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Preliminary Reports on Iron Ore Deposits of the Iron Mountain District, Washington County, Idaho and Iron Ore Deposits in the Clearwater District, Idaho County, Idaho

J. Hoover Mackin

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Abstract

of Tonnage Estimates "Measured" "Indicated" Campbsll (magnetite (63% Fe) 12,000 tons 16,000 tons Standard '(specularite (55% Fe) 3,300 " 12,800 " Mortimer (magnetite (61% Fe) 3,600 " 34,000 " Abundance (red hematite (56% Fe) -. .Montana (magnetite (67% Fe) 2,000 " (red hematite (53^ Fe) 2,500"Inferred" Totals 30,000 tons 58,000 tons 44,900 " 61,000 " 34,000 " 71,600 " 45,000 " 45,000 " 2,000 " 4,000 " 2,500 " 5,000 " Totals ..........o.. a...., 18,900 tons 67,300 tons 158,400 tons 244,600 tons ORIGIN OF THE IRON DEPOSITSGeneral statement?There are three principal types of iron ore in the district, namely (1) ores made up chiefly of magnetite, (2) ores consisting of gray crystalline hematite, and (3) ores of hard earthy red hematite.

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of Tonnage Estimates "Measured" "Indicated" Campbsll (magnetite (63% Fe) 12,000 tons 16,000 tons Standard '(specularite (55% Fe) 3,300 " 12,800 " Mortimer (magnetite (61% Fe) 3,600 " 34,000 " Abundance (red hematite (56% Fe) -. .Montana (magnetite (67% Fe) 2,000 " (red hematite (53^ Fe) 2,500"Inferred" Totals 30,000 tons 58,000 tons 44,900 " 61,000 " 34,000 " 71,600 " 45,000 " 45,000 " 2,000 " 4,000 " 2,500 " 5,000 " Totals ..........o.. a...., 18,900 tons 67,300 tons 158,400 tons 244,600 tons ORIGIN OF THE IRON DEPOSITSGeneral statement?There are three principal types of iron ore in the district, namely (1) ores made up chiefly of magnetite, (2) ores consisting of gray crystalline hematite, and (3) ores of hard earthy red hematite.

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of Tonnage Estimates "Measured" "Indicated" Campbsll (magnetite (63% Fe) 12,000 tons 16,000 tons Standard '(specularite (55% Fe) 3,300 " 12,800 " Mortimer (magnetite (61% Fe) 3,600 " 34,000 " Abundance (red hematite (56% Fe) -. .Montana (magnetite (67% Fe) 2,000 " (red hematite (53^ Fe) 2,500"Inferred" Totals 30,000 tons 58,000 tons 44,900 " 61,000 " 34,000 " 71,600 " 45,000 " 45,000 " 2,000 " 4,000 " 2,500 " 5,000 " Totals ..........o.. a...., 18,900 tons 67,300 tons 158,400 tons 244,600 tons ORIGIN OF THE IRON DEPOSITSGeneral statement?There are three principal types of iron ore in the district, namely (1) ores made up chiefly of magnetite, (2) ores consisting of gray crystalline hematite, and (3) ores of hard earthy red hematite.

Key concepts: Iron ore, Geology, Mining engineering, Geochemistry, Archaeology, Geography

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Preliminary Reports on Iron Ore Deposits of the Iron Mountain District, Washington County, Idaho and Iron Ore Deposits in the Clearwater District, Idaho County, Idaho — Research Paper | ScholarLens