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Sub-aqueous sulfur volcanoes at Waiotapu, New Zealand

Grimes, S, Rickard, D, Browne, P, Simmons, S and Jull, T 1999. Sub-aqueous sulfur volcanoes at Waiotapu, New Zealand. Geothermics 28 (6) , pp. 729-738. 10.1016/S0375-6505(99)00020-6

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Abstract

Exhumed, sub-aqueous sulfur mounds occur in the Waiotapu geothermal area, New Zealand. The extinct mounds are <2 m high and composed of small (<0.5 cm) hollow spheres, and occasional teardrop-shaped globules. They are located within a drained valley that until recently was connected to Lake Whangioterangi. They were formed a maximum of 820±80 years BP as a result of the rapid sub-aqueous deposition of sulfur globules, formed when fumarolic gases discharged through molten sulfur pools. Similar globules are now being formed by the discharge of fumarolic gases through a sub-aqueous molten sulfur pool in Lake Whangioterangi.

Item Type: Article
Status: Published
Schools: Earth and Ocean Sciences
Publisher: Elsevier
ISSN: 0375-6505
Last Modified: 28 Feb 2019 15:30
URI: http://orca.cf.ac.uk/id/eprint/119959

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