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Chapter 13 Mineral Resources and Mining

12.1 and 12.2 Vocabulary words
Across
Heating ore beyond its melting point and combining it with other metals or chemicals
A very slow process in which rocks change between igneous, sedimentary, and metamorphic types of rock
A process in which minerals form when the liquid in a solution evaporates and the remaining solids crystallize
A method of mining in which people clear cut forests, remove topsoil, and blast away the rock to get to the resource
A solid mass of minerals and mineral-like material that occurs naturally
A process in which sulfuric acid causes metals to leach from rocks, and both the acid and the metals cause water pollution
Down
A mineral or group of minerals that is mined so that a particular metal or metals can be removed from it
A method of mining in which vertical shafts are dug into the ground, and networks of horizontal tunnels are dug or blasted out to access deposits of the resource
A method of mining in which people dig a large hole, then remove the ore and unwanted rock around the ore
A naturally occurring, inorganic solid that has an orderly crystalline structure and a definite chemical composition
A mineral that consists of the same elements or compounds but has different crystal structures due to the conditions under which it formed
A method of mining in which layers of surface soil and rock are removed from large areas to expose the resource
A waste product generated by mining
A method of mining that involves sifting through material in riverbeds