Earth's physical resources: extracting coal and oil - for iPod/iPhone

How to get crude oil from the Athabasca oil sands and from Colorado oil shale - among the world's largest deposits of oil.

Oil in sand and shale

Oil in sand and shale | کست وایبز

Transcript -- Open cast mines

Extracting coal and oil

Transcript -- An introduction to this album.

Transcript -- Extracting coal and oil

Coal formation

Transcript -- Designing a system of mining to suit the split seams in the Northumberland coal field. Analysing the small detail reveals how it was formed.

Transcript -- Coal formation

Open cast mines

Transcript -- A fault is an underground hazard. By drilling a series boreholes, miners start the safe development of an open cast mine.