Results 51 to 60 of about 1,709 (175)

Femic chemical elements in near-ore metasomatic haloes of the Kedrovskoye gold-ore deposit (the North Transbaikalia) [PDF]

open access: yes, 2007
The results of studying geochemistry of phemophilous group in near-ore apogneiss and aposhale metasomatites of the Kedrovskoye mesothermal deposit in the North Tranbaikalia are presented.
Kucherenko, I. V.
core  

Mineralogy of gold and the characteristics of host rock in the Podpolom (Klokoè) high sulfidation type epithermal deposit [PDF]

open access: yes, 2003
V strednej èasti stratovulkanického komplexu Javorie sa vyskytuje v podpolomskej oblasti epitermálne zrudnenie báden-pannón-skeho veku. Zrudnenie je radené k tým hydrotermálnym centrám, ktoré vznikli vo vrchnej èasti stockovitých dioritových telies ...
Földessy János, Seres-Hartai Éva
core  

Structure of geochemical field of mesothermal gold ore deposit Zapadnoe (Lensk ore area)

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2019
The described research is now becoming even more relevant due to the efficiency improvement of expected gold ore exploration based on sophisticated geochemical information processing and interpretation methods. The main aim of the study is to investigate geochemical zoning and to identify anomalous geochemical deposit structure within Zapadnoe gold ore
Roman Yurievich Gavrilov, Danil Khryapin
openaire   +2 more sources

Past and possible future of the Lahóca mine, Recsk, Hungary - a historical review [PDF]

open access: yes, 1998
Epitermálne zlatonosné zrudnenia sa viau k takým hydrotermálnym systémom, v ktorých sa minerály, obsahujúce zlato, objavujú v hĺbke 1-2 km pod povrchom.
Seres-Hartai Éva
core  

Stability and solubility of arsenopyrite, FeAsS, in crustal fluids.

open access: yes, 2002
The stability and solubility of natural arsenopyrite (FeAsS) in pure water and moderately acid to slightly basic aqueous solutions buffered or not with H2 and/or H2S were studied at temperatures from 300 to 450°C and pressures from 100 to 1000 bar.
Kara, Sami   +2 more
core   +3 more sources

Carbonate alteration of ophiolitic rocks in the Arabian–Nubian Shield of Egypt: sources and compositions of the carbonating fluid and implications for the formation of Au deposits [PDF]

open access: yes, 2016
Ultramafic portions of ophiolitic fragments in the Arabian–Nubian Shield (ANS) show pervasive carbonate alteration forming various degrees of carbonated serpentinites and listvenitic rocks.
Azer, Mokhles K.   +9 more
core   +2 more sources

Femophilic elements in wallrock metasomatites and in ores of mesothermal gold deposits Newsletter of mantle deep

open access: yesМеждународный журнал прикладных и фундаментальных исследований, 2011
There were found contrast anomalies of femophilic element association: P, Ti, Mg, Mn, Fe, Ca-in back zones of zonal wallrock metasomatite haloes of mesothermal gold deposits in Eastern Siberia (Russia), formed in crystal sole (Irokidinsk, Kedrovsk) and in Proterozoic strats of black silstones (Kedrovsk, Chertovo Koryto), in the nearest (up to 1,5 km ...
Kucherenko, I., Gavrilov, R.
openaire   +2 more sources

How the Neoproterozoic S-isotope record illuminates the genesis of vein gold systems: an example from the Dalradian Supergroup in Scotland [PDF]

open access: yes, 2013
The genesis of quartz vein-hosted gold mineralization in the Neoproterozoic–early Palaeozoic Dalradian Supergroup of Scotland remains controversial. An extensive new dataset of S-isotope analyses from the Tyndrum area, together with correlation of the ...
Boyce, Adrian J.   +7 more
core   +2 more sources

Gold deportation in the Asimotrypes carbonate-hosted mesothermal Au deposit, Greece: Mineralogical sitting, distribution and onditions of deposition

open access: yes, 2005
The Asimotrypes carbonate-hosted mesothermal gold deposit, located at Eastern Macedonia, north Greece, geologically belongs to the West Rhodope massif, which represents the metamorphic core complex of an alpine collision orogen. The ore is of replacement and shear zone-controlled types.
Demetrios G. Eliopoulos   +1 more
openaire   +3 more sources

Aeromagnetic Mapping and Radioelement Influence on Mineralogical Composition of Mesothermal Gold Deposit in Part of Ilesha Schist Belt, Southwestern Nigeria [PDF]

open access: diamond, 2022
Kazeem Oladimeji Olomo   +4 more
openalex   +1 more source

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