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Brother volcano, Kermadec Islands, New Zealand
Latitude: 34°51'38"S
Longitude: 179°3'35"E
Longitude: 179°3'35"E
Within its oval outline, which measures 13 km by 8 km, it contains a 3 km wide caldera with walls 300-500 m high. A dacite dome rises 350 m from the caldera floor (which lies 1850 m below sea level), with a smaller dome just to its northeast. The caldera walls and the larger dome host numerous hydrothermal vents, which send plumes of hot water 750 m up through the water column. It is the most hydrothermally active volcano known in the Kermadec Arc.
Mineral List
35 entries listed. 32 valid minerals.
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References
- de Ronde, C. E. J., Hannington, M. D., Stoffers, P., Wright, I. C., Ditchburn, R. G., Reyes, A. G., Baker, E. T., Massoth, G. J., Lupton, J. E., Walker, S. L., Greene, R. R., Soong, C. W. R., Ishibashi, J., Lebon, G. T., Bray, C. J., and Resing, J. A. (2005): Evolution of a Submarine Magmatic-Hydrothermal System: Brothers Volcano, Southern Kermadec Arc, New Zealand. Economic Geology, 100, 1097-1133.
- Cornel E. J. de Ronde, Gary J. Massoth, David A. Butterfield, Bruce W. Christenson, Junichiro Ishibashi, Robert G. Ditchburn, Mark D. Hannington, Robert L. Brathwaite, John E. Lupton und Vadim S. Kamenetsky, et al. (2011): Submarine hydrothermal activity and gold-rich mineralization at Brothers Volcano, Kermadec Arc, New Zealand. Mineralium Deposita 46, 541-584.
- Cornel E. J. de Ronde, Gary J. Massoth, David A. Butterfield, Bruce W. Christenson, Junichiro Ishibashi, Robert G. Ditchburn, Mark D. Hannington, Robert L. Brathwaite, John E. Lupton und Vadim S. Kamenetsky, et al. (2011): Submarine hydrothermal activity and gold-rich mineralization at Brothers Volcano, Kermadec Arc, New Zealand. Mineralium Deposita 46, 541-584.
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Locality Updated: Myall Lakes Reserve, Bolton, Victoria, AustraliaFrom Pat Sutton, 23rd May 2013 01:30:19