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RT @USGSMinerals: Isotopic data for Late Cretaceous intrusions & associated altered & mineralized rocks in Big Belt Mountains #Montana http…
RT @USGSMinerals: Isotopic data for Late Cretaceous intrusions & associated altered & mineralized rocks in Big Belt Mountains #Montana http…
Isotopic data for Late Cretaceous intrusions & associated altered & mineralized rocks in Big Belt Mountains #Montana https://t.co/LaKC653jDe https://t.co/70KwMpatp7