Geldmacher, Jörg (2023) 1. Wochenbericht RV METEOR Expedition M191. . GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, 2 pp.

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Abstract

RV METEOR Expedition M191 „SUAVE“,
16.07. – 05.08.2023, Algeciras – Piraeus.

The RV METEOR expedition M191 (SUAVE = Submarine volcanism in the western
Sicilian Channel) is a joint project of GEOMAR Helmholtz Centre for Ocean
Research Kiel (Germany), the University of Malta (Malta), the University of
Birmingham (United Kingdom) and the Instituto Nazionale di Oceanografia e di
Geofisica Sperimentale (OGS) (Italy) with cruise participants from these institutes as
well as from the Monterey Bay Aquarium Research Institute (MBARI) (USA), Victoria
University Wellington (New Zealand), and the Universities of Oxford and Edinburgh
(United Kingdom).
The main working area is the Sicilian Channel, located south of Sicily (Fig. 1), where
tectonic movements cause melting in the upper mantle, presumably by
decompression along extensional fracture zones and rifts. Therefore, magmatism is
widespread and includes the volcanic islands of Pantelleria and Linosa, and
numerous submarine volcanic edifices. Although some magmatic products date to
9.5 Ma, submarine eruptions have been reported up to historical times, such as at
Pinne Bank during the first Punic War (264-261 BC), Graham Bank in 1831, and 5
km NW of Pantelleria in 1891.

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