Jordan Sandstone

U of M Geologists Discover Major Meteor

(Inver Grove Heights, MN) — September 13th, 2022 — Only 190 meteor impact sites have been confirmed worldwide, but a recent discovery by U of M researchers could soon add an ancient crater in Minnesota to that list. “I’ve been mapping and studying the subsurface geology of Minnesota for the last 13 years … and have not come across something as exceptional as this before,” says crater co-discoverer Julia Steenberg. She