Results 21 to 30 of about 50,959 (268)

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

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

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

Prospects for identifying the Mississippi Valley type deposits in the North-East of Russia

open access: yesЛитосфера, 2020
Research subject. The Mississippi Valley type deposits make up about a third of the global balance of lead and zinc reserves, resources and production.
A. L. Galyamov   +4 more
doaj   +1 more source

Glacial dynamics in pre-Alpine narrow valleys during the Last Glacial Maximum inferred by lowland fluvial records (northeast Italy) [PDF]

open access: yes, 2018
During the Last Glacial Maximum (LGM), most of the major glaciated basins of the European Southern Alps had piedmont lobes with large outwash plains; only a few glaciers remained within the valley.
Carraro, Anna   +4 more
core   +2 more sources

Petrography and petrology of the Hawaii Scientific Drilling Project lavas: Inferences from olivine phenocryst abundances and compositions [PDF]

open access: yes, 1996
The Mauna Loa (ML) and Mauna Kea (MK) lavas recovered by the Hawaii Scientific Drilling Project (HSDP) include aphyric to highly olivine-phyric basalts.
Alves, Sophie   +2 more
core   +1 more source

Fossil biomass preserved as graphitic carbon in a late paleoproterozoic banded iron formation metamorphosed at more than 550°C [PDF]

open access: yes, 2019
Metamorphism is thought to destroy microfossils, partly through devolatilization and graphitization of biogenic organic matter. However, the extent to which there is a loss of molecular, elemental and isotope signatures from biomass during high ...
De Gregorio, BT   +9 more
core   +2 more sources

TITANOMAGNETITE ORES: MINERAL COMPOSITION AND MÖSSBAUER SPECTROSCOPY [PDF]

open access: yesМинералогия, 2017
Chemical and mineral composition of ilmenite-titanomagnetite ores from Chiney, Sludinsky, Bystrinsky and Kruchininsky deposits (East Siberia) are studied and compared with those from the Panzhihua pluton in China using microprobe and X-ray diffraction ...
V.P. Lyutoev   +5 more
doaj  

Petrography, The Tar Sands Paradise, and the Medium of Modernity [PDF]

open access: yes, 2016
This article engages with the artistic practice of petrography, the art of creating photographic images through the action of sunlight upon bitumen, the heavy-oil material that is the source of the petroleum in the Athabasca tar sands.
Cariou, Warren, Gordon, Jon
core   +1 more source

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