Slag Hill
Slag Hill | |
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Highest point | |
Coordinates | 50°11′00.23″N 123°18′00.25″W / 50.1833972°N 123.3000694°WCoordinates: 50°11′00.23″N 123°18′00.25″W / 50.1833972°N 123.3000694°W |
Geography | |
Slag Hill Location of Slag Hill in southwestern British Columbia, Canada | |
Location | British Columbia, Canada |
Parent range | Pacific Ranges |
Geology | |
Mountain type | Subglacial volcano |
Volcanic arc/belt | Canadian Cascade ArcGaribaldi Volcanic Belt |
Last eruption | Holocene |
Slag Hill is a subglacial volcano associated with the Mount Cayley volcanic field in British Columbia, Canada. It consists of glassy, augite-phyric basaltic andesite in steep-sided, glassy, finely jointed domes and one small, flat-topped bluff. The finely jointed domes are similar to those of Ember Ridge. There are quench features at Slag Hill, which is suggesting that the volcanic activity was subglacial. Slag Hill was formed throughout the Pleistocene period, but its most recent volcanic activity produced a lava flow on its western lobe that shows no evidence of ice-contact volcanism.[1] This indicates the lava flow was erupted less than 10,000 years ago after the last glacial period.[1]
References[]
- ^ a b Catalogue of Canadian Volcanoes Archived 2011-07-16 at the Wayback Machine Retrieved on 2007-05-28
See also[]
Categories:
- British Columbia Coast geography stubs
- Volcanoes of British Columbia
- Mountains of British Columbia
- Subglacial volcanoes of Canada
- Pleistocene volcanoes
- Holocene volcanoes
- Polygenetic volcanoes
- Mount Cayley volcanic field