Results 1 to 10 of about 201,561 (339)

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

PLATINUM METAL MINERALIZATION OF THE SOUTH URALS MAGMATIC COMPLEXES: GEOLOGICAL AND GEODYNAMIC CHARACTERISTICS OF FORMATIONS, PROBLEMS OF THEIR GENESIS, AND PROSPECTS

open access: yesГеодинамика и тектонофизика, 2021
In the South Urals, we have identified and investigated two platinum-bearing formations – ophiolite chromitebearing complexes, and the Khudolaz differentiated mafic-ultramafic complex with sulfide Cu-Ni mineralization.
I. R. Rakhimov   +2 more
doaj   +1 more source

MINERALOGY OF THE VORONTSOVSKOE GOLD DEPOSIT (NORTHERN URALS). PART 2: NATIVE ELEMENTS, SULFIDES, ARSENIDES, TELLURIDES [PDF]

open access: yesМинералогия, 2021
The paper continues a series of publications devoted to the mineralogy of the Vorontsovskoe gold deposit in the Northern Urals (Kasatkin et al., 2020).
A.V. Kasatkin   +8 more
doaj   +1 more source

Radiometric ages and other isotopic data bearing on the evolution of Archaean crust and ores in the Kuhmo-Suomussalmi area, eastern Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1999
The Archaean greenstone-gneiss terrain in the Kuhmo-Suomussalmi district in eastern Finland has been isotopically studied in connection with regional bedrock mapping and local mineral exploration projects.
M. Vaasjoki, K. Taipale, I. Tuokko
doaj   +1 more source

New data on the mineralogy of the gold-sulfide ore type of the Karalveem deposit, Chukotka

open access: yesРуды и металлы, 2022
In this paper, we present the results of a mineralogical study of the ores of the Karalveem deposit in the northeast of Russia (Central and Ruslovy areas). Gold mineralization is characterized by two types of ores: gold-quartz-arsenopyrite (quartz veins
Ruslan A. Maksarov   +4 more
doaj   +1 more source

Dynamic of Mining Systems: Impact of Cl Ion Concentration on Heap Copper Leaching Process at Industrial Scale

open access: yesMetals, 2023
Analytical models are of vital importance to study the dynamics of complex systems, including the heap leaching process. In this work, a methodology to study the dynamics of copper recovery in the heap leaching by means of fit of analytical models that ...
Manuel Saldaña   +5 more
doaj   +1 more source

Methylammonium antimony sulfide [PDF]

open access: yesActa Crystallographica Section C Crystal Structure Communications, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Rachel J E, Lees   +2 more
openaire   +2 more sources

Application of lithogeochemistry in the assessment of nickel-sulphide potential in komatiite belts from northern Finland and Norway [PDF]

open access: yesBulletin of the Geological Society of Finland, 2013
This study tests the application of chalcophile elements such as nickel, copper and the platinum-group elements as indicators of nickel-sulphide prospectivity in komatiites from terranes of the Karelian Craton in northern Finland and Norway.
G.J. Heggie   +2 more
doaj   +1 more source

Scaling in a Geothermal Heat Exchanger at Soultz-Sous-Forêts (Upper Rhine Graben, France): A XRD and SEM-EDS Characterization of Sulfide Precipitates

open access: yesGeosciences, 2021
The Soultz-Sous-Forêts geothermal site (France) operates three deep wells for electricity production. During operation, scales precipitate within the surface installation as (Ba, Sr) sulfate and (Pb, As, Sb) sulfide types.
Béatrice A. Ledésert   +10 more
doaj   +1 more source

Role of Sulfur Compounds in Vegetable and Mushroom Aroma

open access: yesMolecules, 2022
At the base of the food pyramid is vegetables, which should be consumed most often of all food products, especially in raw and unprocessed form. Vegetables and mushrooms are rich sources of bioactive compounds that can fulfill various functions in plants,
Monika A. Marcinkowska, Henryk H. Jeleń
doaj   +1 more source

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