Results 41 to 50 of about 52,937 (266)

Timing of the magmatism of the paleo-Pacific border of Gondwana: U-Pb geochronology of Late Paleozoic to Early Mesozoic igneous rocks of the north Chilean Andes between 20° and 31°S [PDF]

open access: yes, 2014
Indexación: Web of Science; ScieloABSTRACT. U-Pb zircon geochronological data provide record of about 130 Ma of igneous activity in the Andes of northern Chile, which extended episodically from the latest Early Carboniferous to Early Jurassic (328-194 Ma)
Maksaev, Víctor   +2 more
core   +1 more source

Mesozoic Coleopteran Faunas fromArgentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records [PDF]

open access: yes, 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 ...
Gallego, Oscar Florencio   +2 more
core   +2 more sources

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

open access: yes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   +3 more
doaj   +1 more source

Sedimentary environment evolution of the Jialingjiang Formation in the Maling area: Evidence from sedimentology and major and trace elements

open access: yes地质科技通报, 2022
The Maling area is located in Xingyi City, Guizhou Province.It is an idea area to study the evolution of the sedimentary environment in the Early Triassic for its sedimentary strata saddle the Permian and Triassic transition.Based on the integrations of ...
Liuyun Ouyang   +4 more
doaj   +1 more source

Mercury anomalies associated with three extinction events (Capitanian Crisis, Latest Permian Extinction and the Smithian/Spathian Extinction) in NW Pangea [PDF]

open access: yes, 2015
Copyright © Cambridge University Press 2015. Strata of Permian - Early Triassic age that include a record of three major extinction events (Capitanian Crisis, Latest Permian Extinction and the Smithian/Spathian Extinction) were examined at the Festningen
Beauchamp, Benoit   +4 more
core   +1 more source

Functional diversity of marine ecosystems after the Late Permian mass extinction event [PDF]

open access: yes, 2014
Article can be accessed from http://www.nature.com/ngeo/journal/v7/n3/full/ngeo2079.htmlThe Late Permian mass extinction event was the most severe such crisis of the past 500 million years and occurred during an episode of global warming.
A Baud   +49 more
core   +1 more source

Recovery of gastropods in the Early Triassic

open access: yesComptes Rendus Palevol, 2005
Abstract Gastropod rebound from the end-Permian mass extinction event initiated in the Olenekian and diversification continued until the Carnian. The most diverse and abundant Early Triassic gastropod faunas are from the Moenkopi Formation (Utah) and the Upper Werfen Formation (Europe, Alps), which contribute as much as 50% to the reported global ...
openaire   +1 more source

PERMIAN-TRIASSIC BOUNDARY AND EARLY TRIASSIC CONODONTS FROM THE SOUTHERN ALPS, ITALY

open access: yesRIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA, 2020
The Bellerophon (Late Permian) and Werfen (Lower Triassic) Formations were investigated on the basis of conodonts. Fifteen sections were sampled from Carnic Alps and Dolomites area in the Southern Alps. Ten were productive. The Bellerophon Formation yielded a few specimens of Hindeodus typicalis, Ellisonia agordina and Ellisonia sp. In the ...
MARIA CRISTINA PERRI   +1 more
openaire   +2 more sources

Evidence for multi-rifting in the Variscan–Alpine cycle transition: insights from the European western Southern Alps [PDF]

open access: yesSolid Earth
We investigate the transition between the Paleozoic Variscan cycle and the Mesozoic–Cenozoic Alpine supercontinent cycle, both of which have played a pivotal role in shaping the central European–Mediterranean plate architecture.
E. Scaramuzzo   +3 more
doaj   +1 more source

Rapid neck elongation in Sauropterygia (Reptilia: Diapsida) revealed by a new basal pachypleurosaur from the Lower Triassic of China

open access: yesBMC Ecology and Evolution, 2023
Neck elongation has appeared independently in several tetrapod groups, including giraffes and sauropod dinosaurs on land, birds and pterosaurs in the air, and sauropterygians (plesiosaurs and relatives) in the oceans.
Qi-Ling Liu   +6 more
doaj   +1 more source

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