high-sulfidation epithermal deposits
CHARACTERISTICS OF HIGH-SULFIDATION EPITHERMAL DEPOSITS, AND THEIR RELATION TO MAGMATIC FLUID
... In common among these models is an evolution from a main stage of acidic wallrock alteration (early) to a main ore-forming stage (late). The differences among the models mentioned ab[r] ...
36
The Martabe Au Ag high sulfidation epithermal deposits, Sumatra, Indonesia: implications for ore genesis and exploration
... At Purnama, the vuggy quartz zone has mainly developed from polymict- monomict breccia and porphyritic andesite of the Toru Volcanic Formation; while at Baskara and Kejora, the vuggy altered zone is predominantly hosted ...
352
Mineralogical distribution of germanium, gallium and indium at the Mt Carlton high-sulfidation epithermal deposit, NE Australia, and comparison with similar deposits worldwide
... in high demand due to their growing usage in high-tech and green-tech ...ore deposits remain poorly ...Carlton high-sulfidation epithermal deposit in NE Australia, using electron ...
28
Geology and genesis of the Cerro la Mina porphyry high sulfidation epithermal prospect, Mexico
... 6.2.5 Sulfide Imaging Laser mapping of pyrite, marcasite, enargite, chalcopyrite and sphalerite was done to observe trace element zoning. Sulfide imaging data and images are recorded in Appendix IV.2 and IV.3. The ...
250
The Mt Carlton high-sulfidation epithermal deposit, NE Australia: geologic character, genesis and implications for exploration
... HS deposits, and for the preservation of the shallow-water venting portion of the mineralizing hydrothermal ...its high enrichment in germanium, gallium and indium; three critical elements (Erdmann and ...
248
Geology and Genesis of the Multistage High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina
... many high-sulfidation deposits, gold enrichment is com- monly associated with late-stage veining, open-space filling, and/or hydrothermal breccias, in which enargite is commonly early and predates ...
28
Geology and genesis of the Permata Batu Badinding Hulubai and Kerikil Au Ag low sulfidation epithermal deposits, Mt Muro, Kalimantan, Indonesia
... cross-cut deposits are hosted by moderately to steeply west and east dipping, north-northwest ...cross-cut deposits also occur in the western part of the ...cross-cutting, high angle, north-northeast ...
368
The Tumpangpitu porphyry gold-copper-modlybdenum and high-sulfidation epithermal gold-silver deposit, Tujuh Bukit, Southeast Java, Indonesia
... of epithermal mineralization are inferred to be related to subsequent relaxation events characterized by a north-north-east-trending minimum compressive stress ...porphyry deposits of the Tujuh Bukit ...
368
Mineralogy, alteration, and sulfur isotope geochemistry of the Zehabad intermediate-sulfidation epithermal deposit, NW Iran
... of epithermal deposits occur within the Tarom- Hashtjin subzone of the Western Alborz-Azerbaijan volcano-plutonic arc in NW Iran (Nabavi, ...Eocene high-K calc-alkaline to alkaline intrusive bodies ...
20
Epithermal systems of the Seongsan district, South Korea an investigation on the geological setting and spatial and temporal relationships between high and low sulfidation systems
... of epithermal Au-Ag deposits have been recognised globally for the past 25 years or so, low-sulfidation or adularia-sericite systems and high-sulfidation or acid-sulfate ...of ...
28
Epithermal systems of the Seongsan district, South Korea an investigation on the geological setting and spatial and temporal relationships between high and low sulfidation systems
... the epithermal systems to further elucidate the mineral assemblages, paragenesis, fluid chemistry, P-T conditions of alteration development, and fluid and metal ...mineralised deposits and prospects ...
39
Epithermal systems of the Seongsan district, South Korea an investigation on the geological setting and spatial and temporal relationships between high and low sulfidation systems
... The Hms unit is texturally very similar to the sedimentary units of the Uhangri Formation (Fig. 2-3 Ums compared with Fig. 2-9 Hms). However, it is possible to distinguish Haenam Formation sediments (Hms) from Uhangri ...
59
Epithermal systems of the Seongsan district, South Korea an investigation on the geological setting and spatial and temporal relationships between high and low sulfidation systems
... clay-sulfate deposits at Seongsan and Ogmaesan (Chapter 1, Section ...Ogmaesan deposits with high-sulfidation or acid-sulfate epithermal systems ...where sulfidation of the host ...
67
Epithermal systems of the Seongsan district, South Korea an investigation on the geological setting and spatial and temporal relationships between high and low sulfidation systems
... fall deposits, volcaniclastic debris flow breccias, and alluvial-fan, fluvial and lacustrine sedimentary ...moat deposits, caldera fill ignimbrites of significant thickness, subsided and stoped/rafted ...
101
Epithermal systems of the Seongsan district, South Korea an investigation on the geological setting and spatial and temporal relationships between high and low sulfidation systems
... Ronacher, E., Richards, J. P., Villeneuve, M. E., & Johnston, M. D., 2002, Short life-span of the ore- forming system at the Porgera gold deposit, Papua New Guinea: laser 40 Ar/ 39 Ar dates for roscoelite, biotite, and ...
38
The Paleozoic Mount Carlton deposit, Bowen Basin, Northeast Australia: shallow high-sulfidation epithermal Au-Ag-Cu mineralization formed during rifting
... to high erosion rates in most volcanic arcs, the preser- vation potential of high-sulfidation deposits in older terranes is generally poor ...pre-Neogene, high-sulfidation ...
36
The genesis of the slab window-related Arzular low-sulfidation epithermal gold mineralization (eastern Pontides, NE Turkey)
... Hedenquist, J.W., Matsuhisa, Y., Izawa, E., White, N.C., Giggenbach, W.F., Aoki, M., 1994. Geology, geochemistry, and origin of high sulfidation Cu-Au mineraliza- tion in the Nansatsu District, Japan. Economic ...
13
Simmons Et Al., 2005. Geological Characteristics of Epithermal Precious and Base Metal Deposits
... In the past few years, the importance of magmas and tec- tonic setting, and their influence on metal inventories, sulfida- tion state of ore minerals, and styles of alteration and mineral- ization have been discussed ...
38
Mineralogy and Geochemistry of Gold Ore Low Sulfidation -Epithermal at Lamuntet, Brang Rea, West Sumbawa District, West Nusa Tenggara Province
... low sulfidation epithermal gold deposit ...vein deposits and determine system of low sulfidation gold ore in Nglampar, Lamuntet ...vein deposits are petrography, mineragraphy and X-ray ...
10
Epithermal and Porphyry Gold_Geological Models_Corbett_2004.pdf
... Other deposits are wholly controlled within permeable lithologies in volcanic sequences (Pierina, Peru; La Coipa ...Many high sulfidation deposits are associated with phreatomagmatic breccias ...
10