Fossil or human art?

[nopeseeya]

California, USA

Found this rock walking on train tracks out in the canyon.

What do you think, Fossil or art?

 

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[RGINN]

i would think it would be some sort of fossilized plant, maybe. Not anything made up by Indians.

 

[nopeseeya]

Thanks for commenting. My first instincts were plant fossil. But when i showed a few people they said it almost looked drawn on.
I am not sure if fossils occur on this type of rock or not.

 

[old digger]

What you have is a dendrite, (pseudfossil)

 

[nopeseeya]

Not even a real fossil. What a bummer, lol. Interesting. Thanks for the input.