Bureau of Mines / Minerals yearbook: Area reports: domestic 1978-79
Year 1978-79, Volume 2 (1978-1979)
Lockard, D. W.; Bennett, E. H.
Idaho, pp. 163-175 ff. PDF (1.4 MB)
Mineral 3,676 $5,413 3,888 5,701 3,618 7,421 NA 100 NA 50 NA 60 1,912 20,492 3,966 24,140 7,423 42,872 29,016 44,761 33,256 42,636 49,479 W W 4,461 80,765 4,880 95,728 ' 7,750 ' 15,282 8,112 19,290 ' 7,719 218,149 163The Mineral Industry of Idaho This chapter has been prepared under a Memorandum of Understanding between the Bureau of Mines, U.S. Department of the Interior, and the Idaho Bureau of Mines and Geology, Idaho Department of Lands, for collecting information on all nonfuel minerals. By D. W. Lockard1 and E. H. Bennett2 The value of Idaho's nonfuel mineral production for 1978 was $299 million, and for 1979 it was $438 million. This dramatic increase in production values during the past 2 years was the result of rising metal prices, primarily gold and silver, and the lack of significant labor problems in the entire mineral sector. A 24-day strike at Hecla Mining Co.'s Lucky Friday Mine in 1978 was the only shutdown stemming from a labor-management controversy. Silver was the leading metallic mineral commodity in terms of revenue; it was followed, in descending order, by values of phosphate rock, lead, and zinc. Metallic minerals accounted for nearly 70% of total mineral revenues in both 1978 and 1979. Higher mineral prices prevailed through- out 1978 and into 1979, with dramatic increases shown in the latter half of the year. Of special importance were increased values of silver and gold with lesser increases in base metals (copper, lead, and zinc). Precious metals demand is expected to continue through 1980; it should favorably affect mining in the State since Idaho produces approximately 50% of the Nation's newly mined silver. Although governmental regulations had a dampening effect on the State's mineral industry, increased metal prices and strengthening markets were positive through 1978-79. Federal land-use classifications continued to affect exploration in several areasthroughout the State. Table l.—Nonfuel mineral production in Idaho1 Antimonyore and concentrate, antimony content short tona. Clays thousand short tons__ Copper(recoverable content of ores, etc.) metric tons~.. Gemstones Gold(recoverable content of ores, etc.) troy ounces... 12,894 Lead (recovera~1e content of ores, etc.)_ metric tons.._ Phosphate rock__ -- thousand metric ton& Sand and gravel - - - — thousand short ton& - See footnotes at end of table. 1977 1978 1979 - Value ~, - Value ~, - Value (thou- ~ (thou- ~ (thou sands) sands) sands) 446 W W W W W W W 27 $148 28 $263
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