Upper? Austin chalk mosasaur bone
By ThePhysicist
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Vertebrates are generally rare in the Austin chalk, especially in the upper portions. Since this was not found in the formation, I can't say for sure where in the column it came from. Based on the surrounding exposures, it likely came from the upper Austin chalk which is very unusual and warrants further investigation upstream...
Photo Information
- Taken with Apple iPhone SE (2nd generation)
- Focal Length 4 mm
- Exposure Time 1/97
- f Aperture f/1.8
- ISO Speed 80
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