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Isotope-geochemical composition of massive ice beddings on the interfluve of the rivers Mordyakha and Seyakha (Mutnaya), Central Yamal Peninsula
Vasil'chuk Yurii Kirillovich

Doctor of Geology and Mineralogy

Professor, the department of Geochemistry of Landscapes and Soil Geography, Lomonosov Moscow State University

119991, Russia, Moscow, ul. Leninskie Gory, 1, of. 2009

vasilch_geo@mail.ru
Другие публикации этого автора
 

 
Budantseva Nadine Arkad'evna

PhD in Geography

Senior Scientific Associate, the faculty of Geography, the department of Geochemistry of Landscapes and Geography of Soils, M. V. Lomonosov Moscow State University

119991, Russia, g. Moscow, ul. Leninskie Gory, 1, of. 2007

nadin.budanceva@mail.ru
Vasil'chuk Jessica Yur'evna

Post-graduate student, the department of Geochemistry of Landscapes and Geography of Soils, M. V. Lomonosov Moscow State University

119991, Russia, g. Moscow, ul. Leninskie Gory, 1, of. 2007

jessica.vasilchuk@gmail.com
Vasil'chuk Alla Constantinovna

Doctor of Geography

Leading Scientific Associate, the faculty of Geography, Laboratory of Geoecology of the North, M. V. Lomonosov Moscow State University

119991, Russia, g. Moscow, ul. Leninskie Gory, 1, of. Zh10

alla-vasilch@yandex.ru
Garankina Ekaterina Vadimovna

PhD in Geography

Senior Scientific Associate, the faculty of Geography, the department of Geomorphology and Paleogeography, M. V. Lomonosov Moscow State University

119991, Russia, g. Moscow, ul. Leninskie Gory, 1, of. 1711

evgarankina@gmail.com
Chizhova Yuliya Nikolaevna

PhD in Geography

Senior Scientific Associate, Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry of the Russian Academy of Sciences

109017, Russia, g. Moscow, ul. Staromonetnyi Pereulok, 35 stroenie 1, of. 102

eacentr@yandex.ru
Shorkunov Il'ya Germanovich

PhD in Geography

Scientific Associate, Institute of Geography of the Russian Academy of Sciences, sector of Geography and Evolution of Soils

119017, Russia, g. Moscow, ul. Staromonetnyi Pereulok, 29, of. 58

shorkunov@gmail.com

Abstract.

The objects of this research is the massive ice beddings in the valley Mordyakha River valley, as well as the terrace of Seyakha River (Mutnaya) in the central part of Yamal Peninsula. First of the studied ice bedding outcrops is located the center of Yamal Peninsula, in the upper reaches of Mordyakha (68°11ʹ18ʺN, 68°51ʹ39ʺE), at absolute elevation of 66-70 m; the second one (70°23.4 N, 68°19.4 E) is located 0.6 km towards southwest of the field base GP-1 Bovanenkovo deposit and 5 km towards northwest of Bovanenkovo settlement, at absolute elevation of 87 m. The authors meticulously examine the structure of bedded deposits and peculiarities of their contacts with the enclosing rocks. The article studies the concentration of stable isotopes of oxygen and hydrogen in ice, composition of the main anions and cations, as well spore-pollen remains within ice. The following conclusions were made: a) the studied bedded deposits are classifies as intra-ground type; b) one of the main water source that formed massive ice were lake waters and talik water ; c) in the process of ice formation took place a significant isotope fractionation, which led to the formation of layers with isotope composition heavier than the original lake waters.

Keywords: Holocene, Late Pleistocene, pollen and spores, cations, anions, hydrogen isotopes, oxygen isotopes, ice wedge, massive ice, Yamal Peninsula

DOI:

10.7256/2453-8922.2018.1.25833

Article was received:

06-04-2018


Review date:

06-04-2018


Publish date:

07-04-2018


This article written in Russian. You can find full text of article in Russian here .

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