sands mining tar

  • Evolution of Mining Equipment in the Oil Sands | Oil Sands ...

    OIL SANDS MINING: A BRIEF HISTORY. Suncor Energy (then known as Great Canadian Oil Sands) began mining the Athabasca oil sands in the mid-1960s. Bucketwheels and mobile conveyors were initially employed at the mine site. The bucketwheels were phased out in the early 1990s as the company transitioned to truck-and-shovel, which is the technology ...

  • 10 Threats from the Canadian Tar Sands Industry | NRDC