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Geology and Ore Deposits

Questions and comments related to geology, minerals and ore deposits, including their formation and exploration.

41 topics in this forum

  1. Sights and Sounds of Malakoff Diggins

    By Smithsgold,   
    • 0 replies
    • 157 views

  2. A drive through tour of Malakoff Diggins and North Bloomfield

    By Smithsgold,   
    • 0 replies
    • 57 views

  3. question on geothermal gold

    By wynpotter,
    • 1 reply
    • 1,609 views

  4. Is there really a vein here?

    By Harry Lipke,
    • 6 replies
    • 1,242 views

  5. Usgs Alaska Geologic Digital Map (New)

    By AkNugget,
    • 2 replies
    • 13,099 views

  6. Fisher Two-Box High-Voltage Vacuum Tube Metalloscope

    By Jim Straight,   
    • 14 replies
    • 3,369 views

  7. Red Waxy Clay

    By Rick N,
    • 4 replies
    • 1,441 views

  8. Magnometer To Survey 400 Acres Of Placer Ground?

    By Peter Freedman,   
    • 6 replies
    • 2,287 views

  9. March Issue Of Icmj

    By Rick N,
    • 58 replies
    • 6,922 views

  10. Terrane Convergence = Contact Zone?

    By Kev,
    • 8 replies
    • 2,938 views

  11. The Gravity Method

    By Geowizard,   
    • 14 replies
    • 4,717 views

  12. Seismic Method

    By Geowizard,   
    • 8 replies
    • 3,580 views

  13. Bison 500 Series Seismometer

    By Randall S,
    • 0 replies
    • 1,209 views

  14. Electromagnetic Survey

    By Geowizard,   
    • 1 reply
    • 2,031 views

  15. Resistivity

    By Geowizard,   
    • 4 replies
    • 2,485 views

  16. Need Some Mineral Id Help

    By IdahoJim,   
    • 5 replies
    • 1,818 views

  17. Rare Gems And Selling Prices Per Carat

    By Eric N,
    • 1 reply
    • 1,732 views

  18. Residual Magnetic Intensity

    By Geowizard,   
    • 19 replies
    • 3,076 views

  19. Moore Creek Geology

    By Geowizard,   
    • 96 replies
    • 13,187 views

  20. Wrangellia Survey

    By Geowizard,   
    • 8 replies
    • 3,045 views

  21. 7.7 Ounce Gold Crystal

    By chickenminer,
    • 3 replies
    • 2,364 views

  22. Reef Geology Theory

    By Clay,
    • 1 reply
    • 1,733 views

  23. Bison Model 7012 12 Channel Reflection/refraction Seismograph-Ebay

    By Randall S,
    • 1 reply
    • 3,173 views

  24. Az Aerial Survey

    By Au+,
    • 3 replies
    • 1,779 views

  25. Limestone Gold Relationship

    By Chuck,
    • 4 replies
    • 16,932 views
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