Granby crater
Encyclopedia
Granby is an impact crater
in Sweden. It is estimated to have formed about 470 million years ago (Middle Ordovician
). The crater is 3 km in diameter and is not exposed at the surface.
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 Sweden. It is estimated to have formed about 470 million years ago (Middle 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 3 km in diameter and is not exposed at the surface.