Quartz

Polishing characteristics and problems(c,e,f)

The effects of tarnishing and carbon coating(b,c)

Slightly mineralized granites(c,f)

Tin-niobium mineralization in granites(a-d)

Cassiterite, zircon and thorites in greisenized granite(a,b)

Minor sulphide mineralization in granite(c)

Quartz-sulphide vein mineralization(a)

Porphyry copper ores(b,d,f)

Porphyry copper and molybdenum ores(a,d-f)

Massive sulphides in ophiolites(f)

Massive sulphides within ophiolites(b,e)

Metamorphosed volcanogenic sulphides(c,d,f)

High-temperature tin-tungsten-bismuth mineralization(f)

Copper, iron and low temperature tin mineralization(a)

Arsenopyrite-bearing associations(b-d,f)

Tetrahedrite-tennantite-bearing copper-silver mineralization(c-e)

Five metals-type silver association. The five metals association.(b,e,f)

Gold and base metal vein association(a-c)

Tellurides associated with gold mineralization(a,b)

Unmineralized sandstones(a)

Fossil placer(b,d)

Iron formations and bauxite(d)

Supergene enrichment of copper ores(a-f)

Clastic-hosted copper ores(d-f)

Red bed copper-lead-zinc mineralization(a-f)

Carbonate-hosted base-metal mineralization(a,b)

Carbonate-hosted lead-zinc deposits(c)

Mississippi Valley-style lead-zinc deposits(a-c,f)

Nickel-rich assemblages within Mississippi Valley-style mineralization(b)

Non-mineralized metamorphic rocks(e,f)