Ames crater
Encyclopedia
Ames crater is a meteorite
crater
in Major County
, Oklahoma
, United States
.
Ames Crater is 10 miles (16 km) in diameter and the age is estimated to be 470 ± 30 million years (Ordovician
). The crater is not exposed at the surface.
Meteorite
A meteorite is a natural object originating in outer space that survives impact with the Earth's surface. Meteorites can be big or small. Most meteorites derive from small astronomical objects called meteoroids, but they are also sometimes produced by impacts of asteroids...
crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...
in Major County
Major County, Oklahoma
Major County is a county located in the U.S. state of Oklahoma. As of 2000, the population was 7,545. Its county seat is Fairview. Located in northwestern Oklahoma. Major County is bounded by Woods and Alfalfa counties in the north, Garfield County on the east, Kingfisher, Blaine and Dewey on...
, Oklahoma
Oklahoma
Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...
, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.
Ames Crater is 10 miles (16 km) in diameter and the age is estimated to be 470 ± 30 million years (Ordovician
Ordovician
The Ordovician is a geologic period and system, the second of six of the Paleozoic Era, and covers the time between 488.3±1.7 to 443.7±1.5 million years ago . It follows the Cambrian Period and is followed by the Silurian Period...
). The crater is not exposed at the surface.
External links
- Judson L. Ahern, Univ. of Okla.: Imaging the Ames Impact Structure - good general interest article