Browsing Reports of Progress - Indiana Geol. Survey by Subject "Industrial Minerals"

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  • Patton, John B. (Indiana Division of Geology, 1949-04)
    During the field seasons of 1947 and 1948, two field parties of the Division of Geology, Indiana Department of Conservation, examined, sampled, and mapped the quarries that are producing crushed stone in Indiana. In 1947 ...
  • McGregor, Duncan J. (Indiana Geological Survey, 1954-12)
    This investigation was undertaken to make the features of evaporites (gypsum and anhydrite) in southwestern Indiana known and to determine their origin, geologic occurrence, uses, and relationship to associated rock ...
  • Bundy, Wayne M. (Indiana Geological Survey, 1956-09)
    Most of the iron deposits of Martin and Greene Counties, Ind. , are within the Mansfield formation (lower Pennsylvanian), but small deposits also occur in the Beech Creek limestone (upper Mississippian). Goethite, the major ...
  • Murray, Haydn H.; Smith, John M. (Indiana Geological Survey, 1958-10)
    Laboratory tests show that some Indiana shales are potential sources of manufactured lightweight aggregate. Bloating, the process by which lightweight aggregates are manufactured, is caused by various constituents acting ...

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