some biotite gneiss for #ThinSectionThursday from North Rona hopefully getting some in situ zircon zapping tomorrow :) (FOV 3 cm) pic.twitter.com/bAZm9076nF
— tectonictweets (@tectonictweets) June 27, 2019
via Twitter https://twitter.com/tectonictweets
June 27, 2019 at 08:17PM
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