DHA-18_Ar1 < 20191203110642-246330 > on dha-18_Ar1 pub determined by isotope dilution mass spectrometry with 38Ar spike with Micromass VG5400

measured value uncertainty unit
36Ar 1.8614 0.0321 pg/g
40Arrad 0.0159 0.0052 ng/g
40Ar/36Ar 303.7 2.5
air fraction 97.5 %
tables:
  • Table 2-4. Results of K-Ar dating for mafic volcanic rocks from 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 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 S3-3.Trace-element compositions (ppm) of mafic volcanic rocks from 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 S2-3. Major-element compositions (wt%) of mafic volcanic rocks from 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