Audio Content Historical Overview Mining Economics Organisation Colliery Overview Mining Techniques Support Systems Coal Transport Safety and Rescue Miners Lives Miners Strikes Disasters Collieries |
In the early days coal was obtained by digging it from where it appeared on the surface. Later the first small mines were sunk known as ‘bell pits’. As mining techniques constantly improved, working into deeper seams became possible. Different extraction methods were developed depending upon the geological formations of the coal. The three methods of extraction are opencast, drift, and deep mine. Each method requires different mining techniques and tools. Click image or highlighted words below to go to that specific section.
|