Report of Progress Volume 3, V. 1

Report of Progress Volume 3, V. 1

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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. 1880 edition. Excerpt: ...on the land of Mr. Taylor, and some of the layers make a very excellent building stone. (No. 6) is a bluish, very argillaceous shale, which contains considerable iron, thus causing it to weather to a rusty color on exposure. The Sharon coal has here, according to Mr. Chance, an elevation of 1068 feet above tide. About 2k miles south-west from Sharon, in Ohio, the coal is extensively mined by the Brookfield company. As the rock exposures along a little stream which puts into Big Yankee run are very good, I will give the section here for reference and comparison. Passing down the run from the coal slope past Whittaker's Falls the section is as follows: Fig. 65. Whittaker Falls Section; Hickory T. 1. Sharon Coal, 4' 2. Concealed, 10' 3. Sharon Conglomerate, 17' 4. Sandstone, flaggy; sandy shale, 47' 5. Shenango sandstone, massive, ferriferous, 7' 6. Shales, bluish; flaggy sandstone, 60' 7. Concealed to level of Shenango, 55' 203' The Sharon Conglomerate, (No. 3) is very finely exposed at this locality, and forms a conspicuous cliff around the hill. It is composed of two distinctly different rocks, though they are in immediate contact. The upper half of the stratum is a fine-grained sandstone of almost snowy whiteness; the lower half is a genuine conglomerate, being composed largely of quartz pebbles loosely cemented together in a matrix of coarse grayish-brown sand. The pebbles are mostly angular, ranging in size from a pea to a hickory nut; most of them are ovoid, but occasionally we see some that are flattened. The upper surface of No. 3 here forms the surface rock, and its top is planed off perfectly smooth and striated by glacial action; scratches and grooves running nearly south. The Shenango Sandstone, (No. 5, ) is here, as elsewhere, .show more

Product details

  • Paperback | 70 pages
  • 189 x 246 x 4mm | 141g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236593596
  • 9781236593597