Results 21 to 30 of about 42,593 (264)
Key structural periods and Permian tight gas accumulation response in Hangjinqi area, Ordos Basin
Shiyou shiyan dizhi, 2021 Critical tectonic period is a critical time point that characterizes the genetic connection and causal relation (accumulation response) between tectonic effect and oil/gas accumulation in large superposition basins, it is also an important "window" for ...
Kaiping LUO +4 more
doaj +1 more source
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 +23 more
core +1 more source
Acta Societatis Botanicorum Poloniae, 2022 During the Palaeozoic Era, plants conquered the land and covered greater and greater areas from coastal lowlands to highlands. Palaeobotanical data based on macroremains from Polish Palaeozoic strata complete and enrich the picture of these processes ...
Grzegorz Pacyna, Maria Barbacka
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Ages from the “Mogod Formation” of the Permian–Triassic igneous rocks in the Sayan–Baikal belt, northern Mongolia [PDF]
, 2022 Late Paleozoic–Early Mesozoic volcano-plutonic rock unit at the southern margin of the Sayan–Baikal belt, Mongolia is a significant factor in understanding the Paleozoic–Mesozoic arc system along the Siberian continental margin.
NURAMKHAAN, Manchuk +4 more
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Stratigraphy, sedimentary environment and geochemistry of the Ruteh Formtaion in Qharkhotlou region, south-west of the Zanjan [PDF]
Journal of Stratigraphy and Sedimentology Researches, 2019 The Ruteh Formation in the Qharkhotlou region (southwest of Zanjan) mainly consists of 52 m sandy limestones and cream to grey thin to medium-bedded limestones.
Farzaneh Nouri Nav +3 more
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Известия высших учебных заведений: Геология и разведка, 2023 Background. Changes in the composition of clastic material reflect changes in both the paleogeographic environment and clast transport paths. In turn, this indicates changes in the conditions of regional development.
N. A. Orlova, M. V. Orlov
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Trace Fossils in Permian Rocks of English Riviera UNESCO Global Geopark [PDF]
Geoconservation Research, 2021 The Permian breccias, conglomerates and sandstones of the English Riviera UNESCO Global geopark were deposited in quite harsh, desert environments just north of the Permian Equator.
Malcolm Hart, Christopher Smart
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Shiyou shiyan dizhi, 2023 The Permian source rocks in the southern depression of the South Yellow Sea Basin have been proved to be fair-good source rocks. Based on the analysis of recent Paleozoic oil and gas exploration and research results, the thermal evolution and hydrocarbon
Qian CAO +6 more
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Postoperative care of symphysiotomy performed for severe shoulder dystocia with fetal demise
Case Reports in Women's Health, 2017 Background: Shoulder dystocia is an obstetric emergency which occurs in 0.2–3% of all births ACOG Committee on Practice Bulletins-Obstetrics and The American College of Obstetrician and Gynecologists (2002) .
Joy Anderson +2 more
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