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- There are many ways to study rocks up-close! 🔬💎 These thin section drawings and images are of feldspar-pyroxene xenoliths, brought up from beneath Fagradalsfjall, Iceland, by erupted basalts🌋 #ThinSectionTuesday #Petrology
- Watch these snowflake-like dendritic clinopyroxenes twinkle as this thin section is rotated in cross-polarised light!❄️☃️ This is a rare volcanic rock called komatiite, from Gorgona. Credit: Charlie Gordon. #ThinSectionTuesday #Petrology #Mineralogy
