Beaverhead impact structure
Template:Short description Template:Infobox terrestrial impact site The Beaverhead impact structure is the second-largest impact structure within the U.S. It lies within the states of Idaho and Montana. Estimated at Script error: No such module "convert". in diameter, it is among the largest impact structures on Earth.
With an estimated age of 600 million years (Neoproterozoic), the impact's original shatter cones along the impact structure's perimeter provide some of the structure's only remaining visible evidence.
It is named for the Beaverhead region of southwestern Montana in which it was first discovered.
See also
<templatestyles src="Stack/styles.css"/>
Script error: No such module "Check for unknown parameters".
References
<templatestyles src="Reflist/styles.css" />
Script error: No such module "Check for unknown parameters".
Further reading
- Carr, J and Link, PK, 1999, Neoproterozoic conglomerate and breccia in the formation of Leaton Gulch, Grouse Peak, northern Lost River Range, Idaho: Relation to Beaverhead Impact Structure, in Hughes, S.S., and Thackray, G.D., eds., Guidebook to the Geology of Eastern Idaho: Pocatello, Idaho Museum of natural History, p. 21-29.
- Aerial Exploration of the Beaverhead crater
Script error: No such module "navbox". Template:Impact cratering on Earth
Template:LemhiCountyID-geo-stub
Template:BeaverheadCountyMT-geo-stub
Template:US-geology-stub