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VIS-NIR-SWIR spectroscopic mapping for classification of hydrothermal-metasomatic alterations on the flanks of the Stolbovoe uranium deposit (Eastern Cis-Sayan)

open access: diamondИзвестия высших учебных заведений: Геология и разведка, 2022
Background. The Stolbovoe deposit is located in the northern part of the Eastern Sayan, in the Nizhneudinsky district of the Irkutsk region, within the N-47-IX map sheet. The surveying of the territory began in the sixties of the last century.
E. N. Karmanov   +3 more
doaj   +3 more sources

Reaction-driven magmatic crystallisation at the Maoniuping carbonatite [PDF]

open access: yesNature Communications
Igneous rocks form by solidification of magmas through cooling or volatile degassing following decompression. Expelled H2O is thought to trigger alteration around intrusions, leading to formation of metasomatic halos.
Yan Liu, Michael Anenburg
doaj   +2 more sources

Geology and mineralization of the Bayan Obo supergiant carbonatite-type REE-Nb-Fe deposit in Inner Mongolia, China: A review

open access: yesChina Geology, 2023
The Bayan Obo supergiant carbonatite-related rare-earth-element-niobium-iron (REE-Nb-Fe) endogenetic deposit (thereafter as the Bayan Obo deposit), located at 150 km north of Baotou City in the Inner Mongolia Autonomous Region, is the largest rare-earth ...
Yi-ke Li   +19 more
doaj   +1 more source

Alteration-mineralization zonality of the Teploe 2 and Intruzivnoe molybdenum prospects in the Djetsky ore cluster, Eastern Sayan

open access: yesРуды и металлы, 2023
Molybdenum mineralization in the Eastern Sayan is represented by the stockwork, vein, and skarn types. The article is devoted to molybdenum ore occurrences of the Dzhetsky ore cluster of the Sisim-Divnogorsk minerogenic zone, that are characterized by ...
Suchkov A. V., Vydrich D. E.
doaj   +1 more source

MINERALOGY OF HOST ROCKS OF THE OSINOVSKOE GOLD-QUARTZ DEPOSIT (CENTRAL URALS) [PDF]

open access: yesМинералогия, 2023
The paper describes the mineralogy of mica shales of the Osinovskoe gold deposit in the Central Urals. Our studies unraveled the role of dynamometamorphism in the transformation of primary rocks and allowed the characterization of their metasomatic ...
N.P. Safina, L.Ya. Kabanova, I.A. Blinov
doaj   +1 more source

Mineralogical and geochemical characteristics of zircon from diorite porphyry dyke in Sergozerskoe gold occurrence (the Strel'ninsky greenstone belt, Kola region) [PDF]

open access: yesVestnik MGTU, 2016
Mineralogical and geochemical investigation of zircon from diorite porphyry from Sergozerskoe occurrence has been carried out. Study of morphology and inner structure of zircon crystals in back scattered electron rays as well as assaying for content and ...
Kudryashov N. M.   +3 more
doaj   +1 more source

Sulfur loss from subducted altered oceanic crust and implications for mantle oxidation [PDF]

open access: yes, 2020
© The Author(s), [year]. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Walters, J. B., Cruz-Uribe, A. M., & Marschall, H. R.
Cruz‐Uribe, Alicia M.   +2 more
core   +1 more source

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