• top-banner
  • top-banner

Additional Information

Additional Information

Account Navigation

Account Navigation

Currency - All prices are in AUD

Currency - All prices are in AUD
 Loading... Please wait...
Mining Books

Prospecting Operating Small Gold Placers Mining Rare

$39.95

Prospecting Operating Small Gold Placers Mining Rare

$39.95
Weight:
0.00 LBS
Shipping:
Calculated at checkout
Current Stock:
Out of stock
Quantity:

Out of Stock

Share

Product Description

Prospecting and Operating Small Gold Placers<></>

by

William F. Boericke

1936

Rare! One of the great publications on the subject of Placer Mining. Covers all aspects of running a small placer from finding, to trommels, to wifley tables etc.

Contents:

  1. How Placer Deposits Have Been Formed
    • Saprolite deposits
    • Conditions under which a true placer is formed
    • Bench Placers
    • Bar Placers
    • Other Types of Placers
    • Appearance of gold in stream placers
    • Favorable Placers to Prospect
    • Positions of the Pay-Streak
    • Suggestions for Prospecting
    • Flood Gold
  2. Examining Placer Ground, Hints on Prospecting
    • Test Pits
    • Hints on Sampling
    • Character of Gravel
    • Fire Assays
    • Character of gold in placers
    • Fineness of gold
    • Water Supply and dumping ground
    • Business Sense in mining
    • Dredging Ground
    • Hints for Prospecting
    • Equipment for Prospecting
    • Best Places to Prospect
    • Bedrock Crevices
    • Re-Sorted Placers
  3. Panning, Properties of Gold and Black Sands, Estimating the Value of Colors
    • The Gold Pan
    • The Batea
    • How to use the Pan
    • Using a Magnet and Blowbox
    • Using a copper-amalgamated pan
    • Amalgamating gold with Mercury
    • How much gravel can be panned per day
    • Properties of Gold
    • Minerals associated with Placer Gold
    • Black Sands
    • Estimating size and value of colors
    • Classification of gold particles by screen sizes
  4. The Rocker: Its Construction and Operation
    • Rocker dimensions and construction details
    • Hopper Box
    • Apron
    • Riffle Board Arrangement
    • Knock-down Rocker
    • Rocker Operation
    • Cleaning Riffles
    • Water needed for rocking
    • Ridding gravel of clay
    • Steel Rocker
  5. General Information on Sluicing
    • Estimating water flow
    • Grade for Sluicing
    • Carrying power of water
    • Sluice head
    • Number of Sluice Boxes Needed
    • Mud box Construction
    • Tailings Disposal
  6. Sluice Box Construction. The Long-Tom. Types of Riffles
    • Butt-end and telescopic sluice boxes
    • The long-tom
    • Operating a long-tom
    • Riffles and their functions
    • Pole riffles
    • Block riffles
    • Rock riffles
    • Cross riffles
    • Hungarian riffles
    • Floor linings
    • Rubber riffles
    • Number of riffles needed
  7. Methods of Working Placer Ground
    • Ground Sluicing
    • Booming
    • Shovelling - in
    • Transporting gravel to the sluice boxes
    • Hydraulicking
    • Hydraulicking with canvas hose
    • "Blowing-Down"
    • Other methods of working placer ground
    • Instances of placer work in Nevada
    • A small Arizona operation
  8. Cleaning-Up. Recovery of Find Gold From Black Sands. Undercurrents and Similar Devices
    • Procedure in cleaning-up sluice boxes
    • Treatment of bucket concentrates
    • The Berdan Pan
    • Undercurrents
    • Construction of undercurrents
    • Riffle arrangement on distributing tables
    • Caribou Riffle
    • Saving Fine Gold on Snake River
    • A Black Sand Trap
  9. Use of Mercury in Placer Mining. Amalgamation. Retorting
    • Using Mercury in Slucie Boxes
    • Amalgamation - what takes place
    • Treatment of Amalgam
    • "Sickened" and "floured" mercury
    • Preparing an amalgamated plate
    • Properties of Mercury
    • Treating small amounts of amalgam
    • Retorting amalgam
    • Refining Retorted Gold
  10. Dry Placers
    • Occurrence of gold in dry placers
    • Conditions for working dry placers
    • The Quenner crusher for cemented gravel
    • The Mexican dry washer
    • Operation of a dry washer
    • Capacity and performances
    • Difficulties in dry washing
  11. Placer Mining Machines
    • The Denver Mechanical Gold Pan
    • The G-B Placer Machine
    • The W.S.C Placer Mill
    • Bendelari Diaphram Jig-Bulolo Type
    • Portable Large Scale Washing Plants
    • Stacker Scow and excavator for Dredging Ground
  12. Location of Placer Mining Claims. Leasing. Sale of Placer Gold. Selling a Placer Property.
    • Public Lands open for location
    • Locating a claim
    • Leasing
    • Sale of Placer Gold
    • Selling a Placer Property

Happy Prospecting



Product Reviews

Find Similar Products by Category