Fourth Series, Bulletin Volume 24

Fourth Series, Bulletin Volume 24

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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. 1921 edition. Excerpt: ...with a few ironstone concretionary layers in the lower portion. Fossiliferous zone about 20 feet above base of shale 69 Armstrong member. 5. Fine-grained, grayish-brown sandstone with which is associated about 5 per cent of shale 40 Burbank member. 4. Grayish-blue shale 1 10 3. Fine-grained, brown sandstone 2 2 2. Grayish-blue shale 3 1. Fine-grained sandstone 2 At this place the Berne member is from two to three times as thick as in the western portion of the county. The conglomerate beds are much thicker, but similar in number to those described in the section in Ashland County (page 72). The wave marks are unusual and were not observed at any other place. B.--View of Logan formation. Reddig's Quarry north of Wooster. The camera case in the center of the picture is resting on the Allensville member, with Byer beds below and Vinton above. In marked contrast to this exposure is that in Shade Creek Valley about 2 miles northwest for which the section is given on page 61. In Shade Creek Valley the conglomerate beds are almost lacking, being represented by a few pebbles only at two horizons. The beds are largely coarse sandstone which rests directly on the shale. South of Armstrong in a ravine in the northeast quarter of Section 2, Chester Township, the Berne member has a thickness greater than at any other place on the west side of Killbuck Valley. Strata measured in NE. Section 2, Chester Township Logan formation. Feet Inches Vinton member. 16. Fine-grained sandstone 2 Allensville member. 15. Conglomerate 1 4 Byer member. 14. Fine-grained, grayish-buff sandstone--67 Berne member. 13. Coarse-grained, loosely-cemented sandstone 2 2 12. Medium-grained, dark gray sandstone--2 11. Coarse-grained, yellow sandstone--8 10. Medium-grained, dark...
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Product details

  • Paperback | 54 pages
  • 189 x 246 x 3mm | 113g
  • United States
  • English
  • black & white illustrations
  • 1236920120
  • 9781236920126