Some Terms on Mining Engineering

-- Exploration
-- Reserve estimate
-- Feasibility study
-- Decision making

Underground mines
-- Planning and Designing
-- Access: tunnels or galleries or drifts, shafts
   -- Support: roof bolting, pillars, concreat, timber, metal
-- Exploitation, extraction
   -- Rooms and Pillars, Cut and Fill
   -- Machinery: Longwall method, drills, excavators/scrapers, bulldozers explosives
   -- Man Power
-- Ventilation, Drainage, Lighting
-- Transportation: Conveyor belts, trucks, trains, the skip
-- Safety of personel and operations

Surface mines or open pits
slope stability
explosives and blasting design
selection of equipment and system optimazation
restoration of land

Under the oceal drilling

Knowledge in these areas: geology, minerology, geometry, math, physics, chemistry, computer science, economics, environmental studies, topography
Ability to work in teams

14 grams of gold per ton of ore: rich!
300 Kg of Al per ton of bauxite: ok

Bauxite (for Al), Cromite (for Cr), Gold, Iron, Lead, Nickel, Zinc, Valuable Stones, Coal, Oil, Natural Gas, Industrial minerals
Uses: Cars and airplanes, pipes and roofs, vitamins and meds, tools and paints and jewlery, Cat litter (bentonite), concreate and counter tops, electricity and fuels 

malachite and azurite: carbonate minerals of Copper