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4.4 Billion Year Old Piece of Earth's Crust

jack hills zircon crystal earths crust atoms lead

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#1    Still Waters

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Posted 24 February 2014 - 09:51 PM

Ever heard this life advice? When solving a big problem seems impossible, break it into smaller steps.

Well, scientists just took one of geology's biggest controversies and shrunk it down to atomic size. By zapping single atoms of lead in a tiny zircon crystal from Australia, researchers have confirmed the crystal is the oldest rock fragment ever found on Earth 4.375 billion years old, plus or minus 6 million years.

http://www.foxnews.c...lion-years-old/

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#2    Wickian

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Posted 24 February 2014 - 11:48 PM

Well that pretty much proves there was liquid water 4.3 billion years ago.


#3    Dark_Grey

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Posted 24 February 2014 - 11:49 PM

Yes, but unless you were there to see the rocks form, you can't know how old they are.

- Ken Ham

"For God doth know that in the day ye eat [the fruit] thereof, then your eyes shall be opened, and ye shall be as gods, knowing good and evil."

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#4    qxcontinuum

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Posted 25 February 2014 - 01:29 PM

Bullocks, the dating methods we are using are inaccurate. There is no way to tell how old it truly is.


#5    Imaginarynumber1

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Posted 25 February 2014 - 01:45 PM

View Postqxcontinuum, on 25 February 2014 - 01:29 PM, said:

Bullocks, the dating methods we are using are inaccurate. There is no way to tell how old it truly is.

They're actually not inaccurate. That's why we use them.

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#6    ineffectiveArtist

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Posted 25 February 2014 - 01:48 PM

Regardless, if that image is the same type of rock, it's beautiful. Just goes to show that with age, there's beauty.


#7    Calibeliever

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Posted 25 February 2014 - 04:44 PM

View Postqxcontinuum, on 25 February 2014 - 01:29 PM, said:

Bullocks, the dating methods we are using are inaccurate. There is no way to tell how old it truly is.
Please explain?


#8    paperdyer

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Posted 25 February 2014 - 07:10 PM

This article says a collision. A while ago an article here theorized the Earth stole the Moon from Venus.  I feel like Vinnie Barbarino "I'm so confused!"


#9    dummy2b

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Posted 25 February 2014 - 08:39 PM

You are not alone.Ever Tom Dick and Harry that says they know what happen a billion years ago are confused too.


#10    watoom

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Posted 25 February 2014 - 10:58 PM

View PostDark_Grey, on 24 February 2014 - 11:49 PM, said:

Yes, but unless you were there to see the rocks form, you can't know how old they are.

- Ken Ham

Ken Ham is an embarrassment to Australia


#11    seaturtlehorsesnake

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Posted 26 February 2014 - 03:02 AM

View Postqxcontinuum, on 25 February 2014 - 01:29 PM, said:

Bullocks, the dating methods we are using are inaccurate. There is no way to tell how old it truly is.

if every geologist in the world slammed their head into a desk upon seeing this post, it would cause a minor seismic event. fact.


#12    psyche101

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Posted 26 February 2014 - 03:59 AM

View Postwatoom, on 25 February 2014 - 10:58 PM, said:

Ken Ham is an embarrassment to Australia



And that is being very kind.

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#13    Codenwarra

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Posted 26 February 2014 - 09:38 AM

I've seen the instruments used for this, in the basement at Geoscience Australia in Canberra.  There are several around the world.  
http://www.ga.gov.au...facilities.html

Zircons dated in 2000 or 2001.
http://www.geology.w...e2001Nature.pdf





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