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Mining Books

Gold Dredger's Handbook Mining Prospecting

$12.95

Gold Dredger's Handbook Mining Prospecting

$12.95
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Gold Dredger's Handbook

How to Find a lot of Gold Using a Suction Dredge

by Dave McCracken

Probably the Bible on Gold Dredging from a guy who has found thousands upon thousands of ounces of Gold using a Suction Dredge. In this book he covers all the techniques, equipment, safety, where to look and more. Probably the best overall book on the subject.

Contents:

Introduction

Chapter 1 - Legal Access

Chapter 2 - Placer Geology

  • Lodes
  • Residual Deposits
  • Eluvial Deposits
  • Bench Deposits
  • Stream Placers
  • Larger Gold Traps, Pay-Streak Areas
  • The Path that Gold Follows
  • Where the Streambed Widens
  • Ancient Rivers
  • Flood Gold
  • Gravel Bar Placers
  • False Bedrock

Chapter 3 - The Origin of River Beds

  • Hard-packed Streambed
  • Loose Material
  • Tailings

Chapter 4 - Suction Dredge Systems

  • Flotation
  • Engine and Pump
  • Jet Systems
  • Nozzle - Jet
  • Power - Jet
  • Couple - Jet
  • Recovery System
  • Air System
  • Dredge Sizes
  • Underwater Dredges
  • Subsurface Dredges
  • Dredge Capacities
  • Other Dredging Equipment
  • Extra Tools and Parts

Chapter 5 - Dialing in your Recovery System

  • Classification is Important
  • Testing a set of riffles
  • Triple-Sluice Recovery System
  • Double Sluice Recovery System
  • Screened-over Riffles
  • High-Grade Riffles
  • Flared Jets
  • Alaskan Dampers
  • Miners Moss
  • Making Adjustments

Chapter 6 - Dredging for Gold

  • Setting up your Dredge
  • Dredging Procedure
  • Dredging up Pay-Streaks
  • Fine Gold Pay-Streaks
  • Protective Suits
  • Diving Weights
  • How Fast to Run your Dredge
  • Moving Boulders
  • Nitpicking
  • Loss of Power: Troubleshooting
    • Plug-ups
    • Plugged-Up Pump Intake
    • Clogged Pump Impeller
    • Air Leak in the Primer
    • Water Leak in the Pressure Hose
    • Holes in the Suction Hose
  • There is more to Learn!

Chapter 7 - Dredging Safety

  • Diving Safety
    • Ears
    • Tight-Fitting Hoods
    • Ear Plugs
    • Sinuses
    • Lung Cavities
    • Bends
    • Summary of Diving Safety
  • Other Tips on Dredging Safety
    • The Buddy System
  • Dredging in Swift Water

Chapter 8 - Sampling for High-Grade Gold Deposits

  • Dredge Size
  • Choosing and Area to Sample
  • Gathering Data
  • "No Gold"
  • Dredging a Sample Hole
  • Sampling Procedure
  • Depth of Material Sampling

Chapter 9 - Moving Gear, Crossing Rivers & Rigging Dredges

  • Crossing Rivers
  • Getting a Rope and Gear to the Other side
  • Rigging Dredges

Chapter 10 - Final Clean-up and Recovery of you Gold

  • When to do a Clean-up
  • Dumping Off
  • Gold Panning Procedure
  • Panning Down all the way to Gold
  • Final Dry Separation
  • Cleaning Gold
  • Selling Gold

Chapter 11 - Tricks of the Trade

Glossary

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