Slag Hill: Difference between revisions

Slag Hill
Slag Hill
	An image of Ring Mountain (background) and Slag Hill (foreground)
Highest point
Coordinates	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 Arc Garibaldi Volcanic Belt
Last eruption	Holocene

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Latest revision as of 21:58, 28 October 2024

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

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+{{Infobox mountain
-'''Slag Hill''' is a [[subglacial volcano|subglacial mound]] in the [[Mount Cayley|Mount Cayley Volcanic Field]] in [[British Columbia]], [[Canada]]. It consists of glassy, [[augite]]-phyric [[basalt]]ic [[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 eruption|subglacial]].  It is believed Slag Hill last erupted in the Pleistocene age.<ref>[http://gsc.nrcan.gc.ca/volcanoes/cat/volcano_e.php?id=gvb_shl_021 Catalogue of Canadian Volcanoes] Retrieved on [[2007-05-28]] </ref>
+| name = Slag Hill
+| photo = Slag_Hill_and_Ring_Mountain.jpg
+| photo_caption = An image of [[Ring Mountain (British Columbia)|Ring Mountain]] (background) and Slag Hill (foreground)
+| elevation_m   =
+| elevation_ref =
+| prominence_m  =
+| prominence_ref=
+| location = [[British Columbia]], [[Canada]]
+| range = [[Pacific Ranges]]
+| map = Canada British Columbia
+| map_caption = Location of Slag Hill in southwestern British Columbia, Canada
+| label_position = below
+| coordinates   = {{coord|50|11|00.23|N|123|18|00.25|W|type:mountain_region:CA_scale:100000|format=dms|display=inline,title}}
+| range_coordinates =
+| topo =
+| type = [[Subglacial volcano]]
+| volcanic_arc/belt = [[Canadian Cascade Arc]]{{clear}}[[Garibaldi Volcanic Belt]]
+| last_eruption = [[Holocene]]
+| first_ascent =
+| easiest_route =
+}}
+'''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 [[Hill|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 eruption|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.<ref name="SI">[http://gsc.nrcan.gc.ca/volcanoes/cat/volcano_e.php?id=gvb_shl_021 Catalogue of Canadian Volcanoes] {{webarchive|url=https://web.archive.org/web/20110716024840/http://gsc.nrcan.gc.ca/volcanoes/cat/volcano_e.php?id=gvb_shl_021 |date=2011-07-16 }} Retrieved on 2007-05-28</ref> This indicates the lava flow was erupted less than 10,000 years ago after the [[last glacial period]].<ref name="SI"/>
 ==References==
+{{reflist}}
-<references />
 ==See also==
-*[[Mount Cayley|Mount Cayley Volcanic Field]]
+*[[Mount Cayley]]
-*[[Cascade Volcanic Arc]]
+*[[Cascade Volcanoes]]
 *[[Garibaldi Volcanic Belt]]
 *[[List of volcanoes in Canada]]
-*[[Volcanoes of Canada]]
+*[[Volcanism of Canada]]
+*[[Volcanism of Western Canada]]
+{{Garibaldi Volcanic Belt}}
+{{BritishColumbiaCoast-geo-stub}}
-{{BritishColumbia-geo-stub}}
-[[Category:Cascade Volcanoes]]
 [[Category:Volcanoes of British Columbia]]
-[[Category:Subglacial volcanoes]]
+[[Category:Two-thousanders of British Columbia]]
+[[Category:Subglacial volcanoes of Canada]]
+[[Category:Pleistocene volcanoes]]
+[[Category:Holocene volcanoes]]
+[[Category:Polygenetic volcanoes]]
+[[Category:Mount Cayley volcanic field]]