Placer Gold Recovery Methods
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Author |
: California Department of Conservation |
Publisher |
: |
Total Pages |
: 0 |
Release |
: 2016-04-09 |
ISBN-10 |
: 1365035654 |
ISBN-13 |
: 9781365035654 |
Rating |
: 4/5 (54 Downloads) |
Synopsis Placer Gold Recovery Methods - Special Publication 87 by : California Department of Conservation
This report provides practical, timely information on methods and equipment used in placer gold recovery. Included is detailed information on equipment, practices, recovery factors, efficiency, design, and, where available, costs. Selected gold recovery operations are described in detail. In addition, the reported efficiency and reliability of various types of equipment used today is presented. One notable method not described is the cyanide process, the recovery of gold through leaching with cyanide, a hazardous substance that must be handled with great care. The information presented herein applies to small as well as large placer mining operations. Recreational and independent miners will find information on available equipment and designs with some suggestions for improving recovery. Those intending to mine small to medium-sized placer deposits will find detailed descriptions of suitable equipment and recovery methods. Finally, those interested in byproduct gold recovery from sand and gravel operations...
Author |
: Michael Silva |
Publisher |
: Sylvanite Publishing |
Total Pages |
: 40 |
Release |
: 2014-12-01 |
ISBN-10 |
: 1614740372 |
ISBN-13 |
: 9781614740377 |
Rating |
: 4/5 (72 Downloads) |
Synopsis Placer Gold Recovery Methods by : Michael Silva
Placer Gold Recovery Methods - Michael Silva - This is a great little book put out by the California Division of Mines in the 1980's and now back in print by Sylvanite Publishing. It covers in detail all the methods used to recover placer gold such as Panning, Sluicing, Jigs, Centrifugal bowls such as the Knelson Concentrator, Belt Separators, Reichert Cones, Helixes, Shaking Tables and more. These are still the standard machines used today in most placer operations.
Author |
: Kevin Singel |
Publisher |
: Createspace Independent Publishing Platform |
Total Pages |
: 466 |
Release |
: 2018-05-26 |
ISBN-10 |
: 1719553467 |
ISBN-13 |
: 9781719553469 |
Rating |
: 4/5 (67 Downloads) |
Synopsis Finding Gold in Colorado - Prospector's Edition by : Kevin Singel
Travel guide book inspired by the gold prospecting origin of Colorado. Includes touring information on all the major towns founded as gold mining camps as well as summaries of each town's origin story. Includes reviews and recommendations on historic districts to visit, mines to tour, driving tours of ghost towns and places to gold pan. Includes information on 16 historic districts, 31 museums, 18 mines, 186 gold panning sites across the state of Colorado. Thoroughly researched to confirm public access to the panning sites (no private property or areas subject to mining claim has been included - unlike other books.)Written by a long-time Colorado resident and gold prospector. Based on years of research and field work.Get your share of the gold by prospecting for it in historic, urban, and remote locations across the gold districts of Colorado.
Author |
: Michael A. Silva |
Publisher |
: |
Total Pages |
: 44 |
Release |
: 1986 |
ISBN-10 |
: UCSD:31822006519862 |
ISBN-13 |
: |
Rating |
: 4/5 (62 Downloads) |
Synopsis Placer Gold Recovery Methods by : Michael A. Silva
Author |
: Norman L. Wimmler |
Publisher |
: |
Total Pages |
: 248 |
Release |
: 1927 |
ISBN-10 |
: UIUC:30112106723320 |
ISBN-13 |
: |
Rating |
: 4/5 (20 Downloads) |
Synopsis Placer-mining Methods and Costs in Alaska by : Norman L. Wimmler
Author |
: Dave McCracken |
Publisher |
: New Era Publications International Aps |
Total Pages |
: 278 |
Release |
: 2003-06-01 |
ISBN-10 |
: 0963601504 |
ISBN-13 |
: 9780963601506 |
Rating |
: 4/5 (04 Downloads) |
Synopsis Gold Mining in the Nineteen Nineties by : Dave McCracken
GOLD MINING IN THE 1990's--This one book outlines EVERYTHING a beginner will need & want to know about getting started at gold mining today, either as a hobby or as a small-scale commercial activity. In easy to understand language, supported by clear photographs & graphic demonstrations, this book covers all of the important subjects--including what gold is & looks like, where it comes from & where to find it, how gold deposits & how to find & recover it, & also touches on the legal aspects of how to claim the gold for yourself. The book covers the up-to-date mining procedures of panning gold, sluicing, dredging, high-banking, drywashing, electronic probing, hardrock mining, basic refining techniques, cleaning procedures, selling gold, & much, much more. Herein lies the most comprehensive & thorough work on electronic prospecting techniques (locating gold with metal detectors) available in any publication on the market today. Virtually an encyclopedia of modern gold mining techniques, there is no other book available more up to date, more simple to understand, or which covers the entire subject as thoroughly as this manual.
