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Athabasca Oil Sands (Mildred Lake / Aurora)

Canada · North America

Athabasca Oil Sands (Mildred Lake / Aurora)

Among the largest surface mining operations in the world by material moved.

NASA EO Athabasca tar sands environmental impact 1984 vs 2011 · NASA, edited by Gretarsson (31 May 2015) · Public domain · Wikimedia Commons

What this place is

Oil sands mining is where the oil industry and the mining industry become the same thing: shovels, haul trucks, ore grades and a processing plant that separates bitumen from sand with hot water.

Grade. Ore grade is quoted as percent bitumen by weight; roughly 10-12% is economic.
“Grade” is the percentage of the useful stuff in the rock. A copper mine at 0.5% grade throws away 199 tonnes of rock for every tonne of copper it sells. That single number decides whether an orebody is a mine or just an interesting piece of geology.

What comes out

A “by-product” is a metal recovered because it happens to be in the same rock, not because anyone went looking for it. Its supply therefore follows the primary metal’s economics, not its own.

Who owns it

CompanyRoleInterest
Suncor Energy MinerOperator

As publicly reported by the operators. Ownership of large mines changes; verify against current company filings before relying on it.

Journeys that begin here

Alberta oil sands: mined like ore, refined like oil The only oil in the world that is dug up with a shovel and graded like an orebody.

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