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G-Chron Developments – Update

G-Chron

— the proficiency test for age-dating of minerals

One of the few ways to know if you can trust your U-Pb data

2019 Schedule

– Sample dispatch early September: any participant that has not received ther test material should contact us urgently.

– The 2019 round of G-Chron is now CLOSED for reporting data

– Reporting deadline 15 December 2019

– Performance report to be issued March 2020

For enquiries about:

The programme and use of the website, contact Peter Webb and Michael Wiedenbeck: geopt.iag@gmail.com

Payments and subscriptions, contact Chris Jackson: iag-treasurer@virginmedia.com

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G-Chron Organisers for the International Association of Geoanalysts:

Michael Wiedenbeck (Potsdam, Germany) Principal Organiser
Peter Webb (Milton Keynes, UK) Website Administrator
Chris Jackson (Ashford, UK) Subscriptions Manager

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