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Craig Sorenson

Found this bone in eastern Montana, what is it from

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Craig Sorenson

I found this and several other bones buried about 3.5 feet deep in a dry wash in SE Montana. It is in good shape, does not look like a fossil, but there was a fossil excavation going on nearby. Can someone help me ID and age it? I am thinking Bison, my family says angus beef.

image.jpeg

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Craig Sorenson

Here is a pic of the wash, the there is a rib bone showing about 3.5 feet below the surface.

image.jpeg

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JohnJ

See if this reference helps you.  Click through the pages for other great info.  ;)

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Canadawest

As John's reference indicates, its a bison vertebra...a really nice one. We find many bison remains along side dino fossils.  The bison bones are deposited in reworked Cretaceous clays. This would be the same in Eastern Montana.

 

Its not possible to age isolated bison bones.  They can be a couple hundred to a few thousand years old.  The preservation depends more on associated minerals in the clays, etc. than age.

 

Here's one that we found among dino remains just a couple weeks ago.  Its partially silicified.

 

IMG_5752.JPG

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LordTrilobite

Indeed, a bovid cervical vertebra. Hard to tell without a side view but I think it's from somewhere in the back of the neck.

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