Report of a Geological Reconnoissance of the State of Indiana; Made in the Years 1837-1838

Report of a Geological Reconnoissance of the State of Indiana; Made in the Years 1837-1838

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1859 edition. Excerpt: ...used for building. 4. Shale, with cross seams of pencil fracture. 5. Thin coal and shale with concretionary masses of fossiliferous limestone. No. 2, of this section, contains the following land and fresh-water shells: Helex fraterna, H. hirsuta, ft. con. vexa, H. indentata, H. labyrinthica H. minuta, H. perspectiva, H. lineata, H. monodon; Helciana occulta; Cy. clostoma lapidaria; Pupa armigera, malania (rare.) No. 3, is the sandstone of which the first story of my laboratory is built, quarried in the hills adjacent to the Cut-off dam. The majority of the rock has stood the test of half a century well, except where the walls were exposed internally to the action of salt when the lower story was used as a pork-house, previous to my purchase. Saline efflorescences exert always a very deleterious influence on all building stones; especially on sandstones and freestones. The fossiliferous concretionary limestone, included in No. 5 of the section, contains: Pleurotomaria coronula. Terebratula pentatomo, Producius undiferus, Productus Wabashensis, Productus Rogersii, Bellerophon, allied to, but probably distinct from, B. Urii. Limestone of The Big creek limestone is of much better quality than is generally found throughout our coal formation, particularly the lower part of the hed, which can be procured in large blocks of from 14 to 18 inches in thickness, well suited for building purposes. In some places, the lower blocks of limestone are variegated both with veins and with sections of fossils; and, being sufficiently hard to take a polish, they afford a grey marble of considerable beauty. We detected it in nine different sections; and, being always in the same relative position, beneath the overlying sandstone and shale, there is every reason more

Product details

  • Paperback | 42 pages
  • 189 x 246 x 2mm | 95g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236601548
  • 9781236601544