TS45_Ar1 < 20191129094023-152948 > on TS45_Ar1 pub determined by isotope dilution mass spectrometry with 38Ar spike with Micromass VG5400

measured value uncertainty unit
36Ar 1.7956 0.0289 pg/g
40Arrad 0.7228 0.0118 ng/g
40Ar/36Ar 645.5 2.9
air fraction 45.0 %
tables:
  • Table 2-1. Results of K-Ar dating for mafic volcanic rocks from NW plateau (Maychew) 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 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 S2-1. Major-element compositions (wt%) of mafic volcanic rocks from Maychew in NW Plateau 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 S3-1.Trace-element compositions (ppm) of mafic volcanic rocks from Maychew in NW Plateau 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