American Geology Volume 1; Containing A Statement Of The Principles Of The Science, With Full Illustrations Of The Characteristic American Fossils by Ebenezer Emmons

American Geology Volume 1; Containing A Statement Of The Principles Of The Science, With Full…

byEbenezer Emmons

Paperback | May 18, 2012

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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. 1875 Excerpt: ...Pennsylvania, Virginia, and Maryland. I may cite the serpentine rock of the Pine Barren range. It extends from East Nottingham into Maryland, after crossing the Northeast creek. It contains chrome ore. It belongs to the Chester and Lancaster county belt. It contains also silicate of magnesia, a mineral which is worth some three or four dollars per ton. This belt continues onward west by south into Harford county, Maryland, crossing the Susquehanna near Fraser,s Point. The belt is prolonged to the southwest, embracing the Bare hills near Baltimore. Its continuity is interrupted in many places, still the belt extends through Pennsylvania into New Jersey in the direction of Easton, Northampton county. It is rather remarkable that serpentine, though it forms by itself hills of a moderate elevation, yet does not appear in the higher parts of the Appalachians. It is highly chromiferous through Maryland. In North Carolina, in those counties which are adjacent to Virginia, it is not so common as in the more northern states. It reappears, however, in great force in the southwest, particularly in Franklin, Macon, and Cherokee counties. The same belt extends into Georgia. Of this rock, then, it may be said to extend from Canada to Georgia in a belt which skirts the eastern base of the Hoosick and Appalachian chains. In the Appalachians its direction is nearly northeast and southwest; in the Hoosick range nearly north and south. The external characters are very uniform through the whole distance, and it is very constantly associated with certain minerals. These have been already referred to. Certain minerals, too, are as constantly absent, as galena, the sulphurets of copper, iron, molybdena, and zinc. Notwithstanding the wide range of serpentine in this country, it oc...

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Title:American Geology Volume 1; Containing A Statement Of The Principles Of The Science, With Full…Format:PaperbackDimensions:66 pages, 9.69 × 7.44 × 0.14 inPublished:May 18, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217165664

ISBN - 13:9780217165662

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