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Evaluating Ore Bodies for Leaching With Permeability Measurements.

Authors
Chamberlain-PG
Source
Pres At Ann Mtg Soc Min Eng AIME New Orleans Louisiana 1979 Feb; :14 pages
Link
NIOSHTIC No.
10009869
Abstract
Many mining engineers considering in-place leaching for the first time are uncertain as to how to evaluate ore bodies for potential leachability. Evidence presented in this report emphasizes the critical role of permeability in such evaluations. Whether an engineer is considering leaching "tight" formations typified by the porphry copper deposits of the southwest or the permeable uraniferous sandstones of Texas and Wyoming, permeability measurements are the keystone of any testing program. Permeability tests range from cheap and easy to highly expensive and sophisticated operations. Constant head, variable head, and pumping tests all have application in evaluating ore bodies for in-place leaching. Costs of these tests will not unduly deflate the pocketbooks of most mining companies. The basic procedures for selecting and running these field tests--including preparing suitable wells--are reviewed for the benefit of newcomers to in- place leaching.
Publication Date
19790201
Document Type
OP;
Fiscal Year
1979
NTIS Accession No.
NTIS Price
Identifying No.
OP 63-79
NIOSH Division
TCRC;
Source Name
Pres. At Ann. Mtg. Soc. Min. Eng., AIME, New Orleans, Louisiana, Feb. 18- 22, 1979, SME Preprint 79-27
State
LA; TX; WY;
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