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Placer gold recovery methods e-book: $4.99
This report provides practical, timely information on methodsand equipment used in placer gold recovery. Included isdetailed information on equipment, practices, recovery factors,efficiency, design, and, where available, costs. Selectedgold recovery operations are described in detail. In addition,the reported efficiency and reliability of various types of equipmentused today is presented. One notable method not describedis the cyanide process, the recovery of gold through leachingwith cyanide, a hazardous substance that must be handled with great care.
CONCENTRATION OF PLACER GOLD ORE SMALL SCALE RECOVERY EQUIPMENT
Gold Pan
Rocker Construction
Assembly
Operation
Sluices Long Tom
Dip-Box Shaking Tables
Portable Processing Equipment Amalgamation
DRY PLACERS
Dry Washers
Air Tables (Oliver Gravity Separator)
MODERN RECOVERY EQUIPMENTPinched Sluice Systems Spiral Concentrators
Rotating Spirals
Helixes
Jigs
Fine Material Separators
Bartles-Mozely Separator
Bartles CrossBelt Separator
Centrifugal Concentrators
Bowls
Knelson Concentrator
Hammonton Dredge
Hansen Brothers - Hugh Fisher
Bear River
Greenhorn Creek
TRI-R Engineering - Stinson Mine
Placer deposits e-book $4.99
This e-book is 18 pages of the best info you will find for locating gold placer deposits. With illistrations.
Development of placer deposits
Downstream processes
Paystreaks and traps
Find burried paystreaks
Gold in terraces
Glaciation effects
Sampling hints
And more....
Rocker Box Plans $ 3.00
The Detailed Plans for Building a Rocker
The first part of this chapter discusses the operation and some of the uses of a rocker as well as a sketch of a rocker and some simple plans. It is conceivable, however, that some of our readers may want a more detailed plan of a rocker and the exact directions on how to go about building one. Although there are various sizes of rockers and a few slight variations in types, the one on which the plans and directions are given on the next two pages is a standard type rocker box. The average individual should, without too much difficulty, be able to build a reliable rocker from the diagrams and directions in this pdf file.
River Rocker Plans $ 3.00
Basic plans to build a hand operated river rocker device.