Latest News

G-Probe Rounds 29 (MORB glass) & 30 (Limestone) now coming June 2024

For technical reasons shipping of test materials will be delayed until end of June. 

The test materials for Round 29 (MORB glass) and Round 30 (nanoparticulate powder pellet of limestone) are currently being tested for homogeneity. Rock forming minerals are planned as test materials for the next round(s). 

The reports for Rounds 27 and 28 (2023) are available for participants to download. The test materials were basanite glass (Round 27) and a nanoparticulate powder pellet of a fossil coral (Round 28)


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