Author |
: Maureen G. Johnson |
Publisher |
: Forgotten Books |
Total Pages |
: 146 |
Release |
: 2017-11-18 |
ISBN-10 |
: 0331313766 |
ISBN-13 |
: 9780331313765 |
Rating |
: 4/5 (66 Downloads) |
Synopsis Placer Gold Deposits of Nevada (Classic Reprint) by : Maureen G. Johnson
Excerpt from Placer Gold Deposits of Nevada Following the discovery of placers at Gold Canyon, placer discoveries in Nevada were broadly in three periods: the 1860's to 1880's, when many small deposits throughout the State were discovered and sporadically worked and several large placers were discovered and extensively worked; the short period between 1906 and 1910, when very rich placers were dis covered at Lynn, Battle Mountain, Manhattan, and Round Mountain; the early 1930's, when economic conditions created by the depression caused a renewed interest in placer mining, and many individuals sought, and a few discovered, new placer areas throughout the State. The location of the placers described in this report is shown on plate 1. Very little factual information can be found about the early periods of placer mining in Nevada. For many placers, the only reports available are hearsay estimates of production and speculations about the extent of the placer ground based on remnants of placer pits, shafts, and other workings. Many of the placers said to have had a high production between 1860 and 1890 were worked by Chinese miners who came to Nevada dur ing the building of the railroads and stayed on to work at mining and other activities. The Chinese were reputed to be secretive with their earnings from the placers and did not ship the gold to the mint by Wells Fargo or other shippers. They worked the gravels very thoroughly in areas where American miners did not wish to expend great labor to win the gold. The placers in the Sierra and Spring Valley districts, Pershing County, were worked by Chinese miners; they have a very high estimated production before 1900 and a comparatively low known production since that time. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author |
: California. Division of Mines |
Publisher |
: |
Total Pages |
: 64 |
Release |
: 1940 |
ISBN-10 |
: STANFORD:36105032235124 |
ISBN-13 |
: |
Rating |
: 4/5 (24 Downloads) |
Synopsis ... Elementary Placer Mining Methods and Gold Saving Devices ... by : California. Division of Mines
Author |
: John Marsden |
Publisher |
: SME |
Total Pages |
: 688 |
Release |
: 2006 |
ISBN-10 |
: 0873352408 |
ISBN-13 |
: 9780873352406 |
Rating |
: 4/5 (08 Downloads) |
Synopsis The Chemistry of Gold Extraction by : John Marsden
Extensively revised and updated, this edition provides the broad base of knowledge required by all working in the gold extraction and gold processing industries. It bridges the gap between research and industry by emphasizing practical applications of chemical principles and techniques.
Author |
: Arthur William Fahrenwald |
Publisher |
: |
Total Pages |
: 604 |
Release |
: 1932 |
ISBN-10 |
: STANFORD:36105013232231 |
ISBN-13 |
: |
Rating |
: 4/5 (31 Downloads) |
Synopsis The Recovery of Gold from Its Ores by : Arthur William Fahrenwald