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1041
Transpressional uplift of Wensu Uplift in northern Tarim Basin, NW China: evidence from seismic profiles
Published 2020-11-01“…The strike-slip activities happened during the middle Caledonian (the latest Ordovician), the late Caledonian (the latest Silurian), the early Hercynian (the latest Early-Middle Devonian), the late Hercynian (Late Permian), Indosinian-Yanshan (the latest Triassic and Late Cretaceous) and Himalayan period (Paleogene, Neogene and Quaternary). …”
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1042
Stable isotope (δ13Cker, δ13Ccarb, δ18Ocarb) distribution along a Cambrian outcrop section in the eastern Tarim Basin, NW China and its geochemical significance
Published 2017-01-01“…The results from this study showed the possibility of multiple source kitchens in the Cambrian–lower Ordovician portion of Tarim Basin.…”
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1043
Sources and Risk Characteristics of Heavy Metals in Plateau Soils Predicted by Geo-Detectors
Published 2023-03-01“…For example, precipitation (100–200 mm), pH (7–7.5), DEM (>5500 m), RT (ophiolite), and GA (Ordovician) had the highest average concentration of As in each type (ranges) of the predominant factors. …”
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1044
The Late Paleozoic relative gas fields of coal measure in China and their significances on the natural gas industry
Published 2016-12-01“…The coal-derived gas accumulates in Ordovician, Carboniferous, Permian, and Paleocene reservoirs and are distributed in Ordos Basin, Bohai Bay Basin, Junggar Basin, and Sichuan Basin. …”
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1045
Carbon dioxide adsorption on shale: A comparative study of isotherm models across diverse samples and temperatures
Published 2024-01-01“…Among these samples are LMX1 and LMX2 from the Silurian Longmaxi Formation, WF1 from the Ordovician Wufeng Formation in the Sichuan Basin, and YC from the Ordos Basin's Yanchang Formation. …”
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1046
Seismic Wave Field Anomaly Identification of Ultra-Deep Heterogeneous Fractured-Vuggy Reservoirs: A Case Study in Tarim Basin, China
Published 2021-12-01“…Ultra-deep (7500–9000 m) Ordovician tight limestone heterogeneous fractured-vuggy reservoir is an important target of FuMan Oilfield in Tarim Basin. …”
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1047
Paleozoic Tectonothermal Evolution in the West Qinling Orogen, Central China: Petrological and Chronological Evidence from Garnet Amphibolites
Published 2023-09-01“…The metamorphism at peak temperature condition occurred at <i>c</i>.411 Ma and was followed by decompression cooling to <i>c</i>.377 Ma. The Ordovician high–medium pressure metamorphism is related to the continental collision, which is slightly later than the HP–UHP eclogite-facies metamorphism in the East Qinling Orogen. …”
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1048
Analysis of the orderly distribution of oil and gas fields in China based on the theory of co-control of source and heat
Published 2015-01-01“…Oil targets should be focused on the near shore areas in the southeastern China sea, the upper strata in the eastern and middle hydrocarbon zones, and the Ordovician, Permian and Paleogene strata in the western hydrocarbon zone, while gas targets should be focused on the off-shore areas in the southeastern China sea, the Cambrian, Carboniferous, Jurassic, and Quaternary strata in the western hydrocarbon zone. …”
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1049
Quartz Crystallinity Index of Arabian Sands and Sandstones
Published 2021-09-01“…Arabian sandstones of Late Ordovician, Late Devonian, Late Permian, Late Triassic, and Cretaceous age possess the highest QCI values (>9.5). …”
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1050
Geochemical Characteristics of Graptolite Shale in the Pingliang Formation of the Ordos Basin, China: Implications for Organic Matter, Thermal Evolution, and Hydrocarbon Reservoir
Published 2022-11-01“…Recently, shale gas resources were discovered in the Ordovician marine graptolite-rich strata in the Ordos Basin. …”
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1051
Main deposit styles and associated tectonics of the West Junggar region, NW China
Published 2015-03-01“…Five tectonic-mineralized epochs can be recognized: (1) Ordovician subduction-related VMS Cu-Zn deposit; (2) Devonian ophiolite-related podiform chromite deposit; (3) early Carboniferous subduction-related epithermal Au and porphyry Cu deposits; (4) late Carboniferous subduction-related granite-related Be-U, porphyry Cu, and hydrothermal quartz vein Au deposits; and (5) late Carboniferous to early Permian subduction-related porphyry-greisen Mo(-W) and orogenic Au deposits.…”
