TD-1826B_Ar1 < 20191129134122-793735 > on TD-1826B_Ar1 pub determined by isotope dilution mass spectrometry with 38Ar spike with Micromass VG5400

measured value uncertainty unit
36Ar 1.5389 0.0225 pg/g
40Arrad 1.5743 0.0178 ng/g
40Ar/36Ar 1216.0 14.0
air fraction 24.3 %
tables:
  • Table 2-2. Results of K-Ar dating for mafic volcanic rocks from SMER (Getra-Kele and Tosa-Sucha) 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 S2-2. Major-element compositions (wt%) of mafic volcanic rocks from Getra-Kele and Tosa-Sucha in SMER and 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 S3-2.Trace-element compositions (ppm) of mafic volcanic rocks from Getra-Kele and Tosa-Sucha in SMER, and 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