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Fluorapatite

Fluorapatite

3Ca3(PO4)2-CaF2;a naturally occurring fluorophosphate of calcium.


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argument against the uranium-in-zircon dating

... significant and related to cooling through very low temperatures. This idea was supported by helium diffusion measurements on gem quality Durango fluorapatite which indicated a closure temperature of just 100 ? +/- 3O”C, a value recently confirmed on several additional apatites (Lippolt et al., ...

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by mith
Mon Sep 22, 2008 11:56 pm
 
Forum: Evolution
Topic: argument against the uranium-in-zircon dating
Replies: 17
Views: 12378


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