Results 131 to 140 of about 1,186 (177)
Carbonate Sedimentology of the Upper Riphean (Neoproterozoic) Uk Formation, Southern Urals
Lithology and Mineral Resources, 2021 S A Dub, D V Grazhdankin
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Flysch association of the upper Riphean of the Talas Range
International Geology Review, 1980 V. G. Korolev, R. A. Maksumova
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Paleobiocoenoses in the middle-upper riphean stratotype of the Southern Urals
Doklady Earth Sciences, 2012 V I Kozlov, V N Puchkov, N D Sergeeva
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Geochemistry of High-Phosphorus Zircon from the Upper Riphean Sandstones of the Southern Timan
Geochemistry International, 2023 A detailed mineralogical and geochemical study (using the EPMA and SIMS methods) of zircon from metasandstones of the Dzhezhim Formation in the South Timan made it possible to establish an anomalously high content of phosphorus in it (up to 10.27 wt % P2O5 according to EPMA data), which correlates with an increased content of other non-formula ...
О. В. Гракова +3 more
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Upper Riphean and Vendian sandstones of the Bashkirian anticlinorium
Lithology and Mineral Resources, 2010 The analysis of lithogeochemical data on the Upper Riphean and Vendian sandstones from the Bashkirian anticlinorium showed that sandstone associations formed in a passive sluggish tectonic regime in the middle Late Vendian were replaced by associations accumulated in the more active tectonic settings.
А. В. Маслов +2 more
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Mayanian (1100–850 Ma) – Prebaikalian Upper Riphean of Siberia
Russian Geology and Geophysics, 2007 Abstract The Mayanian (1100–850 Ma) is an all-Siberian stratigraphic subdivision of the Neoproterozoic distinguished on the basis of generalized geological and paleontological data for the Maya Group in the southeast of the Siberian craton and for its counterparts in other structure-facies areas (SFA).
V. V. Khomentovsky +2 more
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LITHIUM-FREE LITHIOPHORITE FROM THE UPPER RIPHEAN SEDIMENTS OF SALAIR
International Geology Review, 1990 (1990). LITHIUM-FREE LITHIOPHORITE FROM THE UPPER RIPHEAN SEDIMENTS OF SALAIR. International Geology Review: Vol. 32, No. 3, pp. 302-317.
V. P. Rakhmanov +4 more
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Stratigraphy and Geological Correlation, 2014
Published and original data on the Sr isotopic characterization of carbonates from the Riphean and Vendian key sections of the Southern Urals, Siberia, Asia, Africa, Australia, and North America are considered in compliance with the suggested principles of reconstructing the Sr isotopic composition of the Proterozoic seawater.
A B Kuznetsov +2 more
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Published and original data on the Sr isotopic characterization of carbonates from the Riphean and Vendian key sections of the Southern Urals, Siberia, Asia, Africa, Australia, and North America are considered in compliance with the suggested principles of reconstructing the Sr isotopic composition of the Proterozoic seawater.
A B Kuznetsov +2 more
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The Upper Riphean of the Yenisei Range
Russian Geology and Geophysics, 2007 Abstract The Yenisei Range and the adjacent territories in the east are subdivided into (1) the Mid-Angara intracratonic depression; (2) the Yenisei pericratonic trough; and 3) a marginal oceanic block, the Isakovka-Predivinsk area.
V. V. Khomentovsky
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Precambrian Research, 1991 The Draken Formation (120-250 m) of northeast Spitsbergen (Svalbard) forms part of a thick Upper Proterozoic carbonate platform succession. It consists predominantly of intraformational dolomitic conglomerates, with excellent textural preservation.
Ian J. Fairchild +2 more
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