Ancient Tile Floor Found in Oklahoma

Very interesting thread. Thanks for bringing it back to the top.

While I can't disprove absolutely that the picture posted by the OP is not of ancient tiles, I have to say that I agree with the above posters that it is in fact a fractured limestone formation.

The picture below of a fractured limestone bed (near Bristol Channel, England) illustrates that very unique fractures can occur that resemble man-made items, in this case a road.

It's a shame I didn't see this thread back when it was started. I was living near Oklahoma City at the time...I know exactly what/where the 122nd st. broadway extension is, but I didn't go that far north too often, so unfortunately there's little I can help with via my memory. I would have loved to go check it out, though...

Here's a page with photos showing natural fractures in rocks (it's worth scrolling down to see the weird stuff they do). And there's a cool picture of joints forming during an explosion :
ic.ucsc.edu...


And here's one that looks similar to that "tile floor"
www.cpge.utexas.edu...

It comes from this page, and as you see, they clearly label it a geologic formation:
www.cpge.utexas.edu...

There's more, but that will get you started.