[meteorite-list] Re-2: Question About Potassium-Argon (K/Ar) dates for North American and Austr

From: Michael L Blood <mlblood_at_meteoritecentral.com>
Date: Tue, 14 Oct 2008 11:32:15 -0700
Message-ID: <C51A33BF.1AD81%mlblood_at_cox.net>

Hi Bernd & all,
        Just what I've always been told. Perhaps it is applicable to
All super heater natural glass?????
        Michael

on 10/14/08 10:59 AM, bernd.pauli at paulinet.de at bernd.pauli at paulinet.de
wrote:

> Paul inquires:
>
> "Can anyone recommend a publication that provides a comprehensive
> listing of Potassium-Argon (K/Ar) dates that have been published for
> the North American and Australasian tektites?"
>
> Michael Blood writes:
>
> "K-Ar dating is only applicable to volcanic material,
> therefore, It would not be applicable to tektites.
>
> Michael, are you sure???
>
> LO C-H. et al. (2002) Laser fusion argon-40/argon-39 ages
> of Darwin impact glass (MAPS 37-11, 2002, pp. 1555-1562).
>
> SCHWARZ W.H. et al. (2002) Coeval argon-40/argon-39 ages of moldavites
> from the Bohemian and Lusatian strewn fields (MAPS 37-12, 2002, pp.
> 1757-1763).
>
> M.A. LAURENZI et al. (2003) 40Ar/39Ar laser probe dating of the Central
> European tektite-producing impact event (MAPS 38-6, 2003, 887-893).
>
>
> Best wishes,
>
> Bernd
>
>
>
>
> To: mlblood at cox.net
> bristolia at yahoo.com
> meteorite-list at meteoritecentral.com
>
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Received on Tue 14 Oct 2008 02:32:15 PM PDT