Rock Elm Disturbance
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The Rock Elm Disturbance is a probable meteor crater in Wisconsin, United States, roughly 40 kilometers Southwest of Menomonie. The disturbance is named for Rock Elm, Wisconsin, a nearby community.
The meteorite is estimated to have been 170 meters in diameter with a mass of 9x109 kg and impact velocity of 30 km/second. The cratar is 6 km in diameter and the age is estimated to be less than 505 million years, placing it in the Ediacaran period.
[edit] External links
- Article from Geotimes.com, March 2004
- Press release from the University of Wisconsin-River Falls
- Earth Impact Database
- Craters in Wisconsin
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