what machinery is needed for iron ore mining

Mining "Demandite" is the word used by mineral economists to describe the materials that must be provided— usually by mining— to meet the needs of civilization. Geography Vocabulary: GCSE Manufacturing and Industry Open-Cast Mine: a large quarry where a large pit is excavated on the Earth's surface to remove rock.. Ore: a rock containing minerals useful to people, e.g. iron ore, gold ore.. Outputs: products from a factory system, which include pollution and waste.. Overheads: costs which do not vary with output; these costs include rent, wages, electricity, etc. Glossary of Mining Terms Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, .    Read More

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