The first tunnels date back to 60 B.C.

Tura Caves

The crate is at the bottom of Ryder's Quarry.

According to the Roman scholar Pliny the Elder, citizens of the Empire believed that limestone from a quarry near Troy would dissolve flesh.

Limestone pie and hot melted silver.

But after some nagging, I got him to do that.

It looks beautiful.

We're not killing the colony we're taking a small core sample out of the top.

I kept thinking about Ryder's Quarry. You know the place?

And then they are fossilized over millions of years.

Well, we have to take a little excursion, and we'll start in central Texas.

Maybe they could extract carbon dioxide.

They shouldn't be there. And we called it Lost City.

Hands weathered and worn and proud of it.

Shane took him down to the quarry.

Latin'calx 'for'lime'

But also, if there is something that we cannot reach because it is too high on a cliff, we have a little laser system which will actually zap the rock, evaporate some of it, and actually analyze what's coming from that rock.

Here's from Big Sur, like they're little jewels.

It's about 400 million years old.

The dip slopes in the overlying limestone, the orientation of the flora, shallow waters...

The dead have been covered with lime.

Parks old quarries that they were transformed into parks.

Over on the eastern side it's gentle, as you can see.

We're moving out, leaving the quarry.

Energy Return on Energy Invested.

Now, this is the very interesting part.

And this is the Wire Opera theater. We did it in two months.

Please don't worry...

I picked this up at MlT. It's a little younger.

Here's from Big unclear , like they're little jewels.

What we are going to be doing with that Rover as it drives around, it's going to go and analyze the chemical composition of rocks.

We're in Pole Canyon, looking west up the western escarpment of Mount Washington, which is 11,600 feet on top.

Maeyoungok has never lost her quarry.

So I looked up a plastic so I decided that I could mine some of this modern day rock.

All of the assignments involve hands on activities, from creating an outfit for a rock person... gt gt Student

We call these slabs of the solid rock layer 'plates'.

There are huge walls buried under limestone plateau in the northeast of the Great Pyramid of Khufu.

And there are chambers carved in the rock concrete walls, stone, the natural rock when possible with the light shafts.

Well, you look at modern hunter gatherers like aboriginals, who quarried for stone axes at a place called Mount Isa, which was a quarry owned by the Kalkadoon tribe.

In North America in the northern plains of the United States and the southern plains of Alberta and Saskatchewan, there's this unit of rock called the Hell Creek Formation that produces the last dinosaurs that lived on Earth.

You put the stick in the powder to take the sacred ashes well, they're not ashes, they're burnt limestone to empower the coca leaf, to change the pH of the mouth to facilitate the absorption of cocaine hydrochloride.

The bear left no stone unturned in his search for fat bugs under the rocks.

The other side of the island is rock bluffs all the way down to the edge of the water.

like these.

The shores are from a different location.