Results 61 to 70 of about 1,054 (150)
Survey data of geodynamic studies, completed during the latest 20 years in Ukraine for most of its regions, have been generalized in order to summarize the results of regional studies into geo-historical line from Eoarchean to Anthropogen.
O.B. Gintov
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The ophiolites of the northern slope of the Kuznetsk-Alatau Ridge are the most representative fragments of the sub-oceanic crust in the region. In this article, we present the results of a study of the metabasites from ophiolite paragenesis of the ...
N. A. Dugarova +3 more
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Tubular Compression Fossils from the Ediacaran Nama Group, Namibia [PDF]
Abundant tubular macrofossils occur in finely laminated siltstones and shales of the 548-542 Ma Schwarzrand Subgroup. Nama Group, Namibia. The Nama tubes occur in both the Vingerbreek and Feldschuhhorn members commonly in dense populations and always in ...
Abelson, John +13 more
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The Prikolyma terrain is a part of the Yana-Kolyma orogenic belt located in the North Eastern Asia. It is generally composed of the Proterozoic deposits, including sandstones, metapellites, quartz-feldspar and carbonate rocks, meta- and hyperbasites. The
Anton N. Glukhov +3 more
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Ore-forming Сonditions of the Blagodat Gold Deposit in the Riphean Metamorphic Rocks of the Yenisey Ridge According to Geochemical and Isotopic Data [PDF]
Neodymium and strontium isotopic composition and rare earth elements (REE) distribution pattern have been determined in whole rocks and minerals were separated from host metamorphic rocks and disseminated sulfide ores of the Blagodat gold deposit ...
Gertner, Igor F. +7 more
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Development of bryozoaus (bryozoa type) on the border of devonian carboniferous in western part of the altai sayanskaya folded area [PDF]
The features of pearlside development in Late Devonian and Early Carboniferous time in western part of the Altai-Sayanskaya folded area have been revealed.
Tolokonnikova, Z. A.
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Ambient inclusion trails in Palaeozoic crustaceans (Phosphatocopina and Ostracoda) [PDF]
Hollow microtubular structures with pyrite grains at their termini have been found in phosphatocopines (Hesslandona toreborgensis and Hesslandona cf.
Olempska, Ewa, Wacey, David
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A likely role for anoxygenic photosynthetic microbes in the formation of ancient stromatolites [PDF]
Although cyanobacteria are the dominant primary producers in modern stromatolites and other microbialites, the oldest stromatolites pre-date geochemical evidence for oxygenic photosynthesis and cyanobacteria in the rock record.
Bosak, T., Greene, S. E., Newman, D. K.
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The paper presents new data on the composition of Late Paleozoic terrigenous and volcanogenic-terrigenous rocks of the Upper Devonian-Lower Carboniferous Tocher formation of the Bagdarin synform (Western Transbaikalia).
V. S. Tashlykov +4 more
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Glacial facies associations in a Neoproterozoic back-arc setting, Zavkhan Basin, western Mongolia [PDF]
Diamictites, many of glacial origin, are globally distributed in the Neoproterozoic. Recently, two relatively thin diamictites in the Maikhan Uul Member at the base of the Neoproterozoic Tsagaan Oloom Formation from the Zavkhan Basin of western Mongolia ...
Bat-Ireedui, Y. A. +4 more
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