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The following craters are officially considered "unconfirmed" because they are not listed in the Earth Impact Database. Due to stringent requirements regarding evidence and peer-reviewed publication, newly discovered craters or those with difficulty collecting evidence generally are known for some time before becoming listed.
It lies within the states of Idaho and Montana. Estimated at 60 kilometers (37 mi) in diameter, it is the ninth largest impact crater 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.
Meteor Crater, or Barringer Crater, is an impact crater about 37 mi (60 km) east of Flagstaff and 18 mi (29 km) west of Winslow in the desert of northern Arizona, United States. The site had several earlier names, and fragments of the meteorite are officially called the Canyon Diablo Meteorite , after the adjacent Canyon Diablo .
United States 7 323 - 485 Decaturville: 6 less than 323 Decorah: Iowa United States 5.6 464-467 Deep Bay: Saskatchewan Canada 13 95-102 Dellen: Gavleborgs Sweden 19 140.82 ± 0.51 Des Plaines: Illinois United States 8 less than 299 Dhala: Madhya Pradesh India 11 1700 - 2500 Dobele: Dobele Latvia 4.5 252 - 359 Douglas Wyoming United States 16 ...
If the team can determine the site is a crater formed by an ancient impact event, then the next step is researching just when it happened. Of the world’s roughly 200 impact craters, 31 are ...
The 7.46 carat diamond discovered by Julien Navas, of Paris, France, upon his visit to the Crater of Diamonds State Park in Arkansas on January 11, 2024. - Courtesy Arkansas State Parks
The Wetumpka impact crater is the only confirmed impact crater in Alabama, United States.It is located east of downtown Wetumpka in Elmore County.The crater is 4.7 miles (7.6 km) in diameter, and its age is estimated to be about 85 million years (late Cretaceous), [1] based on fossils found in the youngest disturbed deposits, which belong to the Mooreville Chalk Formation.
Kevin Kinard of Maumelle found the second-largest diamond in the 48-year history of Crater of Diamonds State Park on Labor Day, according to a news release from Arkansas State Parks.