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1052
Characteristics and Seismic Identification Mode of Ultra-Deep Carbonate Fault-Controlled Reservoir in Northwest China
Published 2022-11-01“…Ordovician carbonate reservoirs in the Shunbei area of the Tarim Basin are characterized by large burial depth, small vertical fault displacement of the strike-slip fault zone, small karst development scale, strong reservoir heterogeneity, complex and diverse seismic reflection types, which lead to unclear seismic response characteristics of fault zone and reservoir, and further restrict the fine description of ultra-deep (>7300 m) fault controlled reservoirs. …”
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1053
The Advancement and Challenges of Seismic Techniques for Ultra-Deep Carbonate Reservoir Exploitation in the Tarim Basin of Northwestern China
Published 2022-10-01“…Different from its use in the primary porous-type reservoirs, however, the conventional technology is not favorable for use in oil/gas development in Ordovician carbonate reservoirs. For this reason, high-density seismic acquisition and high-resolution seismic processing were carried out to provide high-precision data for fault and fractured reservoir identification. …”
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1054
Dynamics of Silurian Plants as Response to Climate Changes
Published 2021-08-01“…However, available palynological, phylogenetic and geological evidence indicates that the history of plant terrestrialization is much longer and it is recently accepted that land floras, producing different types of spores, already were established in the Ordovician Period. Here we attempt to correlate Silurian floral development with environmental dynamics based on our data from the Prague Basin, but also to compile known data on a global scale. …”
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1055
Kordonka Terrane — a fragment of the Early Paleozoic active margin
Published 2021-12-01“…The Devonian granitods first identified in this area may be evidence of the Kordonka block accession to the Bureya-Jiamusi-Khanka orogenic belt consolidated during the Ordovician. The Kordonka terrane thus marks an independent Early-Middle Paleozoic episode in the formation and closure of the Central Asian paleo-ocean.…”
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1056
Pyrite type and its effect on shale gas accumulation: a case study of Wufeng-Longmaxi shale in Sichuan Basin and its periphery
Published 2020-05-01“…The shale in the Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation in the Sichuan Basin and its periphery was studied. …”
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1057
Revision of the mollisoniid chelicerate(?) Thelxiope, with a new species from the middle Cambrian Wheeler Formation of Utah
Published 2020-04-01“…A, extends the stratigraphical range of Thelxiope to the Lower Ordovician (Tremadocian), and its palaeographic range to West Gondwana. …”
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1058
Geochemical Characterization of Trace MVT Mineralization in Paleozoic Sedimentary Rocks of Northeastern Wisconsin, USA
Published 2016-06-01“…Locally abundant stratigraphic zones of sulfide minerals occur across the region, especially in the highly enriched Sulfide Cement Horizon at the top of the Ordovician St. Peter Sandstone. Abundant quantities of sulfides also appear near the contact between the Silurian Mayville Formation and the underlying Maquoketa and Neda formations in certain areas along and east of the Niagara escarpment. …”
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1059
Earth’s Orbital Control on Organic Matter Enrichment in the Black Shales of the Wufeng–Longmaxi Formation in the Upper Yangtze Region, South China
Published 2022-06-01“…China’s most successful horizon for shale-gas exploration and development is the Upper Ordovician Wufeng Formation through the Lower Silurian Longmaxi Formation in its Upper Yangtze Region. …”
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1060
Vendian – Early Cambrian granites of the Krutorechensky complex (Northern Urals, Russia): protolith age, geodynamic conditions of generation and transformation
Published 2019-12-01“…The Middle Riphean ages of zircons from the protolith suggest that the KG block (belonging to the Prisalatim zone and located west of the MUF zone) is a fragment of the EEP, because the complexes of the Ordovician‐Devonian Tagil paleo‐island arc (located further eastward) are mostly dated to the Ven‐ dian. …”
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