Microbial-, fusulinid limestones with large gastropods and calcareous algae: an unusual facies from the Early Permian Khao Khad Formation of Central Thailand
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DOI: 10.1007/s10347-020-00605-w
Abstract: The Early Permian (Kungurian) Khao Khad Formation of Central Thailand consists mostly of carbonates deposited on the western margin of the Indochina Terrane. This formation has yielded unusual microbial-fusulinid limestones with large gastropods which contribute… read more here.
Keywords: fusulinid; calcareous algae; early permian; khao khad ... See more keywords
Geology, Geochronology, and Hf Isotopic Composition of the Pha Lek Fe Deposit, Northern Laos: Implications for Early Permian Subduction-Related Skarn Fe Mineralization in the Truong Son Belt
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DOI: 10.1007/s12583-018-0864-7
Abstract: The Truong Son metallogenic belt in central Laos and Vietnam is an important Fe-Cu-Sn-Au polymetallic ore district. The Pha Lek Fe deposit is closely related to Late Carboniferous- Early Permian I-type granitic magmatism, and contains… read more here.
Keywords: lek deposit; geology; pha lek; early permian ... See more keywords
Carboniferous – Early Permian magmatic evolution of the Bogda Range (Xinjiang, NW China): Implications for the Late Paleozoic accretionary tectonics of the SW Central Asian Orogenic Belt
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DOI: 10.1016/j.jseaes.2017.07.045
Abstract: Abstract The Late Paleozoic magmatic evolution of the Bogda Range (Chinese North Tianshan) is important for understanding the accretionary history of the Central Asian Orogenic Belt. We investigated the Carboniferous and Lower Permian volcanic and… read more here.
Keywords: bogda range; tectonics; late paleozoic; early permian ... See more keywords
Late Paleozoic tectonic transition in East Junggar, NW China: Insights from I- and A-type granitic magmatism in the Karamaili region
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DOI: 10.1016/j.lithos.2021.106481
Abstract: Abstract The closure time of the Karamaili Ocean is the key to understand the accretionary history of the East Junggar at the southern Central Asian Orogenic Belt in the Paleozoic. In this study, we report… read more here.
Keywords: east junggar; junggar; model ages; tdm2 model ... See more keywords
Tree-ring analysis elucidating palaeo-environmental effects captured in an in situ fossil forest - The last 80 years within an early Permian ecosystem
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DOI: 10.1016/j.palaeo.2017.09.011
Abstract: Abstract The early Permian Chemnitz Fossil Lagerstatte (Leukersdorf Formation, Chemnitz Basin, SE Germany) represents a diverse T 0 assemblage of a fossil forest ecosystem around the Sakmarian-Artinskian transition (290.6 ± 1.8 Ma), which was preserved by pyroclastic deposits… read more here.
Keywords: seed; tree ring; tree rings; fossil forest ... See more keywords
Bioerosion in shells from the Early Permian Rio Bonito Formation, Brazil: Taphonomic, paleobiological, and paleoecological implications
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DOI: 10.1016/j.palaeo.2018.06.003
Abstract: Abstract We report the occurrence of sponge borings in composite molds of heteropectinid shells from Early Permian marine siliciclastic deposits of the Parana Basin of southern Brazil. Sponge borings are preserved mainly as chambers (Entobia)… read more here.
Keywords: bioerosion shells; permian rio; bioerosion; early permian ... See more keywords
Scolecopteris minuta sp. nov., a marattialean fern from the early Permian Wuda Tuff Flora of Inner Mongolia, China
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DOI: 10.1016/j.revpalbo.2020.104246
Abstract: Abstract A new and exceptionally hairy marattialean fern of an early Permian age having pecopterid sterile pinnules and strongly enrolled fertile pinnules, Scolecopteris minuta sp. nov., is described from the uppermost Taiyuan Formation of the… read more here.
Keywords: marattialean fern; inner mongolia; minuta nov; early permian ... See more keywords
The amphibamiform Nanobamus macrorhinus from the early Permian of Texas
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DOI: 10.1017/jpa.2019.72
Abstract: Abstract. Nanobamus macrorhinus Schoch and Milner, 2014 is a small amphibamiform temnospondyl from the early Permian Arroyo Formation of Texas. It is most readily characterized by an elongate and partially subdivided naris. This condition is… read more here.
Keywords: amphibamiform nanobamus; macrorhinus early; nanobamus macrorhinus; early permian ... See more keywords
Detrital zircon provenance evidence for an early Permian longitudinal river flowing into the Midland Basin of west Texas
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DOI: 10.1080/00206814.2020.1756930
Abstract: ABSTRACT Collision of Gondwana and Laurentia in the late Palaeozoic created new topography, drainages, and foreland basin systems that controlled sediment dispersal patterns on southern Laurentia. We utilize sedimentological and detrital zircon data from early… read more here.
Keywords: river; midland basin; early permian; basin ... See more keywords
A New Species of the Genus Bellazona (Gastropoda) from the Early Permian Reef Limestones of Shakhtau
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DOI: 10.1134/s0031030119070062
Abstract: A new species Bellazona acuta sp. nov., is described from the Early Permian reef limestone of Shakhtau (southern Cisuralia). This find significantly expands the geochronological range of the genus Bellazona, which was formerly believed to… read more here.
Keywords: early permian; species genus; genus bellazona; new species ... See more keywords
An intriguing new diapsid reptile with evidence of mandibulo-dental pathology from the early Permian of Oklahoma revealed by neutron tomography
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DOI: 10.1371/journal.pone.0276772
Abstract: The initial stages of diapsid evolution, the clade that includes extant reptiles and the majority of extinct reptilian taxa, is surprisingly poorly known. Notwithstanding the hypothesis that varanopids are diapsids rather than synapsids, there are… read more here.
Keywords: diapsid reptile; pathology; tomography; evidence ... See more keywords