Browsing Bulletins - Indiana Geol. Survey by Issue Date

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  • Rexroad, Carl B. (Indiana Geological Survey, 1967)
    Abstract Conodonts were collected from 49 sections of the Brassfield Formation (Brassfield Limestone) in its outcrop belt around the Cincinnati Arch in Indiana, Kentucky, and Ohio. Thirty-four indigenous species represent ...
  • Nicoll, Robert S.; Rexroad, Carl B. (Indiana Geological Survey, 1968)
    Zonation established by study of the conodont faunas of the Lee Creek Member (new member) of the Brassfield Limestone and of the Salamonie Dolomite, both of Silurian age, from 42 sections in southeastern Indiana and ...
  • Wood, Joseph M. (Indiana Geological Survey, 1968)
    Plant macrofossils are found in shales, ironstone concretions, and sandstones that lie immediately above the Lower Block Coal near Stanley Cemetery in Greene County, Ind. The Lower Block Coal lies at the base of the Brazil ...
  • Shaver, Robert H.; Burger, Anne M. (Indiana Geological Survey, 1970)
    The Geologic Names Committee of the Indiana Geological Survey has maintained for several years tables of the more important rock- and time-stratigraphic names that have been used in Indiana. These tables show classification ...
  • Rooney, Lawrence F. (Indiana Geological Survey, 1970)
    Most dimension limestone in Indiana is produced from the Salem Limestone (fig. 1). A significant amount is produced from the Laurel Member of the Salamonie Dolomite, the Louisville Limestone, and the Geneva Dolomite. ...
  • Carr, Donald D.; Webb, William M. (Indiana Geological Survey, 1970)
    Sand and gravel are unconsolidated granular materials resulting from the natural disintegration of rocks. Unlike most other mineral commodities they are defined in terms of particle size rather than mineral or chemical ...
  • Rooney, Lawrence F.; Carr, Donald D. (Indiana Geological Survey, 1971)
    The title of this report as first proposed was "What a Consulting Geologist Should Know About Industrial Limestone" because this effort was born of a request from the Indiana-Kentucky Geological Society, Inc., for a refresher ...
  • Orr, R. William (Indiana Geological Survey, 1971)
    Study of the stratigraphic distribution of 20 species of the platform genera Icriodus, Polygnathus, Palmatolepis?, and Schmidtognathus at 11 subsurface localities in northern Indiana and at 10 supplementary outcrop localities ...
  • Carr, Donald D.; French, Robert R.; Ault, Curtis H. (Indiana Geological Survey, 1971)
    Mineral aggregate is an aggregation of mineral material, such as crushed rock, expanded shale, perlite, sand and gravel, shells, or slag. It is sometimes bound with such material as cement or asphalt or is sometimes not ...
  • Carr, Donald D. (Indiana Geological Survey, 1973)
    Oolitic limestones constitute 22 percent of the Ste. Genevieve and Paoli Limestones (Mississippian) in seven cores equally spaced along the length of outcrop in southern Indiana; which lies on the eastern margin of the ...

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