On the source of orogenic gold | Geology | GeoScienceWorld
Orogenic gold deposits (Böhlke, 1982) dominantly form in metamorphic rocks in the mid to shallow crust (5–15 km depth), at or above the brittleductile transition, in compressional settings that facilitate transfer of hot goldbearing fluids from deeper levels (Goldfarb et al., 2005; Groves et al., 1998; Phillips and Powell, 2009).The term "orogenic" is used because these deposits ...