras alpinum (a new biohorizon, introduced here), a common, easily identifiable species with a well-defined stratigraphic range.

Online since April 4, 2010


Letter 1 [2010]: A pterosaur from the Toarcian (Early Jurassic) of the Ardennes (north-eastern France), by Eric BUFFETAUT, Bernard GIBOUT & Danielle DROUIN.-
Format [HTML] or [PDF 735 KB]
Reference: [CG2010_L01]
Lang.:  

 Abstract:  A pterosaur tibia-fibula is described from Toarcian shales ("Marne de Flize") near the city of Charleville-Mézières (Ardennes, northeastern France). The morphology of this element, especially the reduced fibula partially fused to the tibia, suggests that it belongs to the rhamphorhynchid Dorygnathus, which is well represented in the Toarcian Posidonienschiefer of Germany and has also been reported from the Toarcian of Nancy (eastern France).

Online since February 15, 2010


e-Books

 

Book 3 [2009]: PaleoParks - The protection and conservation of fossil sites worldwide, by Jere H. LIPPS & Bruno R.C. GRANIER (special editors).- Reference: [CG2009_BOOK_03]

Dépôt légal: 
ISBN13: 978-2-916733-06-7

 List of Contents:  

   • Cover page
Format [HTML] or [PDF 422 KB]
Lang. : 

   • Chapter 1. PaleoParks: Our paleontological heritage protected and conserved in the field worldwide, by Jere H. Lipps 
Format [HTML] or [PDF 1,013 KB]
Lang. : 

   • Chapter 2. The Triassic Guanling fossil Group - A key GeoPark from Barren Mountain, Guizhou Province, China, by Xiaofeng Wang, Xiaohong Chen, Chuanshang Wang & Long Cheng
Format [HTML] or [PDF 5,376 KB]
Lang. : 

   • Chapter 3. The GeoPark of Haute-Provence, France - Geology and palaeontology protected for sustainable development, by Jean-Simon Pagès
[HTML] or [PDF 2,478 KB]
Lang. : 

   • Chapter 4. The protection and use of the geological and paleontological heritage in Baja California Sur, Mexico, by Javier Gaitán Morán & Alejandro Álvarez Arellano
[HTML] or [PDF 391 KB]
Lang. : 
   • Capítulo 4. El resguardo y aprovechamiento del patrimonio geológico y paleontológico en Baja California Sur, México, por Javier Gaitán Morán & Alejandro Álvarez Arellano
[HTML] o [PDF 391 KB]
Lang.: 

   • Chapter 5. Protecting fossil sites in New Zealand, by Bruce W. Hayward
[HTML] or [PDF 548 KB]
Lang. : 

   • Chapter 6. The Salt Range: Pakistan's unique field museum of geology and paleontology, by Shahid Jamil Sameeni
[HTML] or [PDF 1,454 KB]
Lang. : 

   •  Chapter 7. Paleontological parks and museums and prominent fossil sites in Thailand and their importance in the conservation of fossils, by Nareerat Boonchai, Paul J. Grote & Pratueng Jintasakul
[HTML] or [PDF 7,448 KB]
Lang. : 

   • Chapter 8. Managing fossil resources at the Falls of the Ohio, Indiana and Kentucky, USA: A fossil park in an urban setting, by Alan Goldstein
[HTML] or [PDF 259 KB]
Lang. : 

   • Chapter 9. Paleo-piracy endangers Vendian (Ediacaran) fossils in the White Sea - Arkhangelsk region of Russia, by Mikhail A. Fedonkin, Andrey Yu. Ivantsov, Maxim V. Leonov, Jere H. Lipps, Ekaterina A. Serezhnikova, Eugeniy I. Malyutin & Yuriy V. Khan
[HTML] or [PDF 2,686 KB]
Lang. : 

   • Chapter 10. Copper Canyon track locality (Pliocene) conservation strategies, Death Valley National Park, USA, by Torrey Nyborg
[HTML] or [PDF 2,220 KB]
Lang. : 

   • Chapter 11. A possible Late Miocene fossil forest PaleoPark in Hungary, by Géza Császár, Miklós Kázmér, Boglárka Erdei & Imre Magyar
[HTML] or [PDF 3,862 KB]
Lang. : 

Online since September 17, 2009


Book 1 [2009]: Cenozoic Dasycladales. A photo-atlas of Lutetian species from French Cenozoic basins, by Patrick GÉNOT.-
Format [HTML] or [PDF 68.244 KB]
Reference: [CG2009_SP01] or
[CG2009_BOOK_01]
Lang.: 

Dépôt légal: 
ISBN13: 978-2-916733-03-6

 Introduction:  Dasycladales are unicellular green algae in existence since the Paleozoic era. Dasycladales discovered in the Cenozoic strata of the French sedimentary basins are noteworthy for the exceptional quality of their preservation. Although most fossil Dasycladales are known only in thin sections, the coatings of the Dasycladales in these basins, particularly of those in Lutetian beds, are easy to extract from sandy sediments and then are examined under the electron microscope. This method of investigation facilitates greatly the identification of the external and internal features of each species.

