Trans-crustal structural control of CO2-rich extensional magmatic systems revealed at Mount Erebus Antarctica
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985530%3A_____%2F22%3A00558416" target="_blank" >RIV/67985530:_____/22:00558416 - isvavai.cz</a>
Result on the web
<a href="https://www.nature.com/articles/s41467-022-30627-7" target="_blank" >https://www.nature.com/articles/s41467-022-30627-7</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1038/s41467-022-30627-7" target="_blank" >10.1038/s41467-022-30627-7</a>
Alternative languages
Result language
angličtina
Original language name
Trans-crustal structural control of CO2-rich extensional magmatic systems revealed at Mount Erebus Antarctica
Original language description
Erebus volcano, Antarctica, with its persistent phonolite lava lake, is a classic example of an evolved, CO2-rich rift volcano. Seismic studies provide limited images of the magmatic system. Here we show using magnetotelluric data that a steep, melt-related conduit of low electrical resistivity originating in the upper mantle undergoes pronounced lateral re-orientation in the deep crust before reaching shallower magmatic storage and the summit lava lake. The lateral turn represents a structural fault-valve controlling episodic flow of magma and CO2 vapour, which replenish and heat the high level phonolite differentiation zone. This magmatic valve lies within an inferred, east-west structural trend forming part of an accommodation zone across the southern termination of the Terror Rift, providing a dilatant magma pathway. Unlike H2O-rich subduction arc volcanoes, CO2-dominated Erebus geophysically shows continuous magmatic structure to shallow crustal depths of < 1 km, as the melt does not experience decompression-related volatile supersaturation and viscous stalling.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10507 - Volcanology
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Nature Communications
ISSN
2041-1723
e-ISSN
2041-1723
Volume of the periodical
13
Issue of the periodical within the volume
1
Country of publishing house
GB - UNITED KINGDOM
Number of pages
10
Pages from-to
2989
UT code for WoS article
000805647600024
EID of the result in the Scopus database
2-s2.0-85130960852