Results 31 to 40 of about 1,755,347 (261)

Triassic turtles of France: the first European Rhaetian stem turtle taxon (clades Testudinata, Proterochersidae) [PDF]

Swiss Journal of Palaeontology
The earliest turtles (clade Testudinata) are known from the Norian (middle Late Triassic) and soon after their appearance they became speciose and widespread.
Tomasz Szczygielski, Fanny Celestin, Sylvain Adnet, Guillaume Guinot   +3 more
doaj   +3 more sources

Mesozoic Coleopteran Faunas from Argentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records

Psyche: A Journal of Entomology, 2012
The order Coleoptera is the most diversified group of the Class Insecta and is the largest group of the Animal Kingdom. This contribution reviews the Mesozoic insects and especially the coleopteran records from Argentina, based on bibliographical and ...
María Belén Lara, Oscar Florencio Gallego, Lara Vaz Tassi   +2 more
doaj   +1 more source

The Triassic climate and its evolutionary characteristics in Jiyuan area in south of North China Plate： Evidence from paleosol geochemistry

河南理工大学学报. 自然科学版
ObjectivesThe Triassic period was a period of rapid fluctuation of greenhouse climate， and the paleosol recorded abundant paleoclimate information. To study the climate change process from extreme to medium greenhouse，Methodsthe Triassic paleosoils in ...
YANG Wentao, FENG Wanying, ZHANG Hongyu, WANG Min   +3 more
doaj   +1 more source

Geochemistry and detrital zircon geochronology of the Bagong Formation clastic rocks in the Queerchaka area, central part of the Qiangtang Basin: evidence for the Late Triassic chemical weathering and tectonic evolution

Frontiers in Earth Science
Late Triassic was not only a key episode for the evolution of the Qiangtang Basin but also a critical interval marking the final closure of the Paleo-Tethys Ocean on the Qinghai–Tibet Plateau.
Wangzhong Zhan, Jun Qi, Huiwen Huang, Qian Hou, Shangke Xie, Shengqiang Zeng   +5 more
doaj   +1 more source

Revision of the thylacocephalan biota from the Upper Triassic Polzberg Konservat-Lagerstätte, Austria [PDF]

Acta Palaeontologica Polonica
Known for over 140 years, the Upper Triassic Polzberg Konservat-Lagerstätte is an exceptional early Carnian marine assemblage discovered in the Northern Calcareous Alps of Lower Austria. The Polzberg biota is composed of a diverse marine fauna, including
Thomas Laville, Petra Lukeneder, Alexander Lukeneder   +2 more
doaj   +1 more source

New insights on the early Mesozoic evolution of multiple tectonic regimes in the northeastern North China Craton from the detrital zircon provenance of sedimentary strata [PDF]

Solid Earth, 2018
To investigate the timing of deposition and provenance of early Mesozoic strata in the northeastern North China Craton (NCC) and to understand the early Mesozoic paleotectonic evolution of the region, we combine stratigraphy, U–Pb zircon geochronology,
Y. N. Wang, W. L. Xu, W. L. Xu, F. Wang, X. B. Li   +4 more
doaj   +1 more source

Complex Late Triassic-Middle Jurassic Subduction-Related Magmatic History from Detritus of Nominal Middle Jurassic Brooks Range Ophiolite, Northern Alaska

, 2022
In northern Alaska, the Early Cretaceous sedimentary Yukon-Koyukuk basin documents the progressive unroofing of the adjacent Brooks Range orogen.
Fredriksson, Charlotte,, Charlotte Fredriksson, Victoria Pease, Pease, Victoria,   +3 more
core   +1 more source

Evidence for Late Triassic crustal suturing of the Central and Southern Pamir

Journal of Asian Earth Sciences: X, 2020
The timing of closure of the Paleotethys and Rushan ocean basins and suturing of Gondwanan crustal fragments in the Pamir is not well resolved. Whereas the Central Pamir terrane is generally interpreted to have collided with the Northern Pamir terrane at
Dustin P. Villarreal, Alexander C. Robinson, Barbara Carrapa, James Worthington, James B. Chapman, Ilhomjon Oimahmadov, Mustafo Gadoev, Brian MacDonald   +7 more
doaj   +1 more source

Understanding the provenance and depositional conditions of Triassic sedimentary rocks from the Spiti region, Tethys Himalaya, India

Journal of Asian Earth Sciences: X, 2023
The Spiti region, renowned as the Museum of Indian Geology, is a world-famous sedimentary succession containing well-exposed sequences from Neoproterozoic to Cretaceous age. In this study, Triassic siliciclastic sedimentary rocks of the Lilang Supergroup
Javid A. Ganai, Shaik A. Rashid, Abdul Samad Siddiqui, Nurul Absar, Heena, Ghulam Jeelani   +5 more
doaj   +1 more source

Chirotherium barthii Kaup 1835 from the Triassic of the Isle of Arran, Scotland [PDF]

, 2002
The mould of a track from SE Arran, and several in situ trackways and individual tracks, as well as a partial trackway on a loose block of Triassic sandstone, from western Arran, represent the first verifiable fossil tracks of Chirotherium from the ...
Aspen, P., Corrance, H., Clark, N.D.L., N. D. L. Clark, P. Aspen, H. Corrance   +5 more
core   +1 more source