Erosion Process Quotes

The soft droppes of rain perce the hard marble.

But high up on the mountain When the wind is hitting it If you're watching very closely The rock slips a little bit.

As for the flood carving Grand Canyon, why don't they explain to us why the top of the Canyon is 4,000ft higher than where the river (Colorado River) enters the canyon? Why don't they explain to us how rivers miraculously flowed up-hill for millions of years to finally cut the groove deep enough so they could flow downhill?

A rugged stone growes smooth from hand to hand.

Think of a rock polisher, one of those drums, goes round and round, rolls twenty-four/seven, full of water and rocks and gravel. Grinding it all up. Round and round. Polishing those ugly rocks into gemstones. That’s the earth. Why it goes around. We’re the rocks. And what happens to us—the drama and pain and joy and war and sickness and victory and abuse—why, that’s just the water and sand to erode us. Grind us down. To polish us up, nice and bright.

The sediments of the past are many miles in collective thickness: yet the feeble silt of the rivers built them all from base to summit.

Now, to find dinosaurs, you hike around in horrible conditions looking for a dinosaur. It sounds really dumb, but that's what it is. It's horrible conditions, because wherever you have nice weather, plants grow, and you don't get any erosion, and you don't see any dinosaurs.

One billion grains of sand come into existence in the world each second. That's a cyclical process. As rocks and mountains die, grains of sand are born. Some of those grains may then cement naturally into sandstone. And as the sandstone weathers, new grains break free. Some of those grains may then accumulate on a massive scale, into a sand dune.

The worse the country, the more tortured it is by water and wind, the more broken and carved, the more it attracts fossil hunters, who depend on the planet to open itself to us. We can only scratch away at what natural forces have brought to the surface.

In several sections, both natural in the banks of the Mississippi and its numerous arms, and where artificial canals had been cut, I observed erect stumps of trees, with their roots attached, buried in strata at different heights, one over the other.