DBAG-63 < 20180220142122-890384 > on DBAG-63-1 pub determined by isotope dilution mass spectrometry with 38Ar spike with Micromass VG5400

measured value uncertainty unit
air fraction 73.7 %
36Ar 1.5373e-12 2.57e-14 g/g
40Arrad 1.806e-10 2.9e-13 g/g
40Ar/36Ar 398.4 0.9
tables:
  • Table 5. Results of K-Ar dating on the volcanic rocks from Debre Birhan area. of Feyissa, Dejene Hailemariam (2017) Petrologic and geochemical characterization of rift-related magmatism at the northernmost Main Ethiopian Rift: Implications for plume-lithosphere interaction and the evolution of rift mantle sources, Lithos, 282-283, 240-261. more
  • Table 5. Results of K-Ar dating on the volcanic rocks from Debre Birhan area. of Feyissa, Dejene Hailemariam (2017) Petrologic and geochemical characterization of rift-related magmatism at the northernmost Main Ethiopian Rift: Implications for plume-lithosphere interaction and the evolution of rift mantle sources, Lithos, 282-283, 240-261. more
  • Table S3. Major and trace element data for the Debre Birhan volcanic rocks. of Feyissa, Dejene Hailemariam (2017) Petrologic and geochemical characterization of rift-related magmatism at the northernmost Main Ethiopian Rift: Implications for plume-lithosphere interaction and the evolution of rift mantle sources, Lithos, 282-283, 240-261. more
  • Table 1. Isotopic data for mafic volcanic rocks from Maychew in NW Plateau, Getra-Kele and Tosa- Sucha in SMER, NMER, and Afar of Feyissa, Dejene Hailemariam (2019) Transition from plume-driven to plate-driven magmatism in the evolution of the Main Ethiopian Rift , Journal of Petrology, 60, 1681-1715. more
  • Table 2-3. Results of K-Ar dating for mafic volcanic rocks from NMER of Feyissa, Dejene Hailemariam (2019) Transition from plume-driven to plate-driven magmatism in the evolution of the Main Ethiopian Rift , Journal of Petrology, 60, 1681-1715. more
  • Table S1. Modal abundances (vol%) of phases in representative samples from the Afar and MER of Feyissa, Dejene Hailemariam (2019) Transition from plume-driven to plate-driven magmatism in the evolution of the Main Ethiopian Rift , Journal of Petrology, 60, 1681-1715. more