Comments on: Earth's Precious Metals Could Be From Meteorites and Asteroids

By: Tyler Durden

Tyler Durden — Thu, 25 Sep 2008 03:36:45 +0000

"The Earth formed out of the same material as the asteroids/meteorites so I imagine everything was already here to make up almost all the water and precious minerals."

Perhaps, but it's been shown that for a great deal of time, hundreds of millions of years at least, the Earth was a ball of molten lava.

That would tend to destroy water and life, and made it difficult for precious minerals and metals to stay near the surface – metal sinks in lava, which is why the Earth has a metal core.

By: Mandar

Mandar — Tue, 23 Sep 2008 15:54:45 +0000

Assuming this theory to be valid, wouldnt the concentration of these precious metals be in the proximity of the crust close to the impacts. However i believe thatÂ´s not the case.

Or is there a chance of the meteorite composition getting randomly distributed?

By: Wes

Wes — Tue, 23 Sep 2008 12:35:15 +0000

Also, why would a rock sat squarely and gently on the surface of Mars be thought to be a meteorite? Did it parachute down to the surface? Sometimes I wonder about the so called experts in charge of science. They come up with some pretty silly things at times. Reminds me of when I was 5 and I thought the first volcanic rock I saw was a meteorite due to the holes. Seriously, what.. WHAT evidence at all is there that the rock in the last photo is a meteorite, when ALL available evidence suggests the contrary??

By: Wes

Wes — Tue, 23 Sep 2008 12:29:59 +0000

Shouldn't the title have the 'asteroids' removed? I mean, how do precious metals in asteroids get to earth without first becoming meteorites??

By: alandee

alandee — Tue, 23 Sep 2008 05:16:57 +0000

Now, all I have to do is find one, mine one and, and I'll be rich, rich I tells ya, mwuhuhauhhaaa ..

By: Joe Strickland

Joe Strickland — Mon, 22 Sep 2008 22:52:01 +0000

jerry,

Really? Got some links? Hadn't seen anything here about that.

By: jerry

jerry — Mon, 22 Sep 2008 16:14:37 +0000

…and the theory that this whole bombardment and early formation history is based upon is being challenged by the chamical makeup of Kuiperbelt objects.

….stay tuned.

By: Sili

Sili — Mon, 22 Sep 2008 16:13:29 +0000

Thank you for using "thousand millions".

By: Bill Illis

Bill Illis — Mon, 22 Sep 2008 14:22:10 +0000

Why does everything on Earth have to come from meteorite bombardment – water, precious metals, life even.

The Earth formed out of the same material as the asteroids/meteorites so I imagine everything was already here to make up almost all the water and precious minerals.