How come the ocean hasn't been absorbed into the ground?

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AI Thread Summary
The discussion explores why Earth's water has not been absorbed into the ground over billions of years, highlighting the role of geological processes. Permeability of various rock layers limits how deep water can penetrate, while the water table defines the saturation point of underground materials. Water does seep into the oceanic crust and is recycled through volcanic activity, where it returns to the surface as steam. The balance between water loss through seepage and replenishment from volcanic eruptions maintains the Earth's water levels. Ultimately, geological dynamics, including plate tectonics, play a crucial role in the water cycle and distribution.
  • #51
billiards said:
Not this old thread again. Looking back at it some of my writing was horrible. It took me a while to figure out what the hell I was thinking.

Omcheeto I was not offended by your accusations that i was an april fools joker, just a little mystified.

You would have to know my history of "PF and April Fools jokes" to understand why I'm always a bit suspicious that time of year:

OmCheeto said:
April 3, 2010
...
Long before the 1st, I even went so far as to try and get Greg's dad to be my friend on facebook in an attempt to find out where the party was. Apparently, the conspiracy went way beyond just PF'ers, and included Greg's entire family. Oh what a tangled web you all weaved.

All in all, it was the best April Fools joke I've ever been subjected to.
Thanks for taking me for the ride.

ps. and I got two new facebook friends out of the deal!
...

I guess I didn't ever think that melting rocks by adding water was anything special. So I didn't understand that you found it quite a mind-boggling concept to accept. I guess on reflection now I realize that it actually is quite a weird phenomenon, and that people don't have any intuitioin for these things built into them, rather we only know this stuff because some scientists observe it empirically, and when I say "we" I guess I'm really only talking about a small subset of the population that have read or heard about these things.

Yes, we surface folk just don't think about such things.

There are 3 main reasons I join threads:
1. I have something to teach
2. That is a really interesting question, and I might learn something
3. Pictures of kittens :-p

This one fell into category 2.
I really appreciate you teaching me about rocks and water.

What was that old quote?

eleanorroosevelt385439.jpg

In the weeks after you taught me that, I must have started at least 30 conversations with;

Guess what I just found out!

Of course, no one believed me.
 
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