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Geology and Mineralization In the Highway 66 area

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

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  1. Geology and Mineralization In the Highway 66 area

  2. Geology and Mineralization in the Highway 66 Area • Outline • General Geology • Regional Structures • Mineralization

  3. Geology

  4. N Previous mapping Gerrie - 1946 Moore -1966 Lovell - 1972 Lovell - 1967 Jensen - 1991

  5. Major units N

  6. Komatiites 1 N

  7. Komatiites 2 N

  8. Intermediate metavolcanic rocks 1 N

  9. Alkalic metavolcanic rocks 1 N

  10. Alkalic metavolcanic rocks N

  11. Mafic alkalic intrusive rocks 1 N

  12. Structure • Effect of intrusions • Larder Lake – Cadillac Deformation Zone • N-S faults and reactivation

  13. CONTACT STRAIN N

  14. LARDER LAKE – CADILLAC DEFORMATION ZONE Brittle + Ductile Ductile N

  15. 1 SPLAY FAULTS Brittle + Ductile Ductile N

  16. N-S Faults Amikougami Fault Cross Lake Fault Montreal River Fault N

  17. N t l u a F i m a g u o k i m A Round Lake N 2 km 0

  18. Mineralization • Base metals • Cu-Ni-PGE’s • Gold

  19. Base metals Todora Cu Cu-Ag-Au N

  20. Cu-Ni-PGE N

  21. Cu-Ni-PGE N

  22. Cu-Ni-PGE ? N

  23. Gold Past producers N

  24. Gold Past producers N

  25. NW SE N

  26. Au?? Au?? N

  27. 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)

  28. Geological Road Kill on Highway 66 Or Things my Profs never taught me

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