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Visits to the Cretaceous–Paleogene boundary


aplomado

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My family and I have recently made a few trips to Mussell Creek (Alabama), which contains the Prairie Bluff Chalk.  This the is very end of the Cretaceous in Alabama.  I have been told that in some places this formation shows evidence of the Chicxulub  tsunami, though I do not know if this is visible at this site.  In one of the pictures I am pointing a stick at the Prarie Bluff Chalk.  Right above that is the Paleogene.

 

We have found small shark teeth, urchins, coral, baculites and snails at the site, along with large amounts of shells, including some nice Exogyra (I think) oysters.  Unfortunately, I don't have images of the fossils yet (they aren't super exciting, except that some of the Exogyra are really well preserved), but as you can see it is a truly beautiful site, and wading in the cool creek makes for some fun fossil hunting.  My kids are all better fossil hunters than me....my youngest is insisting I get him a screen with 1/8 mesh so he won't miss any of the really tiny teeth! (how does he see them?)

 

 

 

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Looks like great family fun! :egypt:

 

Minor note:  Exogyra is an oyster as opposed to a clam.  Just an FYI.

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6 minutes ago, grandpa said:

Minor note:  Exogyra is an oyster as opposed to a clam.  Just an FYI.

Thank you, I have fixed it... I did not know there was difference before!

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That's a really nice area. :) I really like that photo looking down the river with trees on each side.

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Great time spent with family!:thumbsu:

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I like Trilo-butts and I cannot lie.

 

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