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Showing results for tags 'similar shape'.
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These "rocks" were found in North San Antonio, Texas. I started to notice, repeatedly, this similar shape in different "rock". So I started collecting them and now have a large sample of these "rocks" all with this particular shape. I feel the shape is so oddly unique that this can not be a coincidence. The shape is almost identical in each "rock" regardless of size and composition. I was hoping you could explain what this phenomenon is and why or what these are, and why this same shape is so common in "rocks" of different composition? I look forward to your explanation. Thanks for your time.
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- different composition
- petrified
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