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Petrified wood?

Ann S

By Ann S
in Fossil ID

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Ann S New Member

Ann S

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Here's one more photo from the Sumter County field trip.  This specimen was still in the chalk, perpendicular to the plane of the bed.  Sorry I didn't snap an in situ photo.  If this one is man-made, you can put the dunce cap sticker by my name for a week ;)

 

Sumpter County 2 10-16.jpg

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JohnJ Regular Member

JohnJ

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Hi Ann, these are examples of slickenside calcite, not fossil wood.  ;)  They often form in fault seams within chalk formations.

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The human mind has the ability to believe anything is true.  -  JJ

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Ann S New Member

Ann S

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Thanks, John!  Interesting that the striations are formed in the direction of movement.  This is going to be a hugely educational journey!

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