JadeWyoming State State Mineral & Gem News Society, Inc. Award-Winning WSMGS Website: wsmgs.org Volume 2020, Issue # 4 Wyoming Rocks By Stan Strike I grew up in Iowa, and as I was introduced to geology in college, I became aware that the rock types on the surface of that state were limited mostly to flat-lying layers of limestone, dolostone, and shale. Iowa rocks are usually only visible in deep road cuts and rock quarries, because the bedrock was normally covered over by thick layers of soil and glacial deposits. Occasional isolated pieces of different kinds of rocks could WSMGS OFFICERS be found. Those rocks were transported and deposited into the state by continental glaciers. President: Jim Gray In 1972, I was introduced to the rocks of Wyoming as part of a six-week
[email protected] geology field class. I collected rocks every day, and my vehicle suffered several Vice President: Linda Richendifer flat tires while returning to Iowa with them.
[email protected] In 1977, the Iowa rocks and the Wyoming rocks that I had collected came back to Wyoming Secretary: Leane Gray via a moving van to
[email protected] Cody, where I accepted a job teaching earth Treasurer: Stan Strike
[email protected] science. Cody was a rock hound’s dream Historian: Roger McMannis location. Within a half
[email protected] day’s drive, I could view and collect many Jade State News Editor: Many Wyoming rocks are suitable for lapidary work, as illustrated by these cabochons crafted by Gary Olson Ilene Olson of Powell. See Page 6 for a story about Gary.