Internal structure and volcanic hazard potential of Mt Tongariro, New Zealand, from 3D gravity and magnetic models
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文摘

A new 3D geologically constrained geophysical model of Mount Tongariro is presented.

A better defined basement surface shows volume of volcanics exceeds previous estimates.

Extensive hydrothermal system defines area of landslide and phreatic eruption hazard.

Tectonic faults act as boundaries to hydrothermal system and are unlikely to be magma conduits.

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