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Monowai Complex Volcano, Kermadec Islands, New Zealand

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The Monowai seamount, an active submarine volcano located on the Tonga-Kermadec ridge, has been named and the bathymetry described by Davey (1980, New Zealand Journal of Geology and Geophysics, 23:4). The volcanic cone rises from depths of 1000-1500 m to about 120 m; at the 1000 m depth contour it is elongated NNW-SSE with length of 11 km and width of 8 km, and with the steepest flank on the southeast side having a slope of 20°.

Mineral List

4 entries listed. 4 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Brothers, R. N., R. F. Heming, M. M. Hawke & F. J. Davey (1980): Tholeiitic basalt from the Monowai seamount, Tonga-Kermadec ridge (Note), New Zealand Journal of Geology and Geophysics: 23(4): 537-539.

Schwarz-Schampera, U.,et al. (2007), Cruise Report SONNE 192/2, MANGO. Marine Geoscientific Research on Input and Output in the Tonga-Kermadec Subduction Zone.

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