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Evolution of Br/Cl ratios in fumarolic salammoniac from Vulcano (Aeolian Islands, Italy)

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Abstract

 Bromine/chlorine ratios in salammoniac samples, collected from 1983 to 1994 at the Fossa crater fumaroles of Vulcano (Aeolian Islands), were determined. The data obtained in this work have been compared to those obtained by Coradossi et al. (1985) in order to carry out a systematic study of the Br/Cl ratio variations since 1977. Br/Cl ratios range from 0.04 to 0.29. The Br/Cl ratio variations observed have been interpreted as the result of different contributions among deep and shallow components feeding the fumarolic fluids of Vulcano. The Br/Cl increases, which occurred from 1977 to 1979, in 1983–1984 and in 1992–1993, have been connected to an increased input of magmatic gases.

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Authors and Affiliations

  1. Department of Earth Science, University of Florence, Via G. La Pira, 4, I-50121 Florence, Italy, , , , , , IT

    Nara Coradossi

  2. Department of Geomineralogical Science, Via E. Orabona, 4, University of Bari, I-70125 Bari, Italy Fax: +39 80 544 2591, , , , , , IT

    Anna Garavelli & Filippo Vurro

  3. Enel Laboratory, Via B. Buozzi, 35, I-70123 Bari, Italy, , , , , , IT

    Martino Salamida

Authors
  1. Nara Coradossi
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  2. Anna Garavelli
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  3. Martino Salamida
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  4. Filippo Vurro
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Received: 10 November 1995 / Accepted: 12 July 1996

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Coradossi, N., Garavelli, A., Salamida, M. et al. Evolution of Br/Cl ratios in fumarolic salammoniac from Vulcano (Aeolian Islands, Italy). Bull Volcanol 58, 310–316 (1996). https://doi.org/10.1007/s004450050142

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  • DOI: https://doi.org/10.1007/s004450050142

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