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2
|
known quantity or minerals in a country or area
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5
|
used to extract mineral ores located deep in the earth
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7
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expert who studies the history, composition and structure on earths crust
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8
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any mineral that can be burned to produce energy (coal, natural gas, oil etc.)
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9
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mineral that yields a metal when processed, for example iron, gold, uranium and silver
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10
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used to mine minerals that are found near the surface, but also may extend deep into the ground
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11
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naturally occuring, pure, non-living substance found in rocks
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12
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used to mine oilsands, coal and other minerals that are located un horizontal layers near the surface
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1
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process whereby metals are removed from ore or concentrate for use in industry
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3
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non-metallic minerals such as salt or asbestos, used in industry and manufacturing
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4
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processing ore into concentrates
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6
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rock that contains enough valuable minerals to make mining profitable
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