Polishing characteristics and problems(d)

Silver-nickel-cobalt-arsenic-bismuth±uranium. The five metals association.(a,b)

Five metals-type silver association. The five metals association.(a-c)

Nickel-rich assemblages within Mississippi Valley-style mineralization(c,d,f)

Manganese minerals(c-f)

Chromite associations(a,c)

Magmatic iron-titanium ores(b-f)

Tin-niobium mineralization in granites(a,d,f)

Porphyry copper ores(a)

Porphyry copper and molybdenum ores(a)

Porphyry-style tin-tungsten-molybdenum ores(a-d)

Oxide placer deposits(e,f)

Fossil placer(b)