the ores are complex with about 30 metallic and 20 nonmetallic minerals ...... fluorite from the Guilaizhuang gold deposit show that CO2 and CH4 are the dominant ...... (4), 1176â1188. Stuart, F.M., Burnard, P.G., Taylor, R.P., Turner, G., 1995.
Aug 21, 2018 - Dongping Deposit, North Hebei, China: Evidence ... Geological Testing Center, Hebei GEO University, Shijiazhuang 050031, China; ...
Davidson (Dyer, 1936; Hopper, 1942; Derry et al.,. 1948; North and Allen, ...... tectonic setting: Canadian Inst. Mining Metallurgy Conf., Hal- ifax, 1985, p. 87-100.
quartz-biotite-amphibole-titanite-epidote- carbonate-arsenopyrite-pyrrhotite ± chalcopyrite ± scheelite ± Au. Where these. Au-bearing zones are well developed, ...
Jul 11, 2008 - 9 million tons (Mt) of Cu metal, 0.2 Mt of Mo and 40 t of Au ...... Rui, Z.Y., Wei, H.A., and Ciren, L., 2007, Yulong deposit, eastern Tibet: A.
May 31, 2009 - rocks and granitoids exhibit flat mylonite-type ductile fabrics with consistent top-to-the-southwest sense of shear .... a classic area of gold mineralization and forms part of the ..... marbles of the Transitional unit (Fig 2; Chatzip
The Taurus South Au mineralization in the Bulong district is located at. 121º51'E
30º43'S, approximately 35 km E of Kalgoorlie on the Kurnalpi. 1:250 000 map ...
May 31, 2009 - humation history of the core complex host rocks. ...... asp qz-3 py qz-2. FIG. 6. Microphotographs of variably altered and mineralized siliceous ...
Southwestern Archaean Tanzanian cratonic margin, Lupa Goldfield, ... shear zone suggest that gold occurred relatively late in this hydrothermal history. The ca.
the Great Dyke (~2.58 Ga, Mukasa et al. 1998; Armstrong & Wilson 2000) was emplaced ~15 km east of the deposit. Gold mineralization is hosted by foliated, ...
Alteration at the Rundle Gold Deposit, Abitibi Subprovince, Ontario ... Department of Earth Sciences, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1.
2Department of Earth and Atmospheric Sciences, University of Houston, Texas, USA .... were used for the calibration of the instrument. ..... 1973), Ti-Si-Sr (Vermeesch, 2006) and Nb-Na-Sr .... 4a. Comparision of average major oxide data (in ppm) of t
Jun 8, 2008 - In the Eastern Desert of Egypt, numerous but small gold deposits are ..... (B) Large muscovite flakes embedded in a carbonate-rich matrix and ...
Investigation of gold and base metals mineralization and the petrochemical studies of the associated host rocks, Shagari Bala area, Skardu Gilgit-. Baltistan ...
Origin of Gold and Emerald mineralization in the Murchison Greenstone Belt, Kaapvaal. Craton, South Africa. M. Poujol 1, L.J. Robb 1 and J.P. Respaut 2. 1.
diopside-tremolite rocks with arsenic content from 4 to 8%. The ore zone has a ... and diopside tremolite calcite talc rocks of light green colour. They occur in ...
Feb 27, 2018 - rocks and determine their relative ages, marking principally the transgressions .... observed a collo-form texture that is in the center of metamorphic, porfiroblastic and ..... Melgarejo JC (1997) Atlas of Mineral Associations in Thin
laut â barat daya sepanjang sekitar 800 m, dengan bercak-bercak mangan ...... 4 Desember. 2010: 247-261. ORE. GANGUE. TEXTURES. 0. 100. 200. 300. 100.
These ore deposits belong to the Meso zoic metallogenic epoch. In recent years there has been growing interest in understanding the precise chronology of the ...
The graphite clots may be condensed methane (Rainer Newberry, written commun.) ..... Jim Reynolds (Fluid Inc., Den ve r) conducted preliminary qualitative fluid ...
D2 vein-halo-style actinolite-rich metasomatism occurred within or proximal to rocks of the Mg-Ca association (Fig. 3G). Mineralization in the Au-rich lenses is ...
These ore deposits belong to the Meso zoic metallogenic epoch. In recent years there has been growing interest in understanding the precise chronology of the ...
and Williams Creek deposits, west-central Yukon: Preliminary investigations. In: Yukon ..... to be entirely late in the alteration history, and is likely completely ...
Volcano-plutonic belts and gold-silver mineralization. Page 14. Tectonic structure of the region. Plutonic belts and gold mineralization. NORTH ASIA. CRATON.
Volcano-plutonic belts and gold-silver mineralization
Plutonic belts and gold mineralization
Tectonic structure of the region
Gold deposits gold-quartz associated with granitoids other types
NORTH ASIA CRATON
AMUR SUPERTERRANE
Cratons
Accretionary prisms
passive continental margins acrretionary prism terranes of subduction zones turbidite and schist terranes of transform plate boundaries metamorphic cores
Turbidite basins
Syn-strike-slip granitoids of transform plate boundaries JurassicCretaceous Early cretaceous
