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Shell Impression? Nnw San Antonio, Tx

Tguiri

By Tguiri
in Fossil ID

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Tguiri Member

Tguiri

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Asking the forum for their expert opinions on this find from today in NNW San Antonio in a creek bed.

Thank you.

post-17707-0-64337200-1442379265_thumb.jpg

post-17707-0-07051000-1442379267_thumb.jpg

'There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

- Ernest Hemingway

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bone2stone Regular Member

bone2stone

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Could be chert given your location.

Looks to be limestone nodule with irregular hardness that wears unevenly.

The circular patterns being harder would wear differently than the surrounding areas.

Is the areas around the circular patterns softer than the rest of the stone?

Jess B.

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Tguiri Member

Tguiri

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It seems that the eroded rock is softer. Thanks for the info!

Edited by Tguiri

'There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

- Ernest Hemingway

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