(Information obtained from Florence Chert Type Sheet) Florence Chert is also known as Florence A, Florence B, Florence C (Varieties); Hardy Quarry, Kay County, Herington, Maple City, or Flint Hills.
L-1281 (Flint River Chert): Collection includes heat-treated specimens. L-1281 (Flint River Chert): map included; H/T 450 degrees F-8 hours; Chert: Caramel colored, high quality, chalky cortex. Flint ...
The Rhynie chert, renowned for its exceptional preservation, offers an unparalleled window into early terrestrial ecosystems dating back to the Early Devonian period, over 400 million years ago. The ...
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