Results 31 to 40 of about 5,138,357 (259)

A new Early Triassic crinoid from Nevada questions the origin and palaeobiogeographical history of dadocrinids [PDF]

Acta Palaeontologica Polonica, 2023
Knowledge of the early evolution of post-Palaeozoic crinoids mainly relies on the well-preserved and abundant material sampled in Triassic Konservat-Lagerstätten such as those from the Anisian Muschelkalk (Middle Triassic) of the Germanic Basin.
THOMAS SAUCÈDE, CHRISTOPHER SMITH, NICOLAS OLIVIER, CHRISTOPHE DURLET, PIERRE GUERIAU, MATHIEU THOURY, EMMANUEL FARA, GILLES ESCARGUEL, ARNAUD BRAYARD   +8 more
doaj   +1 more source

Triassic source rocks of the Eastern Ciscaucasia

Известия высших учебных заведений: Геология и разведка, 2023
Background. Triassic deposits of the Eastern Ciscaucasia belong to the upper part of the transient zone, which is considered promising for hydrocarbon exploration.
P. A. Volkova, E. A. Lavrenova, M. S. Levitskaya, T. N. Suyunbayev   +3 more
doaj   +1 more source

Microbial mats in the terrestrial Lower Triassic of North China and implications for the Permian–Triassic mass extinction [PDF]

Palaeogeography, Palaeoclimatology, Palaeoecology, 2017
Abstract Evidence for microbial mats has been reported repeatedly from marine Lower Triassic rocks, but scarcely mentioned in post-mass extinction terrestrial facies. Here, we report from the terrestrial Lower Triassic Liujiagou Formation in North China the presence of five kinds of microbially induced sedimentary structures (MISS) or sedimentary ...
Chu, Daoliang, Tong, Jinnan, Bottjer, David J., Song, Haijun, Song, Huyue, Benton, Michael J., Tian, Li, Guo, Wenwei   +7 more
openaire   +4 more sources

High-resolution carbon isotope changes in the Permian-Triassic boundary interval, Chongqing, South China; implications for control and growth of earliest Triassic microbialites [PDF]

, 2009
High-resolution delta13C_CARB analysis of the Permian-Triassic boundary (PTB) interval at the Laolongdong section, Beibei, near the city of Chongqing, south China, encompasses the latest Permian and earliest Triassic major facies changes in the South ...
Kershaw, S, Guo, Li, Le Heron, D.P., D.P. Le Heron, Qi, Y, Wilson, C., Reynolds, Alan, H.A. Armstrong, Gindre, L., Mu, X, Reynolds, A, Kershaw, Steve, Armstrong, H.A., Li, Y, Qi, Yuping, Howard, J.P., L. Gindre, Li, Yue, Mu, Xinan, C. Wilson, Guo, L, LeHeron, D., Wilson, C.R., J.P. Howard   +23 more
core   +1 more source

Zaplavnensky horizon - a new stratone in the Lower Triassic of the East European platform

Известия высших учебных заведений: Геология и разведка, 2016
A new horizon, called Zaplavnensky, is suggested on the base of verhnesukhorechenskaya subsuite of Buzulukskaya depression in the Lower Triassic of the East European platform.
I. V. Novikov, V. P. Tverdokhlebov, V. R. Lozovsky   +2 more
doaj   +2 more sources

Litostratigrafia spodnotriasových súvrství Západných Karpát

Geologické práce. Správy
The nomenclature of Lower Triassic lithostratigraphic units in the Western Carpathians has not been standardized to date. Reference profiles and stratotypes have not yet been established for all Lower Triassic sedimentary sequences.
Mário Olšavský
doaj   +1 more source

THE HISTORY OF GEOLOGICAL AND PALEONTOLOGICAL STUDY OF BOLSHOYE BOGDO MOUNTAIN

Известия высших учебных заведений: Геология и разведка, 2018
The history of the geological and paleontological study of Bolshoye Bogdo mountain, as well as the evolution of the views on their geological structure, has been considered.The first descriptions of the rocks composing the Bolshoye Bogdo mountain ...
I. A. Starodubtseva, I. V. Novikov
doaj   +1 more source

THERMAL MATURITY ASSESSMENT OF MIDDLE TRIASSIC ROCKS AND HEAT FLOW MODELING IN AGATOVO-SUHINDOL AREA (CENTRAL NORTH BULGARIA) [PDF]

Acta Geobalcanica, 2015
The study area is in the Moesian Platform and more precisely in its southern most subsided part – South Moesian Platform Margin. The research object is Triassic section reached by boreholes in the Agatovo and Suhindol countryside area.
Nikola Botoucharov, Megi Angelova
doaj   +1 more source

Redescription of the Triassic cynodont Cistecynodon parvus and reassessment of its phylogeny

The Anatomical Record, EarlyView.
Abstract Cynodontia is an important subclade of Therapsida that first occurred in the late Permian. It includes extinct subclades which are the non‐mammaliaform cynodonts and Mammaliaformes, with the latter ultimately giving rise to crown mammals. The systematics of non‐mammaliaform cynodonts has been extensively studied and is relatively well‐resolved,
Erin S. Lund, Frederik P. Wolvaardt, Roger M. H. Smith, Jaganmoy Jodder, Julien Benoit   +4 more
wiley   +1 more source

Discriminating conodont recording bias: a case study from the Nanzhang-Yuan’an Lagerstätte [PDF]

PeerJ
The Early Triassic Nanzhang-Yuan’an Lagerstätte of Hubei Province, South China, preserves abundant marine reptiles in the uppermost part of the Jialingjiang Formation and provides detailed insights into marine organisms, including newly discovered and ...
Kui Wu, Boyong Yang, Bi Zhao, Liangzhe Yang, Yarui Zou, Gang Chen, Jiangli Li   +6 more
doaj   +2 more sources