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Extraction processes for low-grade ores.

Authors
Kirby-RC; Barclay-JA
Source
Min Eng 1975 Jun; 27(6):42-47
NIOSHTIC No.
10009598
Abstract
The U.S. mineral supply picture is steadily deteriorating in light of declining domestic ore grades, environmental awareness, and changing energy use patterns. Research and development activity by the Bureau of Mines is directed toward the processing of lower grade resources to bridge a projected demand gap. Included is a discussion of research on nonmagnetic taconite, nonbauxitic alumina, copper, ilmenite, gold and silver, lead-zinc, phosphate and fluorine, and nickel.
CODEN
MIENAB
Publication Date
19750601
Document Type
OP; Journal Article
Fiscal Year
1975
NTIS Accession No.
NTIS Price
Identifying No.
OP 68-75
Issue of Publication
6
ISSN
0026-5187
NIOSH Division
WO
Source Name
Mining Engineering
State
DC
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