14 Metal & Mineral Resources II Flashcards
What are the four mines in the intermontane belt?
- Golden Triangle
- Highland Valley
- Mount Polley
- Klondike
What created the golden triangle in the intermontane belt?
related epithermal systems found in B.C. and the Yukon formed between 220 and 175 million years ago - before the landmass was accreted onto North America.
What kind of deposit and terrane is the Highland Valley copper mine?
It is a porphyry deposit in the
Quesnellia terrane.
What two things is the golden triangle rich in?
Copper and gold
What is an important fact about the Highland Valley mine and where is located?
The largest open-pit copper mine in Canada
~50KM south of Kamloops BC
HVC hosted by what concentrically zone?
Guichon Creek batholith.
What mineralization is Mount Polley?
alkalic porphyry copper-gold deposit located in a Mesozoic volcanic arc in central BC.
What kind of mine is the Mount Polley Copper-Gold mine?
Two open-pit sites with an underground mining component
What happened at Mount Polley Copper-Gold Mine?
Their tail pond (used for storing waste rock) experienced a dam breach into two local lakes and rivers where 10 Million M^3 of wastewater was released into the water system
*Mount Polley situation
What is important about the Klondike?
Site of the biggest gold rush of Canada if not the world
The most famous mine in Canada
Who discovered the Klondike?
Jim “SKookum” Mason
What is believed to be the source of all the gold in the Klondike?
‘The dome’ which is yet to be discovered
What were the three ways miners made it up to the Klondike?
All water route (sail north past the Alaska Panhandle)
Skagwayidyea route (through the Chilkoot pass)
All Canadian route (Went north, east of the cordillera)
What city was the home to the Klondike and what the population change during that time?
Dawson City
500 ppl in 1896 to 30,000 ppl in 1898
What years was the Klondike Gold rush
1896-1899
Where specifically did Skookum Jim find the gold and how much gold did the Klondike produce over 100 years?
Bonanza Creek
Estimated 311 tonnes
How many ppl set out compared to how many ppl made it to the Klondike
100,000 set out
Only about 30,000 ppl made it
What was interesting about the Klondike during the last glacial period?
When the Cordillera ice sheet was at its maximum ~15,000 years ago the Klondike WAS NOT under glaciation
What is the one important mine in the insular & coast belt?
Windy Craggy
Slide 60
What happened to the Windy Craggy Project?
The government made it a protected park which halted the project
What is the Windy Craggy Project known for and what is the value?
is one of North America’s largest resources of cobalt with excellent copper, zinc, gold and silver grades.
Estimated total metal value of more than $25 billion
What deposits do we have in and near Calgary because of glaciation
Gravel deposits equaling $206 Million/yr
From glacial till and outwash
