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Happy Valentine's Day from all of us at GSA! We ❤️ our members!
Image: Glomerocryst of plagioclase and pyroxene in a cordierite-bearing, 105 k.y. old dacite from Lipari (Aeolian Islands, Italy)
Credit: @micROCKScopica pic.twitter.com/ZYktbS8Q03

— geosociety (@geosociety) February 14, 2019

via Twitter https://twitter.com/geosociety

February 14, 2019 at 08:36PM