Browsing Статьи, тезисы докладов by Title
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Browsing Статьи, тезисы докладов by Title
Now showing items 124-143 of 2494
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(2020)Минералы группы эвдиалита из ультраагпаитовых ассоциаций часто характеризуются высокими содержаниями (вплоть до доминирования) натрия в позиции M2, которая в эвдиалите заселена железом. Обсуждаются особенности блочного ...
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(2014)Studies were taken of ore-bearing rocks, ores and gravity concentrates from Natalka gold deposit by a set of complex methods including mineralogical, petrographic and geochemical research, gravity concentration, and ...
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(2019)Within the Chu-Kendyktas Precambrian terrane located in Southern Kazakhstan (in the western part of the Central Asian Orogenic Belt), medium- and high-grade metamorphic formations have been identified and attributed to the ...
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(2015)The Gorny Altai terrane (GA) is a key area in understanding the crustal evolution of the Central Asian Orogenic Belt (CAOB). This paper reports U–Pb and Hf-isotope data for detrital zircons from Cambrian to early Devonian ...
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(2015)Some new palynological fossils were newly found from the lower part of Upper Cretaceous Yong’ancun Formation in Jiayin, China, nearby the Heilongjiang (Amur) River. 43 genera and 54 species of palynomorphs, and three ...
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ON SOME FEATURES PECULIAR TO THE SEPTEMBER 22, 2005 ERUPTION OF YOUNG SHIVELUCH VOLCANO, KAMCHATKA (2014)An explosive eruption of Young Shiveluch Volcano occurred on September 22, 2005, discharging a pyroclastic flow about 20 km long in the Baidarnaya River valley and an ashfall in the area of the Northern group of volcanoes.
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(2014)The physical mechanism is suggested to account for the phenomenon of modulation of the intensity of geoacoustic emission (GAE) by the external electromagnetic field of audio-frequency band, which was previously revealed ...
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(2015)As a case study, the Meihe Basin, a typical Cenozoic faulted basin, was divided into and identified as five three-order sequences by utilizing core, well logging, and seismic data, as well as palaeontological and geochemical ...
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(2008)Passive margins have existed somewhere on Earth almost continually since 2740 Ma. They were abundant at 1900–1890, 610–520, and 150–0 Ma, scarce at ca. 2445–2300, 1600–1000, and 300–275 Ma, and absent before ca. 3000 Ma ...
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(2020)Изученные изотопные характеристики Pb и Nd гранитоидов, прорывающих комплексы Озёрной зоны, Монгольского и Гобийского Алтая, иллюстрируют особенности процессов роста континентальной коры разнородных террейнов Центрально-Азиатского ...
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(2010)A concept of the transnational geological GIS creation consists in the consideration of spatial objects under study as an integrated complex system with its specific internal structure and ...
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(2009)The Central Asian Orogenic Belt (CAOB) is well-known for its massive generation of juvenile crust in the Phanerozoic. In eastern CAOB, voluminous peralkaline and alkaline (alkali-feldspar) granitoids and genetically related ...
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(2014)We report the petrology, whole-rock geochemistry, zircon LA-ICP-MS U–Pb chronology and zircon Hf isotopic data of Daxigou granitoids (western part of the Kuluketage Block, NW China) to evaluate their likely petrogenesis ...
Now showing items 124-143 of 2494