Results 31 to 40 of about 141,133 (203)

HEAVY CONCENTRATE GOLD ASSOCIATIONS IN THE BASIN OF THE KUKULKINDZHA CREEK (OKHOTSK REGION OF THE KHABAROVSK KRAI) [PDF]

open access: yesМинералогия
This article highlights an insufficiently studied issue of a primary source of placer gold in alluvium of the basin of the Kukulkindzha Creek (Okhotsk region, Khabarovsk krai) be means of the analysis of mineralogical and geochemical features of samples.
A.Ya. Nefedova   +5 more
doaj   +1 more source

NATIVE STOOLS ON THE GOLD COAST [PDF]

open access: yesAfrican Affairs, 1905
n ...
openaire   +1 more source

Editorial for the Special Issue “Native Gold as a Specific Indicator Mineral for Gold Deposits”

open access: yes, 2023
Native gold is the most common and significant industrial gold mineral [...
Galina A. Palyanova
core   +1 more source

Preparation and evaluation of the exotoxin A nano-gold conjugate as a vaccine candidate for Pseudomonas aeruginosa infections [PDF]

open access: yesIranian Journal of Basic Medical Sciences, 2021
Objective(s): Pseudomonas aeruginosa is an opportunistic pathogen that is an important cause of nosocomial infections. This bacterium produces various virulence factors, among which exotoxin A is significantly involved in mortality and morbidity. In this
Masoumeh Abbasi   +4 more
doaj   +1 more source

Gold Binding by Native and Chemically ModifiedHops Biomasses [PDF]

open access: yesBioinorganic Chemistry and Applications, 2005
Heavy metals from mining, smelting operations and other industrial processing facilities pollute wastewaters worldwide. Extraction of metals from industrial effluents has been widely studied due to the economic advantages and the relative ease of technical implementation.
López, M. Laura   +7 more
openaire   +2 more sources

MINERALOGY AND ORE FORMATION CONDITIONS OF THE NAILY GOLD DEPOSIT (SOUTH URALS) [PDF]

open access: yesМинералогия
The paper examines mineralogy of noble metals and ore formation conditions at the Naily gold deposit (South Urals), which is hosted in pyrite-bearing talc-carbonate, chlorite-quartz-carbonate and quartz-carbonate metasomatites after serpentinites and ...
A.D. Smirnitskaya   +5 more
doaj   +1 more source

Petrogenesis of the Morobe Granodiorite and their shoshonitic mafic microgranular enclaves in Maramuni arc, Papua New Guinea

open access: yesOpen Geosciences, 2023
The Miocene tectonics of Papua New Guinea, where subduction, arc-continent collision, and changes in subduction direction are considered to have occurred, is very complex and various tectonic models have been proposed.
Hoshide Takashi   +2 more
doaj   +1 more source

On the gold content in the antimony and mercury mineralization in Priamurye

open access: yesРуды и металлы, 2023
The data on the geological and structural position, composition of metasomatites, ores, and gold content of antimony and mercury deposits and occurrences of the Priamursky gold-bearing area are presented.
Stepanov V. A.
doaj   +1 more source

Microtopochemistry of pyrite nodules of siliceous siltstones from the Yubileinoe massive sulfide deposit (the Southеrn Urals): LA-IСP-MS data

open access: yesЛитосфера, 2018
Object . The zonal pyrite nodules and metacrystals from siliceous siltstones of ore-bearing horizon of the Second ore body from the Yubileynoe massive sulfide deposit are studied. Materials and methods .
Alexander S. Tseluyko   +2 more
doaj   +1 more source

Gold composition and conditions of Southern Ak-Dag gold-sulfide-quartz ore occurrence formation (Western Tuva)

open access: yesЛитосфера, 2020
Research subject. The paper presents data on the mineralogical, geochemical and fluid inclusion features of the Southern Ak-Dag gold-sulphide-quartz ore occurrence in Western Tuva.Methods.
N. N. Ankusheva, R. V. Kuzhuget
doaj   +1 more source

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