sTamprockcoin Posted September 21, 2018 Share Posted September 21, 2018 I'm having a hard time figuring out the formation of the fossils I found today. The layer is about 4 feet wide. Fresh it appears to be a gray shale. It weathers quickly to a buff very soft siltstone with pale purple swirls. Some fractures show a colorful (red, orange, yellow, black, brown) iron staining. The PA geologic survey map for Altoona marks this as a Brailler formation area but that formation's description doesn't seem to fit what I found. Does this description sound familiar to anyone? If pics would help I can take some tommorow. “Beautiful is what we see. More beautiful is what we understand. Most beautiful is what we do not comprehend.” N. Steno Link to comment Share on other sites More sharing options...
DPS Ammonite Posted September 21, 2018 Share Posted September 21, 2018 What is the description given for the Brailler Fm? BTW, a shale (clay sized particles) does not weather to a siltstone with greater than clay sized particles. My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
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