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| Today we got to explore a quarry in Jack county. We didn't find much except some shells and a large piece of coral. This quarry cuts into the Jacksboro Limestone member of the Graham Formation. | ||
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| Syringopora sp. coral
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| After the quarry we hit a spot to the east where Roz found a cast of a Calamites stem and a trilobite with perfectly preserved eyes. | ||
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