Results 11 to 20 of about 9,375 (233)

Cupriferous basalts of the Northern Urals

open access: yesЛитосфера, 2017
Characteristics and distinctive features of cupriferous basalts in the world are given. Deposits of the Superior Lake in the United States are considered as a reference.
S. Savchuk Yury   +2 more
doaj   +1 more source

Marcasite at the Permian‐Triassic Transition

open access: yesGeophysical Monograph Series, Page 377-399., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Elena Lounejeva   +7 more
wiley  

+1 more source

The substitution mechanism of Au in In-, Fe- and In-Fe-bearing synthetic crystals of sphalerite, based on the data from EPMA and LA-ICP-MS study

open access: yesЛитосфера, 2019
Research subject. Sphalerite (ZnS) is a widespread mineral that can be found in various depositional environments. During formation, this mineral can accumulate minor and trace impurities, with gold being one of the most valuable component.
D. E. Tonkacheev   +5 more
doaj   +1 more source

PHYSICAL-CHEMICAL FORMATION CONDITIONS OF URANIUM-TITANIUM-METAGEL MINERALIZATION AT THE GOLD-URANIUM ELKON DEPOSIT

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2017
A wide range of the temperatures of hydrothermal fluid regime (430-103 °C) has been revealed in the result of microthermometric study of the fluid inclusions in the minerals of pre-ore and post-ore stages developed at the Elkon deposit.
M. M. Komarova   +3 more
doaj   +1 more source

Investigation of isotopes of ice in the Askinskaya and Kinderlinskaya caves (Southern Urals)

open access: yesЛëд и снег, 2023
The aim of this work was to determine mechanisms of formation of perennial ice in caves of the Southern Urals, as well as to find sources of water and processes responsible for the formation of isotopic parameters of the cave ice.
Ju. N. Chizhova   +3 more
doaj   +1 more source

Distribution of natural radionuclides in the soils on the territory of the New Moscow

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2019
The paper is devoted to the question of natural radionuclides (40K, 238U, 232Th) distribution in the soils on the territory of New Moscow. Based on the processing of the results of aero-gamma-spectrometry and analysis of extensive cartographic material ...
A. S. Guseva   +2 more
doaj   +1 more source

Assessment of Seismogeodynamic Activity of Mining Areas on the Basis of 3D Geoinformation Modeling

open access: yesRussian Journal of Earth Sciences, 2022
The article deals with the creation of an information and analytical platform for assessing external causes of technogenic (man-made) accidents and for improving methods of their predication and prevention on the territories of long-term geological ...
Petrov V.   +4 more
doaj   +1 more source

THREE-DIMENSIONAL GIS MODELING OF THE STRELTSOVSKAYA CALDERA’S COVER ON THE BASIS OF SURFACE RELIEF AND THE BASEMENT’S TOP DIGITAL MODELS

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2018
Based on the consideration and analysis of different approaches to obtaining data for constructing a digital elevation model and types of  three-dimensional surface representation, the choice of the most  optimum technique for construction and ...
I. O. NAFIGIN   +2 more
doaj   +1 more source

Development of the natural resources in the Arctic zone of Russia in X-XVII centuries

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2017
An exploration of the natural resources of the Russian Arctic was started in the X century by Novgorod people. The main objective was the development of the river, lake, offshore lands, as well as the development of the fishing and hunting products.
K. V. Lobanov, M. V. Chicherov
doaj   +1 more source

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