Evidence of an active volcanic heat source beneath the Pine Island Glacier

The West Antarctic Ice Sheet sits atop an extensional rift system with volcano-like features, yet we do not know if any of these volcanoes are active, because identifying subglacial volcanism remains a challenge. Here, the authors find evidence in helium isotopes that a large volcanic heat source is...

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Bibliographic Details
Published in:Nature Communications
Main Authors: Brice Loose, Alberto C. Naveira Garabato, Peter Schlosser, William J. Jenkins, David Vaughan, Karen J. Heywood
Format: Article in Journal/Newspaper
Language:English
Published: Nature Portfolio 2018
Subjects:
Science
Q
Antarctic
West Antarctic Ice Sheet
Pine Island Glacier
Antarc*
Ice Sheet
Online Access:https://doi.org/10.1038/s41467-018-04421-3
https://doaj.org/article/ac5f35edc4084065a2ea8d1450bdbf4d
Description
Summary:The West Antarctic Ice Sheet sits atop an extensional rift system with volcano-like features, yet we do not know if any of these volcanoes are active, because identifying subglacial volcanism remains a challenge. Here, the authors find evidence in helium isotopes that a large volcanic heat source is emanating from beneath the fast-melting Pine Island Ice Glacier.

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