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Recovery of Heavy Minerals from Alabama Sand and Gravel Operations.

Authors
Sullivan-GB; Browning-JS
Source
NTIS: PB 190 997 :14 pages
Link
NIOSHTIC No.
10009726
Abstract
The Bureau of Mines studied 25 samples from 15 Alabama sand and gravel operations to determine their heavy mineral content. All of the samples contained some heavy minerals (4 to 188 pounds per ton), and 80 percent contained 20 or more pounds of heavy minerals per ton of sand and gravel. Valuable heavy minerals, in order of decreasing amounts, were ilmenite, kyanite, zircon, rutile, and monazite. Large-scale concentration tests were made on samples from three of the state's major producers.
Publication Date
19700101
Document Type
IH;
Fiscal Year
1970
NTIS Accession No.
PB-190997
NTIS Price
A03
Identifying No.
TPR 22
NIOSH Division
TURC;
Source Name
NTIS: PB 190 997
State
AL;
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