[Osage Orange]

I saw the exact same thing....at work, after someone left the coffee pot run dry...

The crud in the bottom...looked just like that!!!

[RegulatorCountry]

Tner was a lizard man with a duck bill and a huge phallus in the bottom of your coffepot, lol?

[Sacajaweau]

Dating the sediment covering the "picture"...I would say all the sediment in the cave was of the same date...Kinda like a duh....not like they hauled in new stuff...

These people are paid big bucks!!