Zobrazeno 1 - 10
of 266
pro vyhledávání: '"N.L. Dobretsov"'
Autor:
V. A. Ponomarchuk, Elena V. Lazareva, N.L. Dobretsov, Sergey Zhmodik, A. V. Bryanskaya, N. S. Karmanov, B. Yu. Saryg-ool, I. S. Kirichenko, A. V. Tolstov
Publikováno v:
Doklady Earth Sciences. 496:135-138
Data indicating the important role of microorganisms in the redistribution of REEs in the weathering crust and the decisive role in the concentration of REEs during the formation of ores in the upper ore horizon of the Tomtor field are obtained. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f477433fb72e2e9e0edac2c74dfbd386
https://doi.org/10.1134/s1028334x21020057
https://doi.org/10.1134/s1028334x21020057
Publikováno v:
Russian Geology and Geophysics. 62:44-67
––The use of satellite-geological information permits generalization of studies of various active geologic processes in a new way. As reference examples, we consider geologic regions extensively covered by research with our contribution. The join
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b90e97d1ca7d7f3cd96096217aabfc4
https://doi.org/10.2113/rgg20204227
https://doi.org/10.2113/rgg20204227
Publikováno v:
Russian Geology and Geophysics. 62:6-24
—We present a summary and analysis of current views on the magnetic and gravity fields of the Earth as a reflection of global and regional tectonic processes. The discussion concerns the probable interconnection between the distribution of the geom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b15db6a4f472694f8652f0d194504031
https://doi.org/10.2113/rgg20204261
https://doi.org/10.2113/rgg20204261
Publikováno v:
Russian Geology and Geophysics. 62:83-108
––Studies of melt and fluid inclusions and minerals as well as computational modeling (based on the data on the composition of melt inclusions, clinopyroxenes, and amphiboles) gave an insight into the physicochemical parameters of magmatic system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12ba663633c46585ae689b9cfa47355c
https://doi.org/10.2113/rgg20194100
https://doi.org/10.2113/rgg20194100
Autor:
A. V. Tolstov, N.L. Dobretsov, A. V. Travin, Elena V. Lazareva, N. S. Karmanov, I. N. Myagkaya, V. A. Ponomarchuk, Sergey Zhmodik
Publikováno v:
Doklady Earth Sciences. 495:884-887
Among the rich REE–Nb ores of the upper ore horizon of the Tomtor deposit, under the Jurassic deposits (borehole 324, interval 47–62 m), ultrapotassiс rocks (feldspar porphyrite), consisting of more than 90% potassium feldspar (K-feldspar), are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cf56ef4e90bf55a44666b0db06a57f6
https://doi.org/10.1134/s1028334x20120053
https://doi.org/10.1134/s1028334x20120053
Publikováno v:
Petrology. 28:515-531
Eclogite-like rocks of the Olkhon terrane correspond to two types according to the mode of occurrence and mineral compositions, although both types developed after the same type of gabbro of a single complex. The rocks of the first type are composed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f6b9d7b4dfb16e5ba8c8169056a5455
https://doi.org/10.1134/s0869591120060028
https://doi.org/10.1134/s0869591120060028
Autor:
V. S. Fedorovsky, T.V. Donskaya, N.L. Dobretsov, Dmitry P. Gladkochub, A. B. Kotov, A. E. Starikova, A. V. Lavrenchuk, Ark. V. Tevelev, A. M. Mazukabzov, E. V. Sklyarov
Publikováno v:
Geodinamika i Tektonofizika, Vol 11, Iss 3, Pp 447-452 (2020)
We announce the second edition of the Aerospace geological map of the Olkhon Region (Baikal, Russia), scale 1:40 000, which was published in 2017. The map has been considerably revised and updated, and its changes are critical for correct understandi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bf62d68643f3387176766fb27b1231d
https://www.gt-crust.ru/jour/article/view/1080
https://www.gt-crust.ru/jour/article/view/1080
Autor:
N.L. Dobretsov
Publikováno v:
Russian Geology and Geophysics. 61:502-526
The interplay of plume and plate tectonics is discussed with reference to well-documented late Paleozoic and Mesozoic–Cenozoic structures. The considered issues include models of lower mantle plumes; the typical case of the Hawaii plume; plate moti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6e8caab55ccc5a58c178dadbc0999b1
https://doi.org/10.15372/rgg2020102
https://doi.org/10.15372/rgg2020102
Autor:
Elena V. Lazareva, A. N. Pyryaev, N.L. Dobretsov, Sergey Zhmodik, A. V. Tolstov, N. S. Karmanov, V. A. Ponomarchuk
Publikováno v:
Doklady Earth Sciences. 490:76-80
Carbonates of the Tomtor complex of ultramafic alkaline rocks and carbonatites (the northern part of the Republic of Sakha Yakutia) are distinguished by a wide range of carbon isotopic composition δ13C from +2 to –59.9‰. The geological position,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f6c3d506a05f4c7a22b9506cbf5ad88
https://doi.org/10.1134/s1028334x20020117
https://doi.org/10.1134/s1028334x20020117
Autor:
A.N. Vasilevskiy, N.L. Dobretsov
Publikováno v:
Russian Geology and Geophysics. 60:1327-1352
The history of Quaternary glaciation and postglacial uplift in Fennoscandia is considered in relation to the surface topography, gravity, and number of glacial deposits and is compared to the respective processes in North America. The surface topogra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a045b6d57ce9d1446adb6db7389a76f
https://doi.org/10.15372/rgg2019131
https://doi.org/10.15372/rgg2019131