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Walnut Creek Austin, TX ID Help


TravisDDS

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Welcome to TFF from Austria!

 

I am getting a rudist vibe from this one. But that´s just the overall shape, I am missing the characteristic cellular structure of radiolitids. Are you able to see structures like in these specimens:

http://www.thefossilforum.com/index.php?/topic/98139-what-did-i-stumble-upon/

http://www.thefossilforum.com/index.php?/topic/97055-is-this-what-it-seems/

 

I don´t think its a vertebrae.

 

@erose, @grandpa, @JohnJ, @Uncle Siphuncle Thanks!
 

Franz Bernhard

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Hello TravisDDS and WELCOME to TFF from right here in Austin  too. 

 

From the photos, I'm not seeing anything that says "fossil".  I get the sense that it is chert.  The white spec-sized inclusions show no obvious pattern not consistent level of concentration throughout the rock that I can tell.  That's about all I can judge from the photos.

 

Again, welcome and keep showing us your finds from Walnut Creek.  There are definitely fossils there to be found.  I'd also welcome you to join the Paleo Society of Austin, a great group of helpful fossil enthusiasts who like to go on field trips to hunt fossils. 

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I agree with @grandpa, this piece appears to a low grade chert.  It is found in all kinds of wild shapes.  

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

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I agree with it being geological in nature, and chert seems to be a good assessment. 

 

Don't be discouraged and keep looking! 

The good thing about science is that it's true whether or not you believe in it.  -Neil deGrasse Tyson

 

Everyone you will ever meet knows something you don't. -Bill Nye (The Science Guy)

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It's definitely an interesting rock. I would have picked it up and put it in my collection. Any specimen that catches your eye is worth collecting. If you don't collect some "marginal" specimens you'll have nothing to cull later.

 

 

Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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