Annual Report Of The Geological Survey Of Arkansas Volume 2 by Geological Survey Of ArkansasAnnual Report Of The Geological Survey Of Arkansas Volume 2 by Geological Survey Of Arkansas

Annual Report Of The Geological Survey Of Arkansas Volume 2

byGeological Survey Of Arkansas

Paperback | July 8, 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. 1888 edition. Excerpt: ...have time to prepare a creditable report on them, but as I wrote you before leaving Washington, my time was so taken up with preparation for the.Cincinnati exhibit that I could not complete this examination. I had made a few drawings, and intended to get enough to make one plate, but they are not finished. There was a very interesting thing in some of the clayey material. It was thickly filled with stems as you may remember. I selected a few of them, boiled them out in nitric acid, and mounted them in Canada balsam, when the structure was brought out most clearly. It is something new evidently, and so far as I could find in the time I was able to give the subject, is undescribed. I have not decided what to call it, and indeed a mere description, without accompanying plates, would be of very little scientific value. The lignite examined was all coniferous and probably of the genus Cupress-inoxylon, although of this latter I will not be sure. I had made drawings of it, also, but they are likewise unfinished." CHAPTER XIV. CHALK IN THE NORTH AMERICAN CRETACEOUS. Although certain calcareous beds in the South have been vaguely described by American writers as "rotten limestone's," and other calcareous beds of the Nebraska formation of the upper Missouri, have been exceptionally alluded to as of a chalky nature, the American cretaceous has been generally considered arenaceous, and the term chalk has been studiously avoided in lithologic description, even at the expense of much circumlocution. Explorations in the Alabama-Mississippi region and in the northwestern territories, where the lower formation is unrepresented, were supposed to confirm the late age and generally arenaceous non-calcareous character of the American cretaceous as a whole....
Title:Annual Report Of The Geological Survey Of Arkansas Volume 2Format:PaperbackDimensions:92 pages, 9.69 × 7.44 × 0.19 inPublished:July 8, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217177743

ISBN - 13:9780217177740