Rocks for Roads
An an introduction to this album
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Earth's physical resources: rocks for roads - for iPod/iPhone
Everyday life and the fabric of modern civilisation depend on using the Earth’s physical resources. This album explores the occurrence, availability, exploitation and sustainability of rocks...
Episodes
6 episodesTranscript -- Rocks for Roads
Transcript -- An an introduction to this album
How a quarry works
Quarry managers explain how rock is formed and how they extract different layers of stone. Once blasted and processed, it is used to build r...
Transcript -- How a quarry works
Transcript -- Quarry managers explain how rock is formed and how they extract different layers of stone. Once blasted and processed, it is u...
Longterm sustainability of quarries
A look at the road laying process. The need to supply locally, use natural road products and protect the environment around quarries.
Transcript -- Longterm sustainability of quarries
Transcript -- A look at the road laying process. The need to supply locally, use natural road products and protect the environment around qu...