Shatter cones at Sierra Madera, Texas

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Abstract

Shatter cones abound in the central uplift of Sierra Madera and they occur as far as 6.5 kilometers from the center. Apical angles average near 90 degrees. Whole cones and full cones represented by diversely oriented cone segments in any structural block show relatively uniform orientations of axes and a dominant direction of point. The cones predate faulting and folding in the central uplift, and, when beds are restored to horizontal, most cones point inward and upward, a pattern that supports the hypothesis of an impact origin.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Shatter cones at Sierra Madera, Texas
Series title Science
DOI 10.1126/science.162.3850.261
Volume 162
Issue 3850
Year Published 1968
Language English
Publisher American Association for the Advancement of Science
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 5 p.
First page 261
Last page 265
Country United States
State Texas
County Pecos County
Other Geospatial Sierra Madera crater
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