International Association of Geoanalysts - GeoPT



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GeoPT test materials for Rounds 47, 47A and 48 have been dispatched: the system is now open for receiving data

GeoPT test materials for Rounds 47, 47A and 48 have been dispatched to participants. Our schedule is currently as described in accompanying documentation and in the dispatch notification sent some weeks ago. We may review it in response to the evolving global situation with regard to the Covid pandemic. In addition the system is now ready to receive data for Rounds 47 and 47A. The deadline for submission of results is set to 20th November.

Reports for the Autumn 2019 test materials, GeoPT46 (Granodiorite, HG-1) and GeoPT46A (Phosphate rock, POLC-1), are available for download.

For enquiries about:

The programme and the website, contact Peter Webb:

Delivery of test materials, contact Charles Gowing:

Payments and subscriptions, contact Chris Jackson:

The G-Probe proficiency testing programme is provided by the International Association of Geoanalysts (IAG):

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International Association of Geoanalysts - GeoPT
British Geological Survey
Environmental Science Centre
Nicker Hill
NG12 5GG
Telephone: +44 (0)115 936 3345

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