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Showing results for tags 'sundance'.
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I was picking through some micromaterial and found these cute little guys. The same site yielded larger ammonites and partials as well. The biggest one is about 4mm long. I really struggled with photos because these are so small, so I apologize for the quality. If the photo quality is not enough, I'd greatly appreciate a good paper to reference so that I can try to identify them. Sundance Fm, Wyoming
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I have had these and others in my collection for about 27 years, most of them have been wrapped up or still are wrapped up since I collected them with my son. I always classified them as Ripple Marks, but wonder if they are, we collected them a little to the West of Sundance, Wyoming in exposure that is supposed to be from the Upper Jurassic / Morrison Formation. What is your opinion?? Top of Plate Bottom of Plate
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- ripple marks
- morrison formatiion
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