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Monowai Complex Volcano, Kermadec Islands, New Zealand

Latitude: 25°53'S
Longitude: 177°11'E
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.

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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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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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