description Sierra Madera Overview
Sierra Madera is an eroded meteorite impact structure in Pecos County, Texas, United States. The feature is recognized by a complex central uplift and extensive faulting that distinguish it from an ordinary mountain or volcanic landform. Its exposed rocks preserve structural deformation produced by the impact, making the site relevant to the study of impact cratering and the geology of the Permian Basin region.
help Sierra Madera FAQ
What is Sierra Madera?
Sierra Madera is an eroded meteorite impact structure in Pecos County, Texas. It is not an ordinary mountain or a volcanic landform.
How can scientists tell Sierra Madera is an impact structure?
The feature has a complex central uplift, extensive faulting, and deformed exposed rocks. Those structures are consistent with the enormous shock produced by a meteorite impact.
Where is Sierra Madera located?
Sierra Madera is in Pecos County in western Texas, United States. Erosion has exposed part of the buried impact structure so that its unusual geology can be studied at the surface.
Does Sierra Madera have a visible crater?
The original impact crater has been heavily eroded, so the landscape does not look like a fresh bowl-shaped crater. Its central uplift, faults, and shocked rock structures preserve evidence of the impact.
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