The book Descriptive Geology was written by author A Arnold Hague Here you can read free online of Descriptive Geology book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Descriptive Geology a good or bad book?
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These beds here show an estimated thickness of about 6, 000 feet, of heavy massive limestone, from which were obtained some Fusilina and other Carbonif- erous fossils. In their upper portion, the limestones seem more impure and siliceous than in the lower. A specimen from one of the beds, aboiit 2, 000 feet below the top of the series, a gray granular limestone, which weathers an earthy red on the surface, was analyzed by Mr. B. E. Brewster, with the following result : Insoluble residue 2. 372 ...Fen-ic oxide and alumina 0. 246 Lime 53. 089 Magnesia 1. 199 Carbonic acid 42. 878 Water and organic matter 0. 216 100. 000 The dip decreases in passing north and east; from 45° it sinks to 18° at its extreme northeast limit. From stratigraphical position, though with- FAEMINGTON AND WEBER REGION. 377 out the aid of fossils, the Sub-Carboniferous and Devonian formations have been included within this body. Directly underlying it is a zone of slialy quartzite, passing down into a solid white quartzite, the whole having a thick- ness of about 800 feet, and holding the position of the Ogden Devonian, as it has been colored.
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