The Athabasca oil sands, also known as the Athabasca tar sands, are large deposits of oil sands rich in bitumen, a heavy and viscous form of petroleum, in northeastern Alberta, Canada. These reserves
Athabasca oil sands on the banks of the river, around 1900
Athabasca oil sand of the McMurray Formation as seen in drill cores.
Mining operations in the Athabasca oil sands. Image shows the Athabasca River about 600m from the tailings pond. NASA Earth Observatory photo, 2009.
Syncrude's Mildred Lake mine site and plant
Bitumen is an immensely viscous constituent of petroleum. Depending on its exact composition, it can be a sticky, black liquid or an apparently solid mass that behaves as a liquid over very large time
Athabasca oil sands
…The Athabasca oil sands, also known as the Athabasca tar sands, are large deposits of oil sands rich in bitumen, a heavy and viscous form of petroleum, in northeastern Alberta, Canada. These reserves are one of the largest sources of unconventional oil in the…
Natural bitumen from the Dead Sea
The University of Queensland pitch drop experiment, demonstrating the viscosity of bitumen
Bituminous outcrop of the Puy de la Poix, Clermont-Ferrand, France