| Ben Lomond | |
|---|---|
 Obsidian veins at Ben Lomond | |
| Highest point | |
| Elevation | 744 m (2,441 ft) |
| Coordinates | 38°35.7′S 175°57.2′E / 38.5950°S 175.9533°E |
| Geography | |
 Map centered on Ben Lomond that shows surrounding approximate selected surface volcanic deposits with rhyolite in violet. Rhyolitic ignimbrite surface deposits are various shades of violet. Clicking on the map enlarges it, and enables panning and mouseover of volcano name/wikilink and ages before present. Key for the volcanics that are shown with panning is: basalt (shades of brown/orange), monogenetic basalts, undifferentiated basalts of the Tangihua Complex in Northland Allochthon, arc basalts, arc ring basalts, andesite (shades of red), basaltic andesite, and plutonic. White shading is selected caldera features. | |
| Location | North Island, New Zealand |
| Geology | |
| Mountain type | Lava domes |
| Last eruption | 100,000 years |
Ben Lomond is a rhyolite lava dome near Lake Taupō 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 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.
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WHS Outdoor Ed Trip to Ben Lomond 2016
Transcription
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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This page was last edited on 20 April 2024, at 20:56