About 10 6 kg (>30 Moz) of gold have been recovered from skarn deposits. These occurrences can be subdivided into five major skarn types: gold, iron, copper, porphyry copper, and lead …

1991年1月1日 · Gold-bearing skarns are generally calcic exoskarns associated with intense retrograde hydrosilicate alteration. These skarns may contain economic amounts of numerous …

Gold skarns are defined as skarn deposits in which gold is the primary or dominant economic metal present. The following features should be noted about these deposits: They occur …

8. Abbreviations used in tables 38 Gold-bearing skarns in which gold and silver are major commodities exploited 40 Gold-bearing skarns in which gold and silver are byproduct …

1999年9月1日 · The middle and lower Yangtze River Valley and adjacent regions are the most important metallogenic belt of gold (and copper)-bearing skarn deposits in China. The total …

At Copper Canyon, gold-bearing skarns are present in a widespread 39–Ma skarn-related, porphyry copper system, including the Fortitude gold skarn (approximately 2 million oz Au, …

2007年11月2日 · The term "gold skarn" is used here in the economic sense suggested by Einaudi et al. (1981) and refers to ore deposits that are mined solely or predominantly for gold and …

2004年5月1日 · The scheelite-bearing Archean gold skarns share characteristic features such as gangue-sulfide mineralogy and granite association with the deep-seated (150–250 MPa), …

2023年4月23日 · Skarn deposits are economically important valuable sources, which metals such as tungsten, manganese, gold, copper, zinc, nickel, lead, molybdenum and iron. A skarn is …

2007年4月1日 · Skarn (or skarn-type) gold deposits can be divided into gold only, copper– (gold), copper–iron– (gold) and lead–zinc– (gold), with gold only skarn as the most attractive …