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

[Michael L Blood]

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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