Results 31 to 40 of about 1,529 (201)

Pterosaur Tracks from the Upper Cretaceous Anacleto Formation (Neuquén Basin), Northern Patagonia, Argentina: Insights into Campanian Pterosaur Diversity in Gondwana

Diversity, 2022
The Campanian Anacleto Formation holds an abundant and diverse ichnofossil and body-fossil vertebrate record. Despite the striking diversity of this record, pterosaur fossils had never been described from the unit.
Ignacio Díaz-Martínez, Arturo M. Heredia, Santiago N. González, Nerina Canale, Silvina de Valais, Carlos A. Cónsole-Gonella, Romina M. Montes, Martina Caratelli, Sofía Urzagasti-Torres, Geraldine Fischer, Agustina Lecuona, Pablo Paniceres, Leonardo Salgado, Paolo Citton   +13 more
doaj   +1 more source

Ghosts of the Holobiont: Borings on a Miocene Turtle Carapace from the Pisco Formation (Peru) as Witnesses of Ancient Symbiosis

Journal of Marine Science and Engineering, 2022
In spite of the widespread occurrence of epibiotic turtle barnacles (Coronuloidea: Chelonibiidae and Platylepadidae) on extant marine turtles (Chelonioidea: Cheloniidae and Dermochelyidae), and although the association between these cirripedes and their ...
Alberto Collareta, Rafael Varas-Malca, Giulia Bosio, Mario Urbina, Giovanni Coletti   +4 more
doaj   +1 more source

La grotte de Cussac (Dordogne)

Les Nouvelles de l’Archéologie, 2019
The recently discovered (2000) Cussac Cave is one of the major elaborately decorated caves for which the Ministry of Culture immediately invoked protective measures, including climatic controls and land and equipment purchases.
Jacques Jaubert, Catherine Ferrier, Valérie Feruglio, Nathalie Fourment, Camille Bourdier, Stéphane Konik, Sébastien Villotte   +6 more
doaj   +1 more source

Depression chains in seafloor of contrasting morphology, Atacama Trench margin: a comment on Marsh et al. (2018) [PDF]

Royal Society Open Science, 2019
This comment presents acoustic and visual data showing deep seafloor depression chains similar to those reported in Marsh et al. (R. Soc. open sci. 5: 180286), though from a different deep-sea setting. Marsh et al.
Autun Purser, Helena Herr, Simon Dreutter, Boris Dorschel, Ronnie N. Glud, Laura Hehemann, Ulrich Hoge, Alan J. Jamieson, Thomas D. Linley, Heather A. Stewart, Frank Wenzhöfer   +10 more
doaj   +1 more source

From alluvial fans to lacustrine systems: trace fossils applied to paleoenvironmental analysis in the Taubaté Basin (Brazil) [PDF]

Brazilian Journal of Geology
Studies integrating ichnology and sedimentology in paleoenvironmental interpretations are rare in Brazilian rift successions. This study applies an integrated ichno-sedimentological analysis to a well core from the Resende and Tremembé Formations ...
Vittor Cambria, Maurícius Nascimento Menezes, Patrick Führ Dal’ Bó, Leonardo Borghi, Daniel Sedorko   +4 more
doaj   +2 more sources

Ichnofossils, Cracks or Crystals? A Test for Biogenicity of Stick-Like Structures from Vera Rubin Ridge, Mars

Geosciences, 2020
New images from Mars rover Curiosity display millimetric, elongate stick- like structures in the fluvio-lacustrine deposits of Vera Rubin Ridge, the depositional environment of which has been previously acknowledged as habitable.
Andrea Baucon, Carlos Neto De Carvalho, Fabrizio Felletti, Roberto Cabella   +3 more
doaj   +1 more source

APPENDIX III: Geochemistry Result Of Analysis of the Ichnology, Depositional Environment of the Middle Cambrian Mount Whyte Formation, Alberta, Canada

, 2023
This is APPENDIX III, geochemistry result, for Chundi Shan's Master thesis title "Analysis of the Ichnology, Depositional Environment of the Middle Cambrian Mount Whyte Formation, Alberta, Canada ...
Chundi Shan
core   +1 more source

Detrital Zircon Provenance and Lithofacies Associations of Montmorillonitic Sands in the Maastrichtian Ripley Formation: Implications for Mississippi Embayment Paleodrainage Patterns and Paleogeography

Geosciences, 2020
We provide new detrital zircon evidence to support a Maastrichtian age for the establishment of the present-day Mississippi River drainage system. Fieldwork conducted in Pontotoc County, Mississippi, targeted two sites containing montmorillonitic sand in
Jennifer N. Gifford, Elizabeth J. Vitale, Brian F. Platt, David H. Malone, Inoka H. Widanagamage   +4 more
doaj   +1 more source

Textbook of ichnology [PDF]

Nature, 1976
The Study of Trace Fossils: A Synthesis of Principles, Problems and Procedures in Ichnology. Edited by Robert W. Frey,. Pp. xiv+562. (Springer: Berlin and New York, 1975.) DM 141.70; $58.10.
openaire   +1 more source

APPENDIX IV: Eigenvectors Tables Of Analysis of the Ichnology, Depositional Environment of the Middle Cambrian Mount Whyte Formation, Alberta, Canada

, 2023
This is APPENDIX IV, eigenvectors tables, for Chundi Shan's Master thesis title "Analysis of the Ichnology, Depositional Environment of the Middle Cambrian Mount Whyte Formation, Alberta, Canada ...
Chundi Shan
core   +1 more source