The Relationship between the Structural Orientation and the Gold Mineralisation of Quartz-Sulphide Veins in the Navachab Gold Deposit, NamibiaDirect assessment of the gold grade in different vein setsAssessment of the factors controlling the grade distributionVeins oriented at high angle to bedding have...
To study genetic relationship between these dikes and gold orebodies, we determined the homogenization temperature, composition, salinity and hydrogen oxygen isotope of H 2O of fluid inclusions in quartz of gold bearing quartz vein, REE and trace elements of gold bearing quartz vein and rock of ...
We calculate theoretically the dispersion curves and surface plasmon (SP) density of states (DOS) at the interface between gold and silver nanostructures a... VK Komarala,WH Guo,X Min - 《Journal of Applied Physics》 被引量: 17发表: 2010年 超轻质石英/酚醛复合材料烧蚀行为与 多物理场数值模拟...
This paper presents lithogeochemical characteristics of the rarefaction metal granite mass in Pingwu,Sichuan and discusses preliminarily the relationship between the granite and Be,W,Sn minerogenesis.The forming minerals of the granite mass rock are composed of quartz,albite,potassium feldspar and phlogo...
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The Montecristo district, northern Chile, is one of the few places worldwide where there is a direct relationship between magnetite-(apatite) (MtAp) mineralization and iron oxide-copper–gold (IOCG) mineralization. The MtAp mineralization includes Ti-poor magnetite, fluorapatite, and actinolite and...
Microstructural analysis of a subhorizontal gold-quartz vein deposit at Donalda,Abitibi greenstone belt,Canada:Implications for hydrodynamic regime and flu... Microstructural analysis of a subhorizontal gold-quartz vein deposit at Donalda,Abitibi greenstone belt,Canada:Implications for hydrodynamic regime ...
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The AMG is located at depth (800–1450 m), and has a light blue color and a porphyritic texture, with phenocrysts comprising mainly quartz (10–15 vol%), K-feldspar (amazonite, 15–20 vol%), albite (10–15 vol%), and minor zinnwaldite (1–5 vol%). Quartz phenocrysts are an...
The resulting gold-bearing quartz veins are emplaced over a unique depth range for hydrothermal ore deposits, with gold deposition from 15–20 km to the near surface environment. On the basis of this broad depth range of formation, the term `mesothermal' is not applicable to this deposit ...