Article
Geography, Physical
Timothy F. Lawton, Ronald C. Blakey, Daniel F. Stockli, Li Liu
Summary: The passage discusses the evolution of sediment-dispersal networks from the Late Mississippian to the middle Permian in western equatorial Pangea, influenced by climate, eustasy, and the late Paleozoic orogenic system. Different geological events, such as uplifts, basins, and river systems, contributed to the transportation and distribution of sediment across the region, shaping the landscape over time.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2021)
Article
Geography, Physical
Gregory J. Retallack
Summary: Research in the southern Karoo Basin of South Africa from the Late Permian to the Middle Triassic shows evidence of at least four atmospheric carbon dioxide spikes coinciding with extinctions on land and at sea. These extinctions correlate with extreme greenhouse spikes of carbon dioxide and transient episodes of warmer and more humid climate, causing respiratory distress for vertebrates and wetland plants. This provides worst-case scenarios for modern global climate change.
GLOBAL AND PLANETARY CHANGE
(2021)
Article
Geology
Gongjian Li, Shengchao Xue, Jinyu Liu, Xin Tang, Xinwei Hu, Jun Deng
Summary: This study investigates the petrogenesis of mafic igneous rocks from the Sibumasu block in the late Carboniferous to early Permian period, highlighting their relationship to the formation of the Neo-Tethys Ocean. The geochemical analysis suggests that these rocks were derived from a previously modified subcontinental lithospheric mantle, intruded and erupted in a passive plate margin setting, potentially contributing to the generation of magmatic sulfide deposits.
ORE GEOLOGY REVIEWS
(2021)
Article
Geography, Physical
Hao Huang, Xiaochi Jin, Yukun Shi
Summary: The paleobiogeographic affinity of Middle Permian fusulinids in the Lhasa Block suggests a close relationship with the South Qiangtang region and similarities with the Cathaysian South China. The diversity of fusulinids in the Lhasa Block during the Middle Permian exceeds that of the eastern Cimmerian blocks, indicating significant climatic amelioration in the region during that time.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Geology
Rafael Oliveira Silva, Mariangela Garcia Praca Leite, Isaac Rudnitzki, Wagner Souza-Lima
Summary: This study focuses on the Permian sedimentology of the Sergipe-Alagoas Basin in northeastern Brazil, identifying six facies associations that reflect the paleoenvironmental conditions of a coastal environment that was part of a shallow epicontinental sea in West-Central Gondwana. The deposits show characteristics of eolian, desiccation structures, and mixed carbonate-siliciclastic facies, with an early diagenetic silicification being the main diagenetic feature. Similarities were observed with Eocene glass ramps of Australia, and a relationship with the Permian Chert Event is suggested.
SEDIMENTARY GEOLOGY
(2021)
Article
Geology
Tian YiHong, Zeng LingSen, Gao LiE, Wang YaYing, Hou KeJun
Summary: The study of Zhegu Co granodiorites in the Tethyan Himalaya region reveals that these rocks formed during the Late Permian and are related to magmatic rocks formed in an extensional tectonic setting. These granodiorites are enriched in light rare-earth-elements, depleted in heavy rare-earth-elements, and display characteristics similar to A2-type granites. The findings suggest a connection between Late Permian felsic magmatism and the rifting of northern Gondwana and the opening of the Neo-Tethyan Ocean.
ACTA PETROLOGICA SINICA
(2021)
Review
Geosciences, Multidisciplinary
Chris Mays, Vivi Vajda, Stephen McLoughlin
Summary: The paper discusses the abundance, diversity, and extinction of non-marine algae in the Permian and Triassic periods, focusing on the aftermath of the end-Permian extinction interval. It also provides insights into the global biotic crises within the Permian-Triassic interval and the fossil records of non-marine algae in Gondwana. Finally, the review highlights the scarcity of quantitative fossil evidence for non-marine algae during these critical periods in evolutionary history.
