Epithermal Mineralisation

1
Epithermal Mineralisation

• Silica-carbonates (Listwanites)

2
Serpentinization
Table 1.1 Chemical reactions involved in the
serpentinization process (O'Hanley, 1996).
3
Carbonatization
Table 1.2 Chemical reactions involved in the
alteration of serpentinite to listwanite
(O'Hanley, 1996 Ucurum, 1996).
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(No Transcript)
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Phase 1 Listwanites
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Listwanites fault contacts
7
Listwanite/Serpentinite thrust contact
8
Listwanite Slab
9
Fuchsite Alteration
10
Silica/pyrite Alteration
11
Carbonate alteration
12
Cinnabar
13
Geochemistryof major elements
14
Metal geochem
15
Gold behaviour
16
Petrogenesis flow diagram
17
Listwanite development