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Mining Books

Gold Mining in the 21st Century Prospecting Geology

$19.95

Gold Mining in the 21st Century Prospecting Geology

$19.95
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Gold Mining in the 21st Century - The Complete Book of Modern Gold Mining Procedures

by

Dave McCracken

Contents:

Chapter 1 Gold -- What Is It

  • Gold Fever
  • Source of Gold
  • Pureness of Native Gold
  • Indication of Gold Content
  • Measuring Gold by Weight
  • Troy-Gram Conversion Table
  • Fool's Gold
  • Glitter Test
  • Hardness Test
  • Acid Test
  • Platinum
  • Silver

Chapter 2 - Placer Geology

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

Chapter 3 - Where to Find Gold

  • The Legal Aspects
  • Locating Gold-bearing Ground
  • Geological Reports and Maps
  • Using Topographical Maps
  • Application of Gold-finding Information
  • Accessibility
  • Below Old Hydraulic Mines
  • Construction Cuts
  • Natural Erosive Cuts
  • Lake Bed Deposits
  • Beach Deposits
  • Ancient Beaches

Chapter 4 Panning for Gold

  • Types of Gold Pans
  • Square/Rectangular Gold Pans
  • The Gold Pan as a Production Tool
  • Gold Panning Procedure
  • Black Sands in Panning
  • Practice Gold Panning
  • Vack-mining
  • Cleaning-up Sluice Box Concentrates

Chapter 5 Sluicing for Gold

  • Sluice Box History
  • Modern Riffles
  • Setting the Proper Water Velocity
  • Pumping Water to a Sluice
  • Classification of Material
  • Hydraulic Concentrators
  • When to Clean-up
  • Triple-Sluices
  • Tools Needed
  • Building a Simple Sluice
  • Plastic Sluices

Chapter 6 Dredging for Gold

  • What a Gold Dredge is
  • Flotation
  • Pump/Engine Units
  • Jet Systems
  • Nozzle-jets
  • Power-jets
  • Couple-jets
  • Recovery Systems
  • Air Breathing Systems
  • Setting up a Gold Dredge
  • Dredge Sizes
  • Underwater Dredges
  • Subsurface Dredges
  • Dredge Capacities
  • Protective Suits
  • Other Dredging Equipment
  • Dredging Safety
  • Diving Safety
  • Ears
  • Tigh Fitting Hoods
  • Ear Plugs
  • Sinuses
  • Lung Cavities
  • Bends
  • Summary of Diving Safety
  • Other Tips of Dredging Safety
  • Clearing Water from Mask Underwater
  • The Buddy System of Gold Dredging
  • Winching Boulders
  • Extra Tools and Parts
  • How Fast to Operate your Dredge
  • Dredging Procedure
  • Troubleshooting
  • Loss of Suction Power
  • Plugged-Up
  • Plug-ups
  • Pump Intake
  • Clogged Pump Impeller
  • Air Leak in Pressure Hose
  • Holes in Suction Hose
  • There is more to Learn about Dredging

Chapter 7

  • Cleaning Gold
  • Amalgamation
  • Caution: Mercury Vapors
  • Caution: Nitric Acid
  • Vaporizing Small Amounts of Mercury
  • Retorting
  • Precautions: Retorting
  • Potato Retorting
  • Half Potato Method
  • Burning of Mercury with Nitric Acid
  • Chemical Retorting
  • Interesting Information
  • Selling Gold

Chapter 8

  • Winnowing-Oldest Form of Dry-Washing
  • Dry-panning
  • Dry-pan Sampling
  • Dry Placering on a Production scale
  • Dry-washing Plants
  • Setting up a Dry-Washer
  • Dry-washing and Clay Like Material
  • Desert Placer Geology
  • Desert Safety

Chapter 9 Lode Mining Basics

  • Finding Lodes
  • Researching Mining Records
  • Sampling a Lode
  • Development of a Lode Mine
  • Caution: Lode Mines and Gasoline Engines

Chapter 10 Electronic Prospecting

  • Beat Frequency Oscillator
  • Gold Targets
  • Depth Capabilities
  • Very Low Frequency Detectors - VLF
  • Multi-purpose Detectors
  • Drills
  • Helpful Tips on Tuning
  • Setting Sensitivity
  • Ground Balancing
  • Other Important factors to Consider when buying
  • Headphones
  • Other Helpful Equipment
  • Prospecting with a Metal Detector
  • Pinpointing
  • Pinpointing with the Gold Pan in Wet Areas
  • Dry methods of Pinpointing
  • Hot Rocks

Chapter 11 Gold Mining Procedure - Wrapping It All Up

  • Sampling -- its Purpose
  • Crevicing (Sniping)
  • Mossing
  • A Few More Tips about Procedure
  • Hunting for Pocket Gold
  • Drift Mining
  • The Game of Gold Mining

Great book probably the most complete on everything you need to know about mining. Written by a guy who has found thousands upon thousands of ounces of Gold!

Happy Hunting!




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