Epithermal deposits in South China Geology geochemistry
The principal geological characteristics of epithermal deposits in the SCB are listed in Table 1 In this section seven representative deposits in different metallogenic belts
The principal geological characteristics of epithermal deposits in the SCB are listed in Table 1 In this section seven representative deposits in different metallogenic belts
Epithermal deposits are important sources of gold and silver that form at < km depth and <300°C in high temperature mainly subaerial hydrothermal systems
General characteristics of the epithermal gold deposits in eastern China Some epithermal deposits such as Zijinshan and Bitian in Fujian and Longtoushan in Guangxi
Simmons SF White NC and John DA 2005 Geological characteristics of epithermal precious and base metal deposits In Hedenquist JW Thompson JFH Goldfarb RJ
Based on the characteristics of many epithermal deposits it is possible to distinguish mineralization produced by two contrasting deep fluids having re spectively near
Most deposits are mined on an ad hoc basis by individuals or groups lacking technical resources Consequently there is an excellent opportunity for discovery of new
Low and high sulfidation and hot spring epithermal gold deposits are dealt with as one genetic gold class Alkalic epithermal and porphyry gold deposits are dealt with as a separate gold
The deposition of 10 LS epithermal deposits in Java took place in the time span between 16 Ma Early Miocene and 2 Ma Pleistocene All deposits/prospects exhibit typical
The above factors allow a common genetic framework to be established for epithermal deposits The general model involves interaction of deeply penetrating ground waters and magmatic
The Kematu Au Ag epithermal deposit at Tboli area Province of South Cotabato Mindanao Philippines contains an inferred mineral resource of million tonnes at
In general however geothermal drilling ignores the upper few hundred meters of the active systems and drill sites are situated well away from natural features such as hot springs or
4 Ore deposits Classification vs Modeling Each ore deposit is unique like a person s finger print This uniqueness arises out of ¾fundamental differences in processes and
Low and high sulfidation and hot spring epithermal gold deposits are dealt with as one genetic gold class Alkalic epithermal and porphyry gold deposits are dealt with as a
However very few true epithermal deposits are known in ophiolite environments Sillitoe & Hedenquist 2003 and the West Bleida area generally lacks the geological context
Semantic Scholar extracted view of "Characteristics and genesis of epithermal gold deposits" by D Cooke et al Skip to search form Skip to main content Skip
Geological and geochemical characteristics of the epithermal deposits are summarized and metallogenic trends are revealed The ore forming fluid systems were
Three distinctive groupings of epithermal deposits were recognized from a literature study of fifteen well described precious and base metal epithermal districts supplemented by L J
Request PDF Epithermal deposits in North Xinjiang NW China The North Xinjiang region NW China is an important part of the Central Asia Orogenic Belt situated at
Figure 2 Cross section of alteration zones characteristic of high sulfidation deposits as observed at the Summitville Au Cu deposit Colorado Diagramat left simplified from Steven &
