Bychkov et al. (2020) Boron Isotope Fractionation between Liquid and Gas at Saturated Water Vapor Line, Geochemistry International, 58, 1257-1261, doi:10.1134/S001670292011004X. < 20210202063546-888953 > pub

Map on Earth or stone. Places and analyses are shown.

  • abstract:

    The first experimental data were obtained on the distribution of boron isotopes between gas and liquid at 100–350°С and the pressure of saturated water vapor, and the effect of pH on this distribution at 100°С was studied. The results showed that the value of δ11Bgas – δ11Bliquid was 5.9, 3.7, 1.1, 0.8, and –1.3 ‰ at 100, 200, 250, 300, and 350°С. In an alkaline solution, the boron distribution coefficient between gas and liquid decreases, and the isotopic shift increases; at 100°C and pH 9.1 it is 17.0. The isotopic composition of the boron of thermal waters of the Mutnovsky geothermal system (Kamchatka Peninsula, Russia) was investigated. In thermal springs, a large spread of δ11B values from 2.8 to 18‰ was determined. A wide range of isotopic compositions can be explained by the fractionation of boron between gas and liquid.

  • doi: 10.1134/S001670292011004X
  • modified at 2021-02-03
i19-15K < 20190903143353-786164 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 11.0
  • description: Mutnovsky volcano, Dachnye Spring; condensate
  • modified at 2021-02-03
Ti hr 740270381 thumb i19-17C < 20190903143440-542101 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 53.0
  • description: Mutnovsky volcano, GEO-6 well, liquid
  • modified at 2021-02-03
Ti hr90850289 thumb i19-1B < 20190903143510-904390 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 53.0
  • description: Mutnovsky volcano, Dachnye Spring; liquid
  • modified at 2021-02-03
Ti hr 386733644 thumb i19-15B < 20190903143537-349438 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 53.0
  • description: Mutnovsky volcano, Dachnye Spring; liquid
  • modified at 2021-02-03
Ti hr1691847018 thumb i19-5B < 20190903143604-985606 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 53.0
  • description: Mutnovsky volcano, Medvezhye Spring; liquid
  • modified at 2021-02-03
Ti hr 1424528894 thumb i19-1K < 20190903143631-867350 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 11.0
  • description: Mutnovsky volcano, Dachnye Spring; condensate
  • modified at 2021-02-03
Ti hr1792657788 thumb i19-17KC < 20190903143926-152968 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 53.0
  • description: Mutnovsky volcano, GEO-6 well, condensate
  • modified at 2021-02-03
Ti hr1594027469 thumb i19-5K < 20190903144434-669091 >pub
  • classification: aqueous
  • physical-form: liquid
  • quantity (g): 11.0
  • description: Mutnovsky volcano, Medvezhye Spring; condensate
  • modified at 2021-02-03
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i19-15K pub TIMS Thermo-Fisher Triton 1 20210202065928-368255
i19-17C pub TIMS Thermo-Fisher Triton 2 20210202065928-966164
i19-1B pub TIMS Thermo-Fisher Triton 2 20210202065928-639869
i19-15B pub TIMS Thermo-Fisher Triton 2 20210202065928-168386
i19-5B pub TIMS Thermo-Fisher Triton 2 20210202065928-758292
i19-1K pub TIMS Thermo-Fisher Triton 1 20210202065928-278611
i19-17KC pub TIMS Thermo-Fisher Triton 2 20210202065928-540093
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Table 2. Boron content in water and condensates of the Mutnovsky geothermal system and isotopic composition of boron in the liquid phase pub 20210202070010-017098 B+d11B 8
manual
  • name
  • Bychkov, Andrei Yu.
  • Nikolaeva, I. Yu.
  • Bychkova, Yana V.
  • Sakaguchi, Chie
  • Nakamura, Eizo