Green RIver

A Carpet of Chert in Canyonlands

Colorful chert, in varieties known as jasper, flint, agate, chalcedony, and others, have always intrigued me. So, when I recently saw a carpet of dark red jasper covering the surface of a river terrace in a remote corner of Utah, I was amazed. I wanted to learn more about how this chert bed formed and about the indigenous people who had left ancient rock art and storage structures nearby – and I found some fascinating information.

By |2025-06-26T06:53:15-07:00May 25th, 2025|Art & Artifacts, Our Amazing Earth|14 Comments
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