Events in North American Cretaceous history illustrated in the Arkansas Texas division of the southwestern region of the United States

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Abstract
Survey to investigate the stratigraphic and paleontologic conditions of the northel'1l and eastern termination of the Texas.Cretaceous, and to trace out its detailed relations to those of the Gulf and western states with their accompanying phenomena.The condition of knowledge previous to that time was fully set forth in this Journal for October, 1887.From later investigations I am able to present the following brief * The southwestern region of the United States may be defined in stratigraphic terms as those portions of A rkansas, Texas.India]l Territory, southern Kansas, New Mexico and Arizona, south of the Uinta and Ozark uplifts and between the Sierras on the west and the great Atlautic timber belt 011 the east, Its principal divisions are the Arizona-Utah or Grant!Canon; the Rocky Mountain or New Mexican; the West Texan or Permo-Triassic; the Central Texas Paleozoic: and the eastern or Arkansas-Texas Cretaceous
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openalex_W2331958764 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors R. T. Hill
Journal american journal of science
Year 1889
DOI
10.2475/ajs.s3-37.220.282
URL
https://doi.org/10.2475/ajs.s3-37.220.282
Keywords Keywords not found

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