Results 61 to 70 of about 3,256 (202)
Petroleum Exploration and Development, 2017 Taking Mesoproterozoic Xiamaling Formation, Northern China as an example, the heterogeneities of source rock in different scales and hydrocarbon microscopic occurrence are studied based on observation of outcrops and observation with microscopy, and ...
Xiaomei WANG +6 more
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Basin Research, Volume 38, Issue 2, March/April 2026.Detrital zircon unmixing identifies three sediment sources for the Oligocene–Miocene Nyalau Formation, including a previously unrecognised syn‐depositional component characterised by Oligocene–Miocene volcanic zircons and Neoproterozoic populations absent from established sources.
Ekundayo J. Adepehin +3 more
wiley +1 more source
Highly fractionated chromium isotopes in Mesoproterozoic-aged shales and atmospheric oxygen
Nature Communications, 2018 There is a long standing debate whether low atmospheric oxygen levels during the Mesoproterozoic Era hindered the evolution of crown-group animals. Here, the authors show with shale-hosted chromium isotopes that sufficient atmospheric oxygen for crown ...
Donald E. Canfield +7 more
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Geochemistry, Geophysics, Geosystems, 2023 The lithology, geochemistry, and architecture of the continental lithospheric mantle (CLM) underlying the Kimberley Craton of north‐western Australia has been constrained using pressure‐temperature estimates and mineral compositions for >5,000 newly ...
Z. J. Sudholz +9 more
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Late Triassic Hydroclimatic Changes in Central China Linked to Evolving Mountain Topography
Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.Abstract During the Late Triassic, tropical Pangea drifted northward into subtropical latitudes and became progressively drier. In contrast, South China, despite experiencing a similar latitudinal shift, transitioned from an arid to humid climate. Based on the sedimentary record of the Zigui Basin, this study constrains the arid to humid climatic shift
Rong Chai +7 more
wiley +1 more source
Carbonate sedimentology: An evolved discipline
The Depositional Record, Volume 12, Issue 1, February 2026.Abstract Although admired and examined since antiquity, carbonate sediment and rock research really began with Charles Darwin who, during a discovery phase, studied, documented and interpreted their nature in the mid‐19th century. The modern discipline, however, really began after World War II and evolved in two distinct phases.
Noel P. James, Peir K. Pufahl
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The Mesoproterozoic in the Nordic countries
Episodes, 2008 During the Mesoproterozoic, central Fennoscandia and Laurentia (Greenland) were characterized by a weakly extensional stress regime, as evident from episodic rapakivi granites, dolerite dykes, continental rift intrusives, sandstone basins and continental flood basalts. Along the southwestern active margin of Fennoscandia, the 1.64-1.52 Ga Gothian and 1.
Bernard Bingen +3 more
openaire +2 more sources
Weathering in a world without terrestrial life recorded in the Mesoproterozoic Velkerri Formation
Nature Communications, 2019 Prior to the expansion of life on to land, abiotic weathering may have resulted in different boundary conditions affecting the composition of the biosphere.
Mehrnoush Rafiei, Martin Kennedy
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Supplemental Material: Late Mesoproterozoic low-P/T–type metamorphism in the North Wulan terrane: Implications for the assembly of Rodinia [PDF]
, 2021 Lu Wang, Nengsong Chen, et al.
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Anais da Academia Brasileira de Ciências, 2014 New U-Pb zircon geochronological data integrated with field relationships and an airborne geophysical survey suggest that the Nova Brasilândia and Aguapeí belts are part of the same monocyclic, metaigneous and metasedimentary belt formed in the late ...
GILMAR J. RIZZOTTO +3 more
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