DHA-36A_Ar2 < 20191203095111-007314 > on DHA-36Ab-2 pub determined by isotope dilution mass spectrometry with 38Ar spike with Micromass VG5400

measured value uncertainty unit
36Ar 3.0329 0.0481 pg/g
40Arrad 0.0908 0.0023 ng/g
40Ar/36Ar 322.9 0.6
air fraction 91.7 %
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
  • 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