Overlooking the
Salmon Glacier
The Salmon Glacier is a glacier located ~ north of Stewart, British Columbia, and Hyder, Alaska, just on the Canadian side of the border. The glacier, one of hundreds in the Boundary Ranges, is notable for its major potential as a natural ha ...
, the Granduc Mine is a large copper mine which is situated on a rock ridge between a glacier and a cliff, some north of Stewart, BC at the north end of Summit Lake. It was an active mine from 1964 to 1984, having closed due to low copper prices.
Location
The mine and its camp are inside the
District Municipality of Stewart, connected by an access road connected to
Hyder, Alaska
Hyder is a census-designated place in Prince of Wales-Hyder Census Area, Alaska, United States. The population was 87 at the 2010 census, down from 97 in 2000. Hyder is accessible by road only from Stewart, British Columbia, is popular with mot ...
and is situated on the Portland inlet. The mine site at Granduc has 17 km of access tunnel and a 54 km haulage road, which saw upgrades that began in June 2011.
Exploration
First discovered in 1931, the property saw limited exploration in 1991 and again 1993 after its dormancy until 2005 when new exploration reopened interest in the property. Site construction and ground rehabilitation, began in 2014 with active production expected for 2016.
The site is divided into a Main Zone and a North Zone. Previous mining was only performed on the Main Zone.
Inventory in 1986 was reported as 9.89 million Metric tonnes grading 1.79 per cent copper,
while recent results indicate resources stand at 10.4 million tonnes grading 1.25 per cent copper. Inferred resources of 36.6
million tonnes grading 1.26% copper are estimated.
Tragedy
A large avalanche killed 28 men on February 18, 1965 when a snow slide hit the mine camp.
See also
*
List of ghost towns in British Columbia
This is a list of ghost towns in the Canadian province of British Columbia, including those still partly inhabited or even overtaken by modern towns, as well as those completely abandoned or derelict. Region of location and associated events or en ...
*
Hyder, Alaska
Hyder is a census-designated place in Prince of Wales-Hyder Census Area, Alaska, United States. The population was 87 at the 2010 census, down from 97 in 2000. Hyder is accessible by road only from Stewart, British Columbia, is popular with mot ...
*
Stewart, British Columbia
*
Portland Canal
, image = Hyder Alaska IMG 0276 (22495379342).jpg
, alt =
, caption = Portland Canal from Hyder, Alaska
, image_bathymetry =
, alt_bathymetry =
, caption_bathymetry =
, location = Alaska and British Columbia
, group =
, coordinates ...
References
External links
Granduc Mine Alumni Facebook Page{{coord, 56, 14, 00, N, 130, 06, 00, W, display=title
Mines in British Columbia
Stewart Country
1964 establishments in British Columbia