Not just for rock hounds and mineralogists
In order to date a sample using radioactive age dating, you need to know all of the following except:
by Please let us suggest categories again on March 6th, 2010
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one answer
| in Rocks and minerals
Radioactive age dating of a rock measures the time since:
by Please let us suggest categories again on March 6th, 2010
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one answer
| in Rocks and minerals
The oldest rocks, as measured by radioactive age-dating, have been found:
by Please let us suggest categories again on March 6th, 2010
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no answers
| in Rocks and minerals
Is a diamond that's HIJ and I3 a bad diamond?
by caitk2206 on February 13th, 2010
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one answer
| in Diamonds
can you use a flourent black light to identify opals
by likescherrys on February 5th, 2010
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one answer
| in Rocks and minerals
how is gold is really formed?
by kaylyn on January 28th, 2010
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2 answers
| in Gold
how are sedimentary rocks formed?
by elderwand on January 27th, 2010
| 1 person likes this
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2 answers
| in Rocks and minerals
What Kind of rock is this?
here is the pic, im not sure what kind it is its red, nd i found it...
http://i47.tinypic.com/fmuxa9.jpg
by LilJay0130 on January 15th, 2010
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5 answers
| in Rocks and minerals
Is it possible to tell if a diamond is real by feeling the bottom of the stone?
by ajprovost68 on January 14th, 2010
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one answer
| in Diamonds
I live in southern California... do you know why there is a lot of people buying gold? Everyday there's a different lady knocking at my door asking if I want to sell my gold... It's so bad that I had to put a sign out there that says I don't sell gold.
by SO.CAL on December 10th, 2009
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2 answers
| in Gold
I had just bought a gift which I was told was 'solid silver', but looking closely at the hallmark it shows '715'. What does this mean? Is it silver?
by partyparty on December 4th, 2009
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one answer
| in Silver
Wat mountin is made of metamorphic rock
by leo leo on December 3rd, 2009
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no answers
| in Rocks and minerals
Gold cost over $1200 an ounce. Can gold go any higher?
by HoboJoe on December 2nd, 2009
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one answer
| in Gold
Is it a good time to sell all my gold?
by Ed the Jetpacking Headbanger on December 2nd, 2009
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8 answers
| in Gold
A sample of igneous rock is found to contain 7 times as much Ar40 as K40. How long ago did the rock solidify?
a.3.9 billion years ago.
b.5.2 million years ago.
c.2.6 billion years ago.
d.1.3 billion years ago.
thanks guys!
by Anonymous on December 1st, 2009
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2 answers
| in Rocks and minerals
What is the name of the largest diamond in South Africa
by Anonymous on November 24th, 2009
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one answer
| in Diamonds
Do you have at least 1 ounce of gold in your possession not including jewelry?
by Barkley Hound on November 23rd, 2009
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one answer
| in Gold
What will stop gold from rising in value?
by keithold thanks all baggers on November 22nd, 2009
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one answer
| in Gold
I was down at the beach today, and i found this black rock growing out of cliff. It looks like obsidian, but crumbles way to easily. Does anyone know what it is?
by yoshikawa on November 22nd, 2009
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no answers
| in Rocks and minerals
Do igneous rocks form above the surface or below the surface of the earth? For those of you who haven't reviewed this in a while.. answer with prior knowledge.. no cheating ;)
by Ariiie on November 21st, 2009
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4 answers
| in Rocks and minerals
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