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Black Sand Survey Along the Pacific Coast.

Authors
Gomes-JM
Source
5th Annu Conf Alaskan Placer Mining Miner Ind Res Lab Rep 1983 (68):49-52
Link
NIOSHTIC No.
10003979
Abstract
The Bureau of Mines investigated the occurrence and recovery of byproduct gold and heavy minerals from west coast sand and gravel operations. Heavy mineral (black sand) concentrates were prepared from sand samples from 150 locations. Magnetite, ilmenite, zircon, chromite, rutile, radioactive minerals, platinum-group minerals, and gold were identified in many of the concentrates. Individual magnetite, ilmenite, zircon, chromite, rutile, thoria, platinum- group minerals, and gold products were prepared from selected concentrates. Low- and high-intensity magnetic, electrostatic, flotation, and amalgamation techniques were used to beneficiate the black sands.
Publication Date
19830101
Document Type
OP;
Fiscal Year
1983
NTIS Accession No.
NTIS Price
Identifying No.
OP 75-84
Issue of Publication
68
NIOSH Division
RERC;
Source Name
5th Annu. Conf. Alaskan Placer Mining, Miner. Ind. Res. Lab. Rep. No. 68, 1983, Pp. 49-52
State
AK; IN;
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