EARTH-SCIENCE REVIEWS
(2021)
Article
Geosciences, Multidisciplinary
Gilda Lopes, Zelia Pereira, Paulo Fernandes, Marcia Mendes, Joao Marques, Raul C. G. S. Jorge
Summary: The multidisciplinary study of the Muaradzi Sub-basin revealed a vast lowland fluvial setting and characteristic palynological assemblages, providing insights into the geological and paleoecological conditions of the area.
JOURNAL OF AFRICAN EARTH SCIENCES
(2021)
Article
Geography, Physical
Gianluca Cornamusini, Luca Zurli, Giovanni P. Liberato, Valentina Corti, Erik L. Gulbranson, Matteo Perotti, Sonia Sandroni
Summary: This study provides a lithostratigraphic reappraisal of the Beacon Supergroup at Allan Hills in Antarctica, revealing changes in fluvial style and the record of the end-Permian extinction event. The results are similar to studies in Eastern Australia and provide important information for understanding global changes.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2023)
Article
Geology
Daniel A. Gregori, Leonardo Strazzere, Mercedes Barros, Leonardo Benedini, Paulo Marcos, Jose Kostadinoff
Summary: The Mencue Batholith in western North Patagonian Massif consists of three major bodies: Mencue Granodiorite, Cura Lauquen Granite, and La Blancura Syenogranite. These bodies represent different episodes of magmatism, with ages ranging from 294 to 239 million years. The evolution of the batholith is characterized by a transition from solid-state deformed S-type granites to A-type granites, indicating changes in tectonic settings and magmatic processes over time.
INTERNATIONAL GEOLOGY REVIEW
(2021)
Article
Geosciences, Multidisciplinary
Gabriel J. Uhlein, Alexandre Uhlein
Summary: The miniature paleocontinent in the Sao Francisco River valley in eastern Brazil preserves two different glacial epochs, recorded mainly by the Jequitai Formation and Santa Fe Group. These formations provide important insights into the tectonic evolution and climate changes during the late Neoproterozoic and late Paleozoic.
FRONTIERS IN EARTH SCIENCE
(2022)
Article
Geosciences, Multidisciplinary
Xiao-ming Li, Xiang-dong Wang, Le Yao, Yi-chun Zhang, Xiao-juan Wang
Summary: The genus Thomasiphyllum is a taxon with a regionally distributed occurrence restricted to the Cimmerian Continent during the Middle Permian. The presence of naotic septal structures is a key characteristic of this genus and can aid in the reconstruction of the paleogeography of the Gondwana margin.
JOURNAL OF ASIAN EARTH SCIENCES
(2022)
Article
Geography, Physical
Majie Fan, Ohood B. Alsalem, Hepeng Tian, Filip Kasprowicz, Victor A. Valencia
Summary: This study analyzes the morphology, ages, and isotopes of detrital zircons to understand the changes in sediment provenance in the Permian Basin. The results show that sediment sources varied in different periods, and there was limited sediment mixing in the Permian Basin.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Geography, Physical
Jian-Jun Fan, Yaoling Niu, An-Bo Luo, Chao-Ming Xie, Yu-Jie Hao, Hai-Yong Liu
Summary: This study examines the timing of the opening of the Meso-Tethys Ocean by analyzing detrital zircons from Upper Carboniferous-Upper Permian strata on the Tibetan Plateau. The data suggests a significant change in sedimentary provenance around 280-260 million years ago, indicating the opening of the Meso-Tethys Ocean.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2021)
Article
Geography, Physical
Longyi Shao, Fanghui Hua, Juan Wang, Xingkai Ji, Zhiming Yan, Tianchang Zhang, Xuetian Wang, Shimin Ma, Tim Jones, Huinan Lu
Summary: This study examines palynological successions from the late Permian to the Early Triassic in southwestern China and identifies four distinct palynofloral assemblages. The results suggest that the Permian-Triassic mass extinction had a significant impact on terrestrial vegetation in southwestern China. The findings support the hypothesis that the extinction process of terrestrial vegetation was a two-staged and longer-duration event.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2023)
