Epithermal Gold Deposit
Whole Rock Geochemistry of Host Rocks and K/Ar Age of Hydrothermal Mineral of the Co O Epithermal Gold Deposit, Mindanao, Philippines
... Co-O epithermal gold deposit in Minda- nao Island of the Philippines are herein ...Co-O gold deposit is of intermediate sulfidation epithermal Au (+Ag ± Cu ± Pb ± Zn) quartz vein ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... The Ladolam gold deposit, on Lihir Island, Papua New Guinea (Figs. 1.1, 1.2 and 1.3) has been classifi ed by previous workers as a giant, low-sulfi dation epithermal gold deposit ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... Ladolam gold deposit is located on Lihir Island, Papua New Guinea and is the world’s largest low sulfi dation, alkalic epithermal gold deposit in terms of contained ...Ladolam ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... There is not enough data for confi dent genetic interpretation but it is preliminarily interpreted. There are two possible interpretations. One interpretation is that the plant debris was burnt by a bush fi re prior to ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... The Luise amphitheatre is a 3.5 x 4 km elliptical depression. It has steep walls that rise to ~600 m above sea level and dip gently in the direction of the sea (Fig. 3.8). The north- eastern side of the amphitheatre is ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... subsequent epithermal-style alteration and mineralisation and associated hydrothermal fragmentation ...avalanche deposit is shown on the sea floor and the study area is show in the current near-surface ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... erratic gold grades from 1 to >60 g/t Au and extends from the base of refractory sulfi de ore to the extents of drilling (~700 m RL or 300 m below sea ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... Rytuba, J. J., McKee, E. H., and Cox, D., 1993, Geochronology and geochemistry of the Ladolam gold deposit, Lihir island, and gold deposits and volcanoes of Tabar and Tatau, Papua New Guinea: US ...
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Characteristics and origins of breccias in a volcanichosted alkalic epithermal gold deposit, Ladolam, Lihir Island, Papua New Guinea
... Major and trace element compositions of seven coherent lavas and intrusions (Table C.1) from the Luise volcanic block were analysed by X-ray fl uorescence (XRF) at the University of Tasmania. Two samples are from the ...
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Geochemistry and geochronology of the igneous suite associated with the Kelian epithermal gold deposit, Indonesia
... Chapter 3: Major and trace element geochemistry of the calc-alkaline igneous suite associated with the Kellan gold deposit; to describe the chemical characteristics of the igneous rocks,[r] ...
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Gold distribution at the E26 porphyry copper gold deposit, Goonumbla N S W
... Cu-Au mineralisation at E26 occurs in stockwork quartz veins and disseminations associated with potassic alteration which is intimately associated spatially and temporally with small fin[r] ...
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Gold and Silver Minerals and Conditions of Their Formation at the Dorozhnoye Deposit (Magadan Region, Russia)
... Dorozhnoye gold ore deposit differs from the deposits of the Yano-Kolymskyorogenic belt by means of its unusual geology and structure, specific alterations, native gold fineness (530‰ - 700‰), and ...
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Fluid processes in the Tesbihdere base-metal-Au deposit: Implications for epithermal mineralization in the Biga Peninsula, NW Turkey
... be due to less obvious solids being trapped and there does appear to be a correlation with Ca in the fluids. However, high K concentrations are possible in acid- sulphate fluids which are present at shallow levels in ...
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Gold deportment and geometallurgical recovery model for the La Colosa porphyry gold deposit, Columbia
... porphyry deposit are gravity concentration, flotation concentration, and cyanide ...the gold before the feed undergoes cyanide ...free gold at coarser grain sizes (Marsden and House, 2006 and Wills ...
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Ore controlling structure of gold deposit in southeast Guizhou
... Jinchangpo gold deposits), Moshan shear zone (with distribution of Moshan and Youmaao gold deposits), Pingqiu shear zone (containing Pingqiu gold deposit), Wengjiang shear zone (having Jiaoyun ...
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The Mt Carlton high-sulfidation epithermal deposit, NE Australia: geologic character, genesis and implications for exploration
... deposits, epithermal deposits, polymetallic (±Sn) vein or stockwork deposits linked to granites, and skarn deposits (Schwarz-Schampera and Herzig 2002; Höll et ...
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Geology and mineralisation of the Endeavour 41 gold deposit, Cowal district, NSW, Australia
... the deposit provide another line of evidence that they could have been sourced from volatile- rich intrusions that underlie the current level of exposed mineralisation at ...
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Geological Setting Of The New Discovering Gadir Low Sulfidation Epithermal Deposit, Gedabek Ore District, Lesser Caucasus, Azerbaijan
... Gadir lacustrine siliceous deposit. The sedimentary sequences of the lacustrine basin are in East of Gadir outcrop over an approximately 85000 m 2 area. The original size of the basin is not known because it is ...
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Tsygankoite, Mn 8Tl8 Hg 2(Sb21 Pb 2Tl)24S48 , a new
... Keywords: tsygankoite; new sulfosalt; thallium; crystal structure; Vorontsovskoe gold deposit.. Distributed under a Creative Commons CC BY license...[r] ...
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Mineralogy and Fluid Inclusion Microthermometry of Epithermal Gold-Base Metal Mineralization at Anggai, Obi Island, Indonesia
... It shows in Table 1 that sample with code ST.07.B is rich in gold (Au 30.80 ppm) and zinc (Zn 5.35%). This is a quartz vein sample hosted in the strongly greenish altered host rock. In hand specimen, the vein ...
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