Reports on the Geological Survey of the State of Missouri, 1855-1871

Reports on the Geological Survey of the State of Missouri, 1855-1871

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1873 edition. Excerpt: ...peculiar, and appears at this place more like the Loess than like Drift; but as it has been seen at other places with pebbles and small boulders imbedded, it must belong to the Drift. About one mile and a-half north of Mr. McDowell's, another well was sunk on the same Plains to a depth of thirty_three feet, all the way, after passing through the soil and subsoil, in the Loess, without striking the bed No. 3 of the foregoing section. l South of the Salt Fork, on the higher country, excepting near that stream, the Drift seems to consist mainly of light-colored and whitish tough clays, with scarcely any of the lower arenaceous pebbly bed. This lower bed, however, is exposed in the bluffs of Salt Fork at numerous places, for some distance below Marshall. Near that place it was seen reposing upon Archimedes Limestone, as represented in the section given below: No. 1. 20 feet slope, with much white clay. N o. 2. 30 feet yellowish sand, with more or less clay, and a few pebbles. No. 3. 3 feet Archimedes Limestone (seen above creek.) Boulders are not abundant in this county, though they were observed at a few places. One of dark Greenstone, three feet in diameter, was seen at the base of the bluff where the last section was taken. Others, composed of granitic rocks, were observed along a little stream near Arrow Rock. Boulders of Granite and dark Hornblende rock also occur on some of the streams in T. 51, Ranges 20 and 21. They all appear to have been deposited in the lower part of Drift, instead of being scattered over the surface, as is often the case. CARBONIFEROUS ROCKS. Con. Massunns. The Coal Measures occupy something less than one-third of the entire area of Saline county. It may, however, be proper to remark here, for the...
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Product details

  • Paperback | 114 pages
  • 189 x 246 x 6mm | 218g
  • United States
  • English
  • black & white illustrations
  • 1236774388
  • 9781236774385