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Time-lapse characterization of hydrothermal seawater and microbial interactions with basaltic tephra at Surtsey Volcano

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posted on 2023-05-18, 16:00 authored by Jackson, MD, Gudmundsson, MT, Bach, W, Cappelletti, P, Coleman, NJ, Ivarsson, M, Jonasson, K, Jorgensen, SL, Marteinsson, V, Jocelyn McPhieJocelyn McPhie, Moore, JG, Neilson, D, Rhodes, JM, Rispoli, C, Schiffman, P, Stefansson, A, Turke, A, Vanorio, T, Weisenberger, TB, White, JDL, Zierenberg, R, Zimanowski, B
A new International Continental Drilling Program (ICDP) project will drill through the 50-year old edifice of Surtsey Volcano, the youngest of the Vestmannaeyjar Islands along the south coast of Iceland, to perform interdisciplinary time-lapse investigations of hydrothermal and microbial interactions with basaltic tephra. The volcano, created in 1963–1967 by submarine and subaerial basaltic eruptions, was first drilled in 1979. In October 2014, a workshop funded by the ICDP convened 24 scientists from 10 countries for 3 and a half days on Heimaey Island to develop scientific objectives, site the drill holes, and organize logistical support. Representatives of the Surtsey Research Society and Environment Agency of Iceland also participated. Scientific themes focus on further determinations of the structure and eruptive processes of the type locality of Surtseyan volcanism, descriptions of changes in fluid geochemistry and microbial colonization of the subterrestrial deposits since drilling 35 years ago, and monitoring the evolution of hydrothermal and biological processes within the tephra deposits far into the future through the installation of a Surtsey subsurface observatory. The tephra deposits provide a geologic analog for developing specialty concretes with pyroclastic rock and evaluating their long-term performance under diverse hydrothermal conditions. Abstracts of research projects are posted at http://surtsey. icdp-online.org.

History

Publication title

Scientific Drilling

Volume

20

Pagination

51-58

ISSN

1816-8957

Department/School

School of Natural Sciences

Publisher

Copernicus GmbH

Place of publication

Germany

Rights statement

© Author(s) 2015. Licensed under Creative Commons Attribution 3.0 Unported (CC BY 3.0) http://creativecommons.org/licenses/by/3.0/

Repository Status

  • Open

Socio-economic Objectives

Expanding knowledge in the earth sciences

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