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Questions about Xenoliths and dating

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Author Topic:   Questions about Xenoliths and dating
Human Shield
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Human Shield Posts Only
Message 1 of 2 (264262)
11-29-2005 6:30 PM

Is lava flows the only way to 'zero' a date? I heard that testing that produces older ages then expected is the resault of xenoliths (older rocks in the material). Are these xenoliths easily identified, or are they assumed?
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Does lavaflow always reset the clock? If the conditions were different, would cooled lava flows contain different ratios?
AdminNosy
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Posts: 4754
From: Vancouver, BC, Canada
Joined: 11-11-2003

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Message 2 of 2 (264301)
11-29-2005 7:51 PM

Thread copied to the Questions about Xenoliths and dating thread in the Dates and Dating forum, this copy of the thread has been closed.
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