2200bc
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10 months ago
OK Experts, What Is This Rock? Please Help Me Indenify.
This is some sort of sandstone that came from an area near Icard, NC. I was told that this piece and other like it contain fossil shells.
Please e...
2200bc
commented:
These are not due to glaciers. These are called concretions and they occur in an incident when cementing material collects around the organic nucleus like a snowball as it tumbles under the force of rushing water. You can find pictures of these concretions embedded in sedimentary rock on the we...