Advanced Prospecting and Detecting for Hardrock Gold
Table of Contents
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1. Introduction
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1
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2. Basic Types of Gold Placers
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5
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3. Eluvial and Alluvial Placers
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9
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4. Genesis
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9
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5. Three Types of Ore Deposits
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10
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6. Characteristics of Gold
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16
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7. Poor Placer Gold Recovery
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17
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8. Hot Water Alteration
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20
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9. Weathering Processes
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20
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10. Supergene Enrichment
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23
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11. Character of Hardrock Gold
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24
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12. The Classification of Igneous Rocks
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25
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13. "Hit and Miss" Prospecting
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28
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14. Stay Out of Old Mines
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28
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15. Lost Mines
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30
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16. Detecting Around Old Hardrock Free-Milling Gold Workings
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31
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17. The Eastern States
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33
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18. How to Detect for Gold Ore and Float
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33
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19. Ground Effects
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33
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20. Free Quartz Float
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35
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21. Nuggetshooting in the California Mother Lode
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35
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22. Notes on Prospecting in Altered Areas for Pocket Gold
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40
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23. Research Tips
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55
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24. Warning!
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56
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25. Tips to Better Detecting
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56
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26. Prospecting Tips
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58
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27. Even More Nuggetshooting Tips
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59
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28. Nuggets, Specie and Gold Veins
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69
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29. Gossans and Laterities
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69
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30. Mid-Range Eluvial Nuggets
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72
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31. The Beginning of Modern Placers
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73
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32. Conclusion
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74
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Glossary
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75
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References
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80
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Charts and Illustrations
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