3He/4He ratios of fumaroles and bubbling gases of hot springs in Tatun Volcano Group, North Taiwan

Yang, T.F. and Sano, Y. and Song, S.R. (1999) 3He/4He ratios of fumaroles and bubbling gases of hot springs in Tatun Volcano Group, North Taiwan. Il nuovo cimento C, 22 C (3-4). pp. 281-286. ISSN 1826-9885

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Abstract

Eleven representative fumarolic gases and bubbling gases of hot springs have been collected from Tatun Volcano Group, North Taiwan for the helium isotope measurement. All the samples, except one, exhibit consistent corrected helium isotope ratios (3He/4He) with the mean value of 4.67 times of air ratios (RA). The preliminary helium data show that more than 60% of helium composition comes from deep magmatic source in this area. It implies that a relic magma reservoir may still exist underneath North Taiwan.

Item Type: Article
Additional Information: Paper presented at the “Fourth International Conference on Rare Gas Geochemistry”, Rome, October 8-10, 1997.
Uncontrolled Keywords: Interactions between exterior sources and interior properties; volcanology; volcano seismology; conference proceedings
Subjects: 500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia > 551.9 Geochimica
Depositing User: Marina Spanti
Date Deposited: 10 Oct 2019 06:56
Last Modified: 10 Oct 2019 06:56
URI: http://eprints.bice.rm.cnr.it/id/eprint/13250

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