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The Odessa Meteor Crater is a small feature, but the Sierra Madera Astroblem is eight miles across.
Crest of the Central Uplift is 140 m above sea level. This is one of three impact crater sites found in Texas, the others being the older and much larger Sierra Madera crater and the Marquez crater. Day Trips: Sierra Madera Astrobleme Meteor crater south of Fort Stockton creates a blemish on the desert floor By Gerald E. McLeod, Fri., Dec. 4, 2015
On the upper-right side, we can see a cluster of hills of the Sierra Madera crater, formed less than 100m years ago when a meteorite hit Earth. Like hundreds of other lunar craters of probable impact origin, Copernicus contains central peaks presumed to expose rocks uplifted from beneath the crater floor. by Sarah Ann Huson, Ph.D. Washington State University May 2009 Chair: Michael C. Pope The Sierra Madera impact structure is a 12.9 km diameter, well-eroded remnant of a complex impact crater located in West Texas. One of the major problems with getting a good handle on the impact record of the past is in the naïve …
Topographic map of the Sierra Madera meteor crater region showing where the photos below were taken from. Digital Elevation Model (DEM) of Sierra Madera impact structure showing central mountains and raised rim (red outline). Dr. Eugene Shoemaker (pointing with hammer) lectures to a group of astronauts at Meteor Crater, Arizona.
It turns out that the Sierra Madera is an extremely rare “cryptoexplosion structure,” in this case, a crater with a central mountain range raised not by volcanic or tectonic forces, but by the rebound from the impact of an unknown extraterrestrial object. Much of the western and central … Sierra Madera crater is a meteorite crater (astrobleme) in southwestern Pecos County, Texas, United States. While the impact site of the Sierra Madera Crater is located on private land, the 8-mile wide crater is quite visible from a nearby highway - as it peaks at nearly 800-feet above ground. Today’s Video of the Day comes from the European Space Agency’s Earth from Space series and features a look at the Sierra Madera impact crater in western Texas.
The Sierra Madera crater is a multi-ringed structure approximately 13 kilometers across. Day Trips: Sierra Madera Astrobleme Meteor crater south of Fort Stockton creates a blemish on the desert floor By Gerald E. McLeod, Fri., Dec. 4, 2015 View from the North rim(?) 3/72 - Sierra Madera, TX X X X X X X X 4/72 - San Gabriel Mts., CA XXXX X X X X X X X 5/72 - Sudbury, Ontario, Canada XXXX X X X X X X X 6/72 - Hawaii XXXX X X X X X X 7/72 - Stillwater Complex, MT X X X X X X X X X 8/72 - Nevada Test Site, NV XXXX X X X XXXX X X X X X 9/72 - Tonopah, NV XXXX X X X X X XX Geology of the Sierra Madera Cryptoexplosion Structure, Pecos County, Texas. The crater was last studied in the early 1970’s and is an excellent site for deformation and timing studies using modern research techniques. It is less than 100 million years old, and was discovered in the course of drilling for oil; it was thought that the uplifted rocks in the center of the crater might be a hydrocarbon trap, but cores revealed only surface deformation, and the presence of high-pressure breccias. The central peak is visible to the left of center. Diameter of rim is 9.6 km. If you would like to participate, you can choose to edit this article, or visit the project page for more information. The peak is visible from U.S. Highway 385 between Fort Stockton, Texas and Marathon, Texas.The Sierra Madera crater is located on private property on the La Escalera Ranch. A possible analog of these peaks on Earth is the central uplift of the Sierra Madera cryptoexplosion structure, a probable impact scar (astrobleme) in stratified Permian and Cretaceous rocks of west Texas. Sierra Madera impact structure Remnants of a 100 million year old astrobleme.
The Sierra Madera impact crater in western Texas. Map from the US Geological Survey via the Microsoft Terraserver .
This study uses shock features in zir …
Sierra Madera, Texas; Upheaval Dome, Utah; Weaubleau, Missouri; Wells Creek, Tennessee; Wetumpka, Alabama ; Possible Impacts; User-submitted Possibles; Open Questions; About This Website; Alamo, Nevada The Alamo Impact Crater is a 44 to 65 km structure originally located in south-central Nevada.
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