Mistastin Lake Impact Crater

Canada / Newfoundland and Labrador / Happy Valley-Goose Bay /
 lake, astrobleme

Rim diameter: 28 kilometers (17.4 miles); age: 38 +- 4 million years

www.ottawa.rasc.ca/articles/odale_chuck/earth_craters/m...

"hottest" rock on Earth found here in 2011. On impact common zirconia crystals were included in the nelt. Temperature at 2,370 F converted their crystal form to cubic Zirconia often used as a cheap diamond substitute. The melt cooled fast enough to keep the crytals rom melting entirely, preserving them.
Nearby cities:
Coordinates:   55°53'25"N   63°16'0"W
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This article was last modified 7 years ago