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RT @UMichEarth_pubs: Tristan studied #iron and #oxygen isotopes and wrote about it in Economic Geology https://t.co/ozagRBmLBE
RT @UMichEarth_pubs: Tristan studied #iron and #oxygen isotopes and wrote about it in Economic Geology https://t.co/ozagRBmLBE
RT @UMichEarth_pubs: Tristan studied #iron and #oxygen isotopes and wrote about it in Economic Geology https://t.co/ozagRBmLBE
Tristan studied #iron and #oxygen isotopes and wrote about it in Economic Geology https://t.co/ozagRBmLBE