Environ- Mineral Extraction

Environ- Mineral Extraction - MINERAL EXTRACTION Resource...

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MINERAL EXTRACTION Resource Types: Non-renewable (stock): No or extremely slow generation (tides, solar energy) Renewable (flow): For continued use. Without critical zone=no limits. With critical zone there must be a balance renewal (plants, soil) Mineral Resources: Mineral= Naturally occurring, inorganic, crystalline solid ex) coal Minerals of Economic Importance: (nonmetallic): gemstones, sand, gravel, salts, limestone (metallic): iron, copper, chromium, platinum, lead Resource Types: Controlled: Under ownership of private party who can use and exploit them Common Property: Publically owned, user can develop under ‘societal control’ -Minerals are often a combination of these: on public lands but allow private development Potential Resource Shortages: -Phosphorus (agriculture) -Lithium (batteries) -Indium (electronics) Mineral Resources: -Materials deposited by surficial (sand, gravel) subsurface (coal, metals) or water borne (dissolved, erosional) processes -Types of Mining: Strip, Open-pit, tunnel, placer
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Environ- Mineral Extraction - MINERAL EXTRACTION Resource...

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