Browsing Bulletins - Indiana Geol. Survey by Subject "Cincinnati Arch"

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  • French, Robert R. (Indiana Geological Survey, 1967)
    Devonian and Silurian carbonate rocks exposed on the crest and flanks of the Cincinnati Arch provide most of the raw material for the crushed stone industry of Indiana. The present northwest-southeast structure has controlled ...
  • Pinsak, Shaver, Robert H. Arthur P. (Indiana Geological Survey, 1964)
    The Silurian rocks in northern Indiana include, in ascending order, the Brassfield Limestone (lower Silurian), the Salamonie Dolomite, the Louisville Limestone, and the Wabash Formation, all of the Niagaran Series (middle ...
  • 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 ...

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