What is this? Artifact?

[solid2915]

Interesting rock found in a creek. Eastern KY. Very flat on the bottom but top side has grooves. Artifact or just a rock?

 

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[DizzyDigger]

Based on what I can see in the pics, I'd have to go with "just a rock".

It's cool, but I also believe it's natural.

 

[newnan man]

Agree, a rock.

 

[CreekSide]

Rock, stone tile but still not NA
Keep looking

 

[dognose]

it looks like a plain rock to me also.
guessing, it looks like sedimentary stone of an ancient water way beach area where wave action has occurred. These small waves left the ripples on the beach area which over time hardened, compressed and meta-morphed into stone.

 

[Bucket Lister]

Too blurry to see, but I'd guess it's sedimentary.
Looks (to me) like water dripped/ran/trickled over it (in varying amounts) for a long time, and then something (seismic, frost, clumsy bear...) caused the top to shear off. Especially since it was found in a creek.

 

[Older The Better]

it looks like a plain rock to me also.
guessing, it looks like sedimentary stone of an ancient water way beach area where wave action has occurred. These small waves left the ripples on the beach area which over time hardened, compressed and meta-morphed into stone.

Fun fact if the ripples are symmetrical it’s a beach because things are pushed and pulled, if asymmetrical then it’s a stream with a direction of flow. If that’s what this piece is it’s still kinda cool like a little snapshot of an ancient stream bed

 

[Treasure_Hunter]

Both are natural...

 

[Red-Coat]

it looks like a plain rock to me also.
guessing, it looks like sedimentary stone of an ancient water way beach area where wave action has occurred. These small waves left the ripples on the beach area which over time hardened, compressed and meta-morphed into stone.

Agree.

Those look to be a particular kind of turbidite feature known generically as 'sole marks' and more specifically as 'flute marks' or 'flute casts'. I previously commented on something similar at this link:

✅ SOLVED - What would cause this type of rock formation?

www.treasurenet.com

 

[galenrog]

It is, as this section implies, a geofact. An item that may have, to the untrained eye, a superficial appearance resembling something man made.

In short, a rock.