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Geology and Mineralization In the Highway 66 area. Geology and Mineralization in the Highway 66 Area. Outline General Geology Regional Structures Mineralization. Geology. N. Previous mapping. Gerrie - 1946. Moore -1966. Lovell - 1972. Lovell - 1967. Jensen - 1991. Major units. N.
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Geology and Mineralization In the Highway 66 area
Geology and Mineralization in the Highway 66 Area • Outline • General Geology • Regional Structures • Mineralization
N Previous mapping Gerrie - 1946 Moore -1966 Lovell - 1972 Lovell - 1967 Jensen - 1991
Komatiites 1 N
Komatiites 2 N
Structure • Effect of intrusions • Larder Lake – Cadillac Deformation Zone • N-S faults and reactivation
LARDER LAKE – CADILLAC DEFORMATION ZONE Brittle + Ductile Ductile N
1 SPLAY FAULTS Brittle + Ductile Ductile N
N-S Faults Amikougami Fault Cross Lake Fault Montreal River Fault N
N t l u a F i m a g u o k i m A Round Lake N 2 km 0
Mineralization • Base metals • Cu-Ni-PGE’s • Gold
Base metals Todora Cu Cu-Ag-Au N
Cu-Ni-PGE ? N
Gold Past producers N
Gold Past producers N
NW SE N
Au?? Au?? N
Summary • More subdivision of rock types – New interpretations • Better location and description of major structures • Better linkage between mineralization, geology and structure – including • Recognition of VMS alteration • 3 styles Au mineralization • Proterozoic Au (remobilization)
Geological Road Kill on Highway 66 Or Things my Profs never taught me