Porphyry Island

Porphyry Island
	Porphyry Island
Geography
Location	Lake Superior
Coordinates	48°21′02″N 88°38′09″W
Area	107 ha (260 acres)[1]
Length	3 km (1.9 mi)
Width	0.5 km (0.31 mi)
Administration
	Canada
Province	Ontario
District	Thunder Bay
Demographics
Population	uninhabited nature reserve

Porphyry Island is an island in Unorganized Thunder Bay District in northwestern Ontario, Canada.[2] It is the last island in a chain stretching south west of the Black Bay Peninsula in Lake Superior. It is located about 6 kilometres (4 mi) from Edward Island Provincial Park, 13 kilometres (8 mi) from Sleeping Giant Provincial Park, 14 kilometres (9 mi) east of Silver Islet, Ontario, and 42 kilometres (26 mi) east of the city of Thunder Bay.

The island and nature reserve take their name from the characteristic quartz and feldspar crystals, or porphyries found in the volcanic rocks.

The entire 107-hectare (264-acre) island constitutes the Porphyry Island Provincial Park or nature reserve.[3]

Point Porphyry Lighthouse

The federal government established a lighthouse at Point Porphyry in 1873. This is located at the southwestern tip of the island.[4]

gollark: I should really update the music collection on my ingame tape thing.

gollark: So, has any stuff happened on SC lately?

gollark: You should make a Wikipedia page for "tamassia's algorithm for orthogonal graph drawings" then.

gollark: I hate the bizarre confusion between MiB and MB. It should *not* be a problem, but software is almost never clear about which one it displays.

gollark: Actual 1337 h4xx1ng is hard, so I mostly just try and find exploits in potatOS, which I also write.

References

Ontario Crown Land Use Policy Atlas
"Porphyry Island". Geographical Names Data Base. Natural Resources Canada. Retrieved 2011-09-07.
"Porphyry Island". Ontario Parks. 2002-11-12. Retrieved 2011-09-07.
Boegh, Beth (2005). "The Point Porphyry Light, Lake Superior : the Andrew Dick Diary and Reminiscences of Bob McKay from a Century of Lighthouse Keeping". Papers and Records. Thunder Bay Historical Museum Society. XXXIII: 17–41.

Sources

Map 13 (PDF) (Map). 1 : 1,600,000. Official road map of Ontario. Ministry of Transportation of Ontario. 2010-01-01. Retrieved 2011-09-07.
Restructured municipalities - Ontario map #2 (Map). Restructuring Maps of Ontario. Ontario Ministry of Municipal Affairs and Housing. 2006. Retrieved 2011-09-07.

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[1] Ontario Crown Land Use Policy Atlas

[CGNDB-2] "Porphyry Island". Geographical Names Data Base. Natural Resources Canada. Retrieved 2011-09-07.

[3] "Porphyry Island". Ontario Parks. 2002-11-12. Retrieved 2011-09-07.

[4] Boegh, Beth (2005). "The Point Porphyry Light, Lake Superior : the Andrew Dick Diary and Reminiscences of Bob McKay from a Century of Lighthouse Keeping". Papers and Records. Thunder Bay Historical Museum Society. XXXIII: 17–41.