icevolc project XXXII expedition

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XXXII Expedition

The XXXII expedition was the first of ICE-VOLC project. The scientific activities dealt with:

• Geochemistry

• Volcanology

• Seismology

Geochemistry

The geochemical investigation performed during 21 November– 22 December 2016 mainly focused on the fumaroles of both Mt. Melbourne and Rittmann. The following activities were performed:

- Thermal analysis of the fumarole areas.

- Identification and mapping of 10 ice-caves on Mt. Melbourne and 1 on Mt. Rittmann.

- Collection of 66 samples of gas.

Antarctica ICEVOLC geochemistry volcanoes

Fumarole gasses collected using two-way glass bottle and glass vials.

Antarctica ICEVOLC geochemistry volcanoes

List of the 66 gas samples taken at Mt. Melbourne and Rittmann volcanoes.

© PNRA

© PNRA

© PNRA

Volcanology

During 10 January – 6 February 2017, the following volcanological activities were carried out:

- Survey of Mt. Melbourne and Rittmann to identify outcrops in the deglaciated areas.

- Collection of two samples of 2 scoria bombs on Mt. Rittmann.

- Collection of 5 samples of ash within the glaciers close to Mt. Melbourne.

- Collection of 30 samples of pumice, lava bombs, scoria from Mt. Melbourne.

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Antarctica ICEVOLC rock geochemistry volcanoes

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Antarctica ICEVOLC rock geochemistry volcanoes

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Antarctica ICEVOLC rock geochemistry volcanoes

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Antarctica ICEVOLC rock geochemistry volcanoes

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Antarctica ICEVOLC rock geochemistry volcanoes

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Antarctica ICEVOLC rock geochemistry volcanoes

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Antarctica ICEVOLC rock geochemistry volcanoes

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Antarctica ICEVOLC rock geochemistry volcanoes

© PNRA

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Seismology

The main purpose of the seismic activities during the XXXII expedition was to collect information to choose the site where a permanent station will be installed in the XXXIII expedition. Hence, during 10 January – 6 February 2017 the following activities were carried out:

- Recordings of 68 days of data by two 3C seismic stations installed in 9 different sites: 2 in Tethys Bay, 2 on Mt. Rittmann and 5 on Mt. Melbourne.

- Radio transmission test.

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