Round inclusion

[BobGuy]

Hi, my son found this in one of our artifact hunting creeks. Can anyone give me details on what this is? He’d like to write a paper about it for his homeschooling work required during the pandemic.

Appreciate any feedback!!

 

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[Kray Gelder]

I suggest your son researches concretions. I believe that's what you have there. Cool find.

 

[Red-Coat]

Your son made an interesting find. There's a good summary of how concretions form at the link below and the fourth picture shows a concretion of the type that he found:

https://www.thoughtco.com/gallery-of-concretions-4122853

 

[BobGuy]

Your son made an interesting find. There's a good summary of how concretions form at the link below and the fourth picture shows a concretion of the type that he found:

https://www.thoughtco.com/gallery-of-concretions-4122853

Very helpful! Thank you!!

 

[ArfieBoy]

Well... it's pretty obvious the bigger rock ate the little rock for lunch! LOL!

 

[Clay Diggins]

It's a petrified avocado. Very common in California.

 

[Steve1236]

LMAO...Petrified avocado, Good one Clay...

 

[BobGuy]

It's a petrified avocado. Very common in California.

Boy, you guys are so helpful! Haha thanks for the laugh