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girlart33

Hadrosaur Egg?

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girlart33

My sister recently found this object in a creek bed in the Santiam Pass area of Oregon. (Western foothills of the Cascade range, just East of Salem).

It measures aprox. 5.5 inches in length.

We are wondering if it could be a Hadrosaur egg.

Any other possibilties......thoughts?

Thanks!

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post-13970-0-92743100-1386287718_thumb.jpg

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rejd

Although it looks like an egg, the outer "shell" is way too thick. This is a concretion and this type of rock has fooled many a person including myself.

http://en.wikipedia.org/wiki/Concretion

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girlart33

Thanks! I was wondering about the "shell" myself.

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snolly50

rejd is certainly correct in opining that your piece has the appearance of a concretion. The size is also smaller than the typical Hadrosaur egg. Here is a close photo of a Hadrosaur egg. This is the appearance of the eggs commonly seen that originate in China.

post-8873-0-59604100-1386298694_thumb.jpg

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Bev

Neat rock though! GREAT conversation piece! Bev

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girlart33

Thanks everyone....I'll let my sis know. :)

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Fossildude19

Concretions sometimes form around organic or biologic remains.

There is a slight chance that there is a fossil within the concretion.

Were it mine, I might use the Freeze/Thaw method to try to open it. :)

Regards,

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jpc

Also dinosaur eggshell has a certain pattern in cross section. Generally there are crystal patterns that go perpendicular to the surface. yours has no such pattern. I agree with the others... nice concretion.

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Grymmwulf

I'd just call it a hardboiled egg.

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