Ben Lomond is a rhyolite lava dome near Lake Taupo in New Zealand's North Island. Located about eight kilometres north-northeast of Kinloch, it rises to a height of 744 metres above sea level.

Ben Lomond
Obsidian veins at Ben Lomond
Highest point
Elevation	744 m (2,441 ft)
Coordinates	38°35.7′S 175°57.2′E
Geography
Location	North Island, New Zealand
Geology
Mountain type	Lava domes
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.

References

• Stevenson †, Richard; Dingwell, Donald; Bagdassarov, Nikolai; Manley, Curtis (2001). "Measurement and implication of "effective" viscosity for rhyolite flow emplacement" (PDF). Bulletin of Volcanology. 63: 227. Bibcode:2001BVol...63..227S. doi:10.1007/s004450100137. Archived from the original (PDF) on 3 March 2009.
• 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. Archived from the original on 6 September 2008.

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