Results 31 to 40 of about 58,216 (258)
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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Nature Communications, 2020 The current model for the end-Permian terrestrial ecosystem crisis holds that systematic loss exhibited by an abrupt turnover from the Daptocephalus to the Lystrosaurus Assemblage Zone (AZ; Karoo Basin, South Africa) is time equivalent with the marine ...
R. Gastaldo +5 more
semanticscholar +1 more source
Lethaia, EarlyView., 2021 Biomineralization is a generic term used to indicate biological‐mediated mineral formation. In carbonate mineralization, nucleation of crystals can be: (1) controlled directly by the organisms, like in the skeletal formation of most metazoans; (2) induced by microbial communities, by indirect precipitation mediated by their metabolic activities; or (3)
Adriano Guido +4 more
wiley +1 more source
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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Danmarks Geologiske Undersøgelse Serie B, 1982 In North-West Europe two mega-basins began their development during Late Carboniferous to Early Permian: The South Permian Basin stretching from eastern England into Poland , and the North Permian Basin reaching from Scotland into Denmark. These two basins were separated by the Mid North Sea High and the Ringkøbing-Fyn High which came into existence ...
Fritz Lyngsie Jacobsen +1 more
openaire +2 more sources
, 2020 The end-Permian mass extinction is the greatest biotic crisis in Earth history causing the extinction of a large number of marine and terrestrial animals globally. However, how land plants responded to the catastrophe remains controversial.
Zhuo Feng +8 more
semanticscholar +1 more source
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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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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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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