Calvin crater
Earth Impact DatabaseImpact craters of the United StatesLandforms of Cass County, MichiganLandforms of MichiganOrdovician impact craters ... and 1 more
West Michigan geography stubs
Calvin is an impact crater located in Calvin Township, Cass County in the U.S. state of Michigan. It was discovered in 1987 by Randall Milstein of the Michigan Geological Survey while examining data from about 100 test wells drilled in the area.It is 8.5 kilometres (5.3 mi) in diameter and the age is estimated to be 450 ± 10 million years (Ordovician). The crater is not exposed to the surface. It lies about 100 to 400 feet (30–120 m) below today's ground level.
Excerpt from the Wikipedia article Calvin crater (License: CC BY-SA 3.0, Authors).Calvin crater
Calvin Hill Street, Calvin Township
Geographical coordinates (GPS) Address Nearby Places Show on map
Geographical coordinates (GPS)
| Latitude | Longitude |
|---|---|
| N 41.83 ° | E -85.95 ° |
Address
Calvin Hill Street
Calvin Hill Street
Calvin Township
Michigan, United States
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