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. 1909 Excerpt: ...at Big Springs, two miles northeast of Rushsylvania, where the top layers along the west side of the quarry are composed of a similar rock. Fish teeth and dermal plates are frequently found in these quarries, but no "bone-bed." In fact there is no natural dividing line between the lower deposits, which are surely ...
Read More
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. 1909 Excerpt: ...at Big Springs, two miles northeast of Rushsylvania, where the top layers along the west side of the quarry are composed of a similar rock. Fish teeth and dermal plates are frequently found in these quarries, but no "bone-bed." In fact there is no natural dividing line between the lower deposits, which are surely Columbus limestone, and those above that may be Delaware in this whole outlier. There is a gradual transition upward into more and more arenaceous beds, and finally the abrupt change to the Ohio shale without the intervention of the Olentangy shale. Zanesfield.--These upper layers are well shown at the George Grubb quarry, in the southern part of the town of Zanesfield, six miles 'See Dr. Bownocker's list. Bull. Sct. Lab. Den. Univ., Vol. XI, 1808, pp. 35, 36, 37. southeast of Bellefontaine, and along a small run across the highway to the north. The following is the section along the run at this place: Ohio shale. Ft. In. 5. Black shale, as much as a hundred feet ex-posed along the road 4 0 4. Covered interval which north of this locality was found to be Ohio black shale 5 0 (Possibly Delaware Limestone.) 3. Six to eight-inch layers of hard arenaceous blue limestone with very few fossils.. ' 11 0 2. Arenaceous gray limestone with some fossil iferous gray to white chert 1 2 1. Hard arenaceous gray limestone in six to eight inch beds to bottom of outcrop.... 6 0 And in the Grubb quarry the following rocks are uncovered: (Possibly Delaware limestone.) Ft. In. 10. Massive gray limestone, hard and silicious.. 4 0 9. Gray to white banded chert 0 3 8. Massive gray limestone, hard and silicious.. 4 8 7. Massive gray limestone containing moulds of Corals 1 9 6. Fossiliferous gray chert 0 4 5. Thin bedded gray limestone with a reddish cast. Contain...
Read Less
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
VG-(small faults) Large Octavo. Fourth series, Bulletin 10. 204pp. A solid, clean copy with faults to front cover: two edge tears, a small chip on top edge and a faint damp stain on top inside corner.