25 Introduction PORPHYRY and related deposits of copper, tungsten, tin, molybdenum, gold, and silver are associated spatially and temporally with granitic (s.l.) rocks (Seedorff…
MINERALOGICAL MAGAZINE, MARCH 1985, VOL. 49, PP. 7-23 THE HALL IMOND LECTURE 1984 Granites and hydrothermal ore deposits: a geochemical framework HANS P. EUGSTER Department…
Mineral Resources Mineral Resources What is a mineral resource? Any [ ] of naturally occurring material in or near the Earthâs crust. Can be extracted and processed affordably…