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   Articles with "lower triassic" as a keyword



Palaeoenvironmental implications and genesis of lacustrine Lower Triassic giant ooids

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recommendations! Published in 2025 at "Facies"

DOI: 10.1007/s10347-024-00697-8

Abstract: The sedimentary environment and mechanisms of formation of giant ooids (> 2 mm) are not well understood. Here, we use petrographical, mineralogical and geochemical data of giant ooids from the Lower Triassic Buntsandstein Formation of central… read more here.

Keywords: formation; giant ooids; palaeoenvironmental implications; implications genesis ... See more keywords

An integrated facies, diagenesis and geochemical analysis along with sequence stratigraphy of the Lower Triassic Aghe-Darband basin (north-east Iran)

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recommendations! Published in 2021 at "Journal of African Earth Sciences"

DOI: 10.1016/j.jafrearsci.2020.103952

Abstract: Abstract The Sefid Kuh Formation (Lower Triassic), in Aghe-Darband tectonic window (NE of Iran) reflects a complex setting as is deducible from intercalation of carbonates with volcanic deposits. A detailed sediment petrological, sequence stratigraphical and… read more here.

Keywords: triassic aghe; analysis; lower triassic; formation ... See more keywords

Making sense of pore systems and the diagenetic impacts in the Lower Triassic porous dolostones, northeast Sichuan Basin

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recommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2020.107949

Abstract: Abstract As the heterogeneity of pore systems, carbonate rocks commonly exhibit unpredictable porosity vs. permeability relationship and make the exploitation and prediction of prolific reservoirs difficult. Most of published studies on pore systems were conducted… read more here.

Keywords: lower triassic; northeast sichuan; sichuan basin; pore systems ... See more keywords

Disaster microconchids from the uppermost Permian and Lower Triassic lacustrine strata of the Cis-Urals and the Tunguska and Kuznetsk basins (Russia)

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recommendations! Published in 2021 at "Geological Magazine"

DOI: 10.1017/s0016756820001375

Abstract: Abstract We describe aggregative microconchid (Lophophorata) tubes from the uppermost Permian (upper Changhsingian) and Lower Triassic (Olenekian) lacustrine and fluvial strata of the Tunguska and Kuznetsk basins and the southern Cis-Urals, Russia. These attach to… read more here.

Keywords: lacustrine; uppermost permian; lower triassic; tunguska kuznetsk ... See more keywords

The bristletail genus Dasyleptus (Insecta: Archaeognatha: Dasyleptidae) from the Upper Permian-Lower Triassic Kayitou Formation of SouthWestern China

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recommendations! Published in 2019 at "Historical Biology"

DOI: 10.1080/08912963.2019.1692342

Abstract: ABSTRACT The extinct bristletail genus Dasyleptus is a typical late Palaeozoic insect group that widely distributed in the Northern Hemisphere. Here we describe the first fossil record of Dasyleptus from the Upper Permian-Lower Triassic transitional… read more here.

Keywords: bristletail genus; lower triassic; genus dasyleptus; upper permian ... See more keywords

UNUSUALLY PRESERVED BENTHIC FORAMINIFERAL ASSEMBLAGES FROM THE LOWER TRIASSIC VIRGIN LIMESTONE MEMBER, MOENKOPI FORMATION, NEVADA, U.S.A.

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recommendations! Published in 2025 at "Journal of Foraminiferal Research"

DOI: 10.61551/gsjfr.55.3.296

Abstract: The end-Permian mass extinction, the largest in Earth’s history, was so severe that biotic recovery was delayed for five or more million years. During the Early Triassic, ecosystems were populated by low diversity fauna, and… read more here.

Keywords: moenkopi formation; virgin limestone; benthic foraminiferal; limestone member ... See more keywords

A new basal ichthyosauromorph from the Lower Triassic (Olenekian) of Zhebao, Guangxi Autonomous Region, South China

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recommendations! Published in 2022 at "PeerJ"

DOI: 10.7717/peerj.13209

Abstract: Here we describe a newly discovered basal ichthyosauromorph from the Lower Triassic of South China, Baisesaurus robustus gen. et sp. nov. The only known specimen of this new species was collected from the Lower Triassic… read more here.

Keywords: region; south china; lower triassic; ichthyosauromorph lower ... See more keywords