Magmatic Carbon and Helium in Springs Reveals the Vitality of a Dormant Volcano, Taranaki, New Zealand

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Title

Magmatic Carbon and Helium in Springs Reveals the Vitality of a Dormant Volcano, Taranaki, New Zealand

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The University of Auckland Library

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ResearchSpace@Auckland

Description

A challenge in monitoring long‐dormant volcanoes is to discover early signs of reawakening. Mineral springs on Taranaki volcano (2,518 m, New Zealand) have elevated carbonate concentrations, δ13CDIC ∼ −5‰ (VPDB) and He isotopes from 5.13 to 5.92 RA, indicating a magmatic volatile source. Stable isotopes demonstrate water recharge occurs near the volcano's summit. Volatile anions and silica are low in a cold (5oC) flank spring at 1,000 m a.s.l., yet elevated in warm springs (25–32oC) associate...

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Format

Research paper

Research format

Journal article

Date created

2022-09-28

Creator

Werner, C / Schipper, CI / Cronin, SJ / Barry, PH / Stewart, MK

URL

https://hdl.handle.net/2292/66031

Related subjects

37 Earth Sciences / 3703 Geochemistry / 3705 Geology / 3706 Geophysics / Science & Technology / Physical Sciences / Geosciences, Multidisciplinary / Geology / CO2 degassing / unrest / dormant / cold spring / tritium dating / hydrothermal / ISOTOPIC COMPOSITION / NORTH-ISLAND / GASES / CO2 / WATER / FRACTIONATION / SYSTEMATICS / EGMONT / FLUIDS

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