Geochemical implications of uranium-bearing thucholite aggregates in the Upper Permian Kupferschiefer shale, Lubin district, Poland
Sign Up to like & getrecommendations! Published in 2024 at "Mineralium Deposita"
DOI: 10.1007/s00126-024-01279-y
Abstract: New inorganic and organic geochemical data from thucholite in the Upper Permian (Wuchiapingian) Kupferschiefer (T1) shale collected at the Polkowice-Sieroszowice Cu-Ag mine in Poland are presented. Thucholite, which forms spherical or granular clusters, appears scattered… read more here.
Keywords: poland; composition; kupferschiefer shale; upper permian ... See more keywords
New insights into marine hydrocarbon geological conditions in the South Yellow Sea Basin: evidence from borehole CSDP-2
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Oceanology and Limnology"
DOI: 10.1007/s00343-020-0068-8
Abstract: The South Yellow Sea Basin (SYSB) has multiple sets of proven source rocks and good hydrocarbon prospects, but no industrial oil and gas has been explored at present. To solve this puzzle for petroleum geologists,… read more here.
Keywords: source; hydrocarbon; yellow sea; upper permian ... See more keywords
Permineralized Calamitean Axes from the Upper Permian of Xinjiang, Northwest China and Its Paleoecological Implication
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Earth Science"
DOI: 10.1007/s12583-017-0941-3
Abstract: Two anatomically preserved calamitean axes are reported for the first time from the Late Permian Wutonggou Formation in the southern Bogda Mountains, Xinjiang Uygur Autonomous Region, Northwest China. Based on the anatomical features, these axes… read more here.
Keywords: northwest china; calamitean axes; axes upper; permineralized calamitean ... See more keywords
The vertebrate fauna of the Upper Permian of Niger—X. The mandible of the captorhinid reptile Moradisaurus grandis
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Vertebrate Paleontology"
DOI: 10.1080/02724634.2018.1531877
Abstract: ABSTRACT Recent field work in the upper Permian Moradi Formation of Niger has yielded new material of the late-occurring and largest moradisaurine captorhinid, Moradisaurus grandis. The material includes two right hemimandibles, which represent individuals that… read more here.
Keywords: moradisaurus grandis; captorhinid; reptile; grandis ... See more keywords
The bristletail genus Dasyleptus (Insecta: Archaeognatha: Dasyleptidae) from the Upper Permian-Lower Triassic Kayitou Formation of SouthWestern China
Sign Up to like & getrecommendations! 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
Misleading Basin Margins—Analysis of the Upper Permian Succession in the Retroarc Foreland Bowen Basin of Northeast Australia
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DOI: 10.1111/bre.70033
Abstract: The meridional, Permo–Triassic Bowen Basin of NE Australia became a retroarc foreland basin in the late Permian, with a mapped foredeep axis (Taroom Trough) running north–south adjacent to the eastern edge of the basin. The… read more here.
Keywords: basin; bowen basin; upper permian; margin ... See more keywords
First Report of Insect Endophytic Oviposition from the Upper Permian of the Pechora Basin, on a Leaf of Phylladoderma (Peltaspermopsida: Cardiolepidaceae)
Sign Up to like & getrecommendations! Published in 2020 at "Paleontological Journal"
DOI: 10.1134/s0031030120040140
Abstract: The first endophytic oviposition from the Upper Permian of the Pechora Basin (Talbeyskaya Formation, Severodvinian–Vyatkian) is described in a formal system. Paleoovoidus krassilovi sp. nov. is a linear oviposition arranged in two oppositely directed rows… read more here.
Keywords: oviposition upper; pechora basin; permian pechora; endophytic oviposition ... See more keywords
Diagenesis of marine-continental transitional shale from the Upper Permian Longtan Formation in southern Sichuan Basin, China
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DOI: 10.1515/geo-2022-0696
Abstract: Abstract Upper Permian Longtan Formation transitional shale has become an important exploration layer, but the Longtan Formation shale (LFS) has a complex mineralogical composition, which affects the subsequent diagenesis and diagenetic evolution, and restricts the… read more here.
Keywords: longtan formation; upper permian; diagenesis; permian longtan ... See more keywords
Characteristics of Mineralogy, Lithofacies of Fine-Grained Sediments and Their Relationship with Sedimentary Environment: Example from the Upper Permian Longtan Formation in the Sichuan Basin
Sign Up to like & getrecommendations! Published in 2021 at "Energies"
DOI: 10.3390/en14123662
Abstract: The Longtan Formation of the Upper Permian in the Sichuan Basin has become a significant target for shale gas exploration in recent years. Multiple methods, including outcrop observations, thin sections, total organic matter content, X-ray… read more here.
Keywords: upper permian; mineralogy; environment; longtan formation ... See more keywords
Pore Structure Characteristics and Reservoir Classification of Tight Sandstones within the Upper Permian Longtan Formation in the Laoshan Uplift, South Yellow Sea Basin: Implications for Hydrocarbon Exploration
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Marine Science and Engineering"
DOI: 10.3390/jmse12050732
Abstract: The Upper Permian Longtan Formation in the Laoshan Uplift of the South Yellow Sea Basin hosts thick and distinctive tight sandstones. However, a comprehensive understanding of its pore structure and reservoir classification remains lacking. This… read more here.
Keywords: laoshan uplift; longtan formation; formation laoshan; upper permian ... See more keywords
Petrographic and Geochemical Insights from Fibrous Calcite Veins: Unraveling Overpressure and Fracture Evolution in the Upper Permian Dalong Formation, South China
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DOI: 10.3390/min15090896
Abstract: The characteristics and evolution of fibrous calcite veins in organic-rich shales have gained significant attention due to the recent advancements in shale oil and gas exploration. However, the fibrous calcite veins in the Upper Permian… read more here.
Keywords: upper permian; calcite veins; dalong formation; fibrous calcite ... See more keywords