Page 66 - Introduction to Mineral Exploration

3: MINERAL DEPOSIT GEOLOGY AND MODELS 49

Besshi massive sulfide 24b
Volcanogenic Mn 24c
Blackbird Co-Cu 24d
(Komatiitic Ni-Cu) (6a)

G. Felsic-mafic extrusive rocks
Subaerial
Deposits mainly within volcanic rocks
Hot-spring Au-Ag 25a
Creede epithermal vein 25b
Comstock epithermal vein 25c
Sado epithermal vein 25d
Epithermal quartz-alunite Au 25e
Volcanogenic U 25f
Epithermal Mn 25g
Rhyolite-hosted Sn 25h
Volcanic-hosted magnetite 25i
(Sn polymetallic veins) (20b)
Deposits in older calcareous rocks
Carbonate-hosted Au-Ag 26a
Fluorspar deposits 26b
Deposits in older elastic sedimentary rocks
Hot-spring Hg 27a
Almaden Hg 27b
Silica-carbonate Hg 27c
Simple Sb 27d
Marine
Kuroko massive sulfide 28a
Algoma Fe 28b
(Volcanogenic Mn) (24c)
(Volcanogenic U) (25f)
(Low-sulfide Au-quartz vein) (36a)
(Homestake Au) (36b)
(Volcanogenic U) (25f)

Sedimentary rocks

H. Clastic sedimentary rocks
Conglomerate and sedimentary breccia
Quartz pebble conglomerate Au-U 29a
Olympic Dam Cu-U-Au 29b
(Sandstone U) (30c)
(Basaltic Cu) (23)
Sandstone
Sandstone-hosted Pb-Zn 30a
Sediment-hosted Cu 30b
Sandstone U 30c
(Basaltic Cu) (23)
(Kipushi Cu-Pb-Zn) (32c)
(Unconformity U-Au) (37a)