Can anyone help with these symbols

[Bumblinghunter]

While i was out and about, i came across these two rocks that look like they were worked by someone. I have some ideas as to what they could be, just wondering if anyone with a more experienced eye could weigh in. Any advice appreciated, thanks

 

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[Kray Gelder]

What about all the other sharp angular rocks in photo one. Were they also worked? Natural broken rock, IMO.

 

[Bumblinghunter]

The other rocks were just in the area, not sure if they were worked, possibly. And I’m not sure what IMO stands for, I’m not really big on communication threw technology

 

[Kray Gelder]

IMO...in my opinion.

 

[Jason in Enid]

Just rocks, no symbols.

 

[A2coins]

Good to ask thats how we learn

 

[A2coins]

Welcome from MI Tommy

 

[Professor of Engineering]

Look natural, keep looking and Good Luck!

 

[angelito1]

welcome to tnet . . . . . . . . . . . . . . . . . .