Online since January 20, 2009


Book 1 [2008]: Guidebook for the post-congress fieldtrip in the Vocontian Basin, SE France (September 11-13, 2008), by Emanuela MATTIOLI (special editor), Silvia GARDIN, Fabienne GIRAUD, Davide OLIVERO, Bernard PITTET & Stéphane REBOULET.-
Format [HTML] or [PDF 1,910 KB]
Reference: [CG2008_BOOK_01]
Lang.: 

Dépôt légal: 
ISBN13: 978-2-916733-02-9

 List of Contents:  

   • Chapter 1. The Aalenian-Bajocian (Middle Jurassic) of the Digne area
   • Chapter 2. The Global Boundary Stratotype Sections and Points (GSSP) of the Hauterivian: La Charce section (Drôme, France, Vocontian Basin)
   • Chapter 3. The nannofossil succession of la Charce across the Valanginian-Hauterivian boundary
   • Chapter 4. The OAE 1d (Oceanic Anoxic Event, latest Albian)
   • Chapter 5. The GSSP (Global boundary Stratotype Section and Point) for the base of the Cenomanian stage (Kennedy et alii, 2004)
   • Chapter 6. The Cenozoic of the Barrême syncline.

Online since September 7, 2008


Book 2 [2006]: Photo-Atlas of living Dasycladales, by Sigrid BERGER.-
Format [HTML] or [PDF Cover 112 KB + PDF p. 1-50 2,261 KB + PDF p. 51-100 7,036 KB + PDF p. 101-150 5,519 KB + PDF p. 151-200 6,181 KB + PDF p. 201-250 4,363 KB + PDF p. 251-300 3,012 KB + PDF p. 301-348 3,978 KB]
Reference: [CG2006_BOOK_02]
Lang.: 

Dépôt légal: DLF-20070216-197
ISBN10: 2-916733-01-9

 Foreword:  (by Filippo BARATTOLO) "Dasycladales, from whichever point of view they are observed, biological or paleontological, never lack in surprises for their elegant structural simplicity is associated with an extraordinary morphological plasticity. This is why their study is so exciting and compelling for those who have a regard for these algae. (...)"
Read more here before downloading...

Online since September 4, 2006


Book 1 [2006]: Les algues vertes (phylum Viridiplantae), sont-elles vieilles de deux milliards d'années ?, by Bernard TEYSSÈDRE [available in a French version only!].-
Format [ HTML] or [PDF 1,089 KB]
Reference: [CG2006_BOOK_01]
Lang.: 

Dépôt légal: DLF-20070216-196
ISBN10: 2-916733-00-0

 Foreword:  (by Françoise DEBRENNE) "(...) The work offered here is based on a disagreement between the author and Andrew KNOLL, the latter author dating the appearance of green algae at about 750Ma. Bernard TEYSSÈDRE analyses this problem using the methods that he recommended in "La Vie Invisible" that combine traditional descriptive paleontology with ultrastructural and biochemical analyses and compares these results with those of molecular phylogeny. Used with discrimination and competence, this tool does not permit the establishment of a precise taxonomy, but avoids erroneous taxonomies based on convergence and allows the establishment of a succession of nodal points in the evolution of a lineage. (...)"
Read more here before downloading...

Online since September 26, 2006


Novel

 

Les chiens aboient..., a novel by Herbert WILD [available in a French version only!].-
Format [HTML]
Reference : [CG2009_ROMAN]
Lang.: 

Dépôt légal: 
ISBN13: 978-2-916733-05-0

 Contents : 

  • Préface (Michel DURAND DELGA)
  • Première partie : La joie de créer
  • Deuxième partie : La poursuite sauvage
  • Troisième partie : ... la caravane passe
  • Commentaires (Michel DURAND DELGA)

Electronic edition by Jean-Marie OLLIVIER & Bruno GRANIER (photo © R. OLLIVIER)

Online since May 18, 2009






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