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Earth was a 'water world' 3 billion years ago

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Piney

The whole planet was probably covered in a shallow ocean pre-plate tectonics. 

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Orphalesion
Posted (edited)

We should have stayed an ocean world.

*starts singing*

Under the Sea...Under the Sea...

There's no accusations, just friendly crustaceans

Under the Seaaaaaaaa

Edited by Orphalesion
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Tuco's Gas

Hmm...this explains why tiny seashells keep clogging up my sprinkler system, even though I live in the middle of Texas.

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qxcontinuum

Just curious: what happened with all that water?

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simplybill
Posted (edited)
35 minutes ago, qxcontinuum said:

Just curious: what happened with all that water?

I remember a discussion about this a few years ago:

“The water is locked up in a mineral called ringwoodite about 660km (400 miles) beneath the crust of the Earth, researchers say. Geophysicist Steve Jacobsen from Northwestern University in the US co-authored the study published in the journal Science and said the discovery suggested Earth’s water may have come from within, driven to the surface by geological activity, rather than being deposited by icy comets hitting the forming planet as held by the prevailing theories.”

https://www.theguardian.com/science/2014/jun/13/earth-may-have-underground-ocean-three-times-that-on-surface

Edited by simplybill
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Festina
Posted (edited)
On 3/2/2020 at 3:31 PM, Tuco's Gas said:

Hmm...this explains why tiny seashells keep clogging up my sprinkler system, even though I live in the middle of Texas.

I hear Texas is great for fossil hunting— was told to bring a gun, rattlers everywhere. 

Found many seashell fossils behind my house as a kid in NJ.   Didn’t have to dig for them, they were on the surface and  they were abundant. 

The Water of LIFE. 

 

Edited by Festina
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