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ENVM 095: Mining 101 Crossword Assignment

Horizontales
Rock or soil overlying a mineral deposit
Rocks which have undergone a change in texture or composition as the result of heat and/or pressure.
Barren or marginal ore that has been mined, but which has so little value that it is not worthwhile to engage in additional treatment, so it is discarded
An opening driven horizontally into the side of a mountain or hill for providing access to a mineral deposit
A natural concentration of valuable material that can be extracted and sold at a profit
Acidic run-off water from mine waste dumps and mill tailings ponds containing sulphide minerals
A mixture of ore minerals and gangue from which at least one of the metals can be extracted at a profit.
A vertical or inclined excavation in rock for the purpose of providing access to an orebody. Usually equipped with a hoist at the top, which lowers and raises a conveyance for handling workers and materials
A fissure, fault or crack in a rock filled by minerals that have travelled upwards from some deep source
A chemical process for the extraction of valuable minerals from ore; also, a natural process by which ground waters dissolve minerals, thus leaving the rock with a smaller proportion of some of the minerals than it contained originally
rare metals that have a high economic value, such as gold, silver, and platinum.
A type of rock formed by cooling of intrusions of magma from the earth's core
An amount of ore or mineral that makes exploitation worthwhile
Verticales
Secondary rocks formed from material derived from other rocks and laid down under water. Examples are limestone, shale and sandstone
Stabilising the terrain, landscaping and topsoil replacement to make the land useful once again
Any natural combination of minerals; part of the earth's crust
The science concerned with the study of the rocks which compose the Earth
A hole or system of holes in the ground where substances such as coal, metal, and salt are removed
A naturally occurring homogeneous substance having definite physical properties and chemical composition and, if formed under favourable conditions, a definite crystal form.
A small portion of rock or a mineral deposit taken so that the metal content can be determined by assaying
An on surface mine, as opposed to underground mining
The operation and equipment is taken apart, waste is disposed of, buildings are demolished or repurposed and the site is cleaned
A fine, powdery product of the milling process containing a high percentage of valuable metal
Concentrating the mineral to reduce its volume to reduce transport costs
a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
The material that remains after all metals considered economic have been removed from ore during milling