Greenstone burial-exhumation cycles at the late archean transition to plate tectonics

HIGHLIGHTS

• who: Zibra Ivan from the Major element analyses and quantitative element mapping via electron probe microanalyzer (EPMA) Quantitative element analyses on thin section (Supplementary Table, ) were acquired on a JEOL JXA F electron probe micro-analyzer instrument, equipped with five tunable wavelength-dispersive spectrometers, at the Centre for Microscopy, Characterisation and Analysis (CMCA) at The University of Western AustraliaOperating conditions were, u00b0 take-off angle, and , keV of beam energy. The beam current was , nA, and the beam diameter was , u00b5m. Elements were acquired using analyzing crystals LiF for Fe ku03b1, Mn ku03b1, PETJ for Ca ku03b1 . . .
  

   

  

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