Ben Lomond (Waikato)
Obsidian veins at Ben Lomond
|Elevation||744 m (2,441 ft)|
|Location||North Island, New Zealand|
|Last eruption||100,000 years|
Ben Lomond erupted about 100,000 years ago, producing two lava lobes that flowed around 3.5 kilometres south and southwest from a vent about one kilometre south of Poihipi Road. Much of the lava formed grey banded obsidian as it cooled. Crystalline rhyolite and pumice were also produced.
- Stevenson †, Richard; Dingwell, Donald; Bagdassarov, Nikolai; Manley, Curtis (2001). "Measurement and implication of "effective" viscosity for rhyolite flow emplacement". Bulletin of Volcanology 63: 227. Bibcode:2001BVol...63..227S. doi:10.1007/s004450100137.
- Stevenson, R. J.; Briggs, R. M.; Hodder, A. P. W. (1994). "Physical volcanology and emplacement history of the Ben Lomond rhyolite lava flow, Taupo Volcanic Centre, New Zealand". New Zealand Journal of Geology and Geophysics 37: 345–358. doi:10.1080/00288306.1994.9514625.
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