Oil Resources of Illinois with Special Reference to the Area Outside of the Southeastern Fields

Oil Resources of Illinois with Special Reference to the Area Outside of the Southeastern Fields

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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. 1911 edition. Excerpt: ... is similar to that of the Iuka arch and the Odin terrace in cross-section lUdden, J on A., Coal and oil studies at Duquoin: Bull. Ill. State Geol. Survey No. 14, pp. 258-259. A-A (Pl. 7). A well-defined anticline is shown between No. 24 and No. 30. The coal rises 56 feet from N o. 25 to No. 27 or about 22 feet per mile. The decline from N 0. 27 to N 0. 30 is very gentle, being 70 feet in about 7 miles or only 10 feet per mile. The section does not reveal any attractive structural features from N 0. 27 to No. 32. The coal of the intermediate area slopes from the south to the north and if any features are_ present, they would be shown in north and south cross-sections or on coal contour maps. (See Pls. 24 and 28.) The coal rises 369 feet from N o. 32 to N o. 33 in about 9 miles or at the rate of about 40 feet per mile. The section follows the strike from No. 33 to N 0. 37, and, therefore, shows the coal to be about level. The Pottsville Sands.--The structure of the Pottsville sands very close-' ly resembles that of No. 6 coal between No. 12 and 21 except as influenced by irregularity of deposition. The rise from sea level between N o. 12 and N o. 16 is 160 feet. The top of the sand lies approximately flat from No. 16 to No. 18 and drops remarkably fast from No. 18 to 21. The dip is 250 feet in about 31/2 miles or at the rate of 70 feet per mile. The Chester F0rma.ti0ns.--The top limestone of the Chester formations is first accurately identified at a depth of 304 feet in No. 5. From No. 12 eastward to No. 16 it probably has been eroded. The Benoist or Kirkwood sandstone of the A-A section (Pl. 7) lies at 705 feet in No. 1, and 1,100 feet in No. 12. The descent is 395 feet in 20 miles or about 20 feet per mile. East of this place the...
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Product details

  • Paperback | 58 pages
  • 189 x 246 x 3mm | 122g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236758404
  • 9781236758408