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Monday, May 18, 2020 | History

2 edition of Classification and tabling of difficult ores with particular attention to fluorspar found in the catalog.

Classification and tabling of difficult ores with particular attention to fluorspar

Coghill, William Hawes

Classification and tabling of difficult ores with particular attention to fluorspar

by Coghill, William Hawes

  • 324 Want to read
  • 6 Currently reading

Published by U.S. Govt. print. off. in Washington .
Written in English

    Subjects:
  • Ore-dressing.,
  • Fluorspar.

  • Edition Notes

    ContributionsUnited States. Bureau of Mines., University of Missouri. School of Mines and Metallurgy.
    Classifications
    LC ClassificationsTN1 .U6 no. 456
    The Physical Object
    Paginationii, 40 p.
    Number of Pages40
    ID Numbers
    Open LibraryOL6748617M
    LC Control Number30026020
    OCLC/WorldCa29103669

    PRINCIPLES OF MINING. VALUATION, ORGANIZATION AND ADMINISTRATION COPPER, GOLD, LEAD, SILVER, TIN AND ZINC BY HERBERT C. HOOVER Member American Institute of Mining Engineers, Mining and Metallurgical Society of America, Société des Ingénieurs Civils de France, Fellow Royal Geographical Society, etc.   Increasing demand for metals caused by global economic growth and exploitation of shallow mineral deposits forces mineral extraction to go deeper. A direct consequence of this development is an increase in rock pressure-related mining problems. The role of rock engineering in the design and operation of deep mines is discussed in detail. Critical issues Cited by:

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Classification and tabling of difficult ores with particular attention to fluorspar by Coghill, William Hawes Download PDF EPUB FB2

University of Missouri. School of Mines and Metallurgy. Books from the extended shelves: School of Mines and Metallurgy: Classification and tabling of difficult ores: with particular attention to fluorspar / (Washington, D.C.: U.S. Dept. of Commerce, Bureau of Mines. Catalog Record: Classification and tabling of difficult ores: with particular attention to fluorspar | HathiTrust Digital Library Skip to main Skip to similar items.

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Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF belongs to the halide crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 4 as Fluorite.

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Fluorspar: its mining, milling, and utilization with a chapter on cryolite, classification, tabling, and flotation tests of coals presenting difficult washing problems, with particular reference to coals from Pierce County, Wash.

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