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Sookdeo ES Ch. 13

Mineral Resources and Mining

TermDefinition
mineral naturally occurring inorganic solid
precipitation liquid in a solution evaporates and the remaining solids crystallize
polymorph same elements or compounds with different crystal structure due to conditions under which they form
rock solid mass of minerals and mineral-like material that occurs naturally
rock cycle rocks are heated, melted, cooled, weathered and eroded as they slowly change between the three types of rock- igneous, sedimentary and metamorphic
ore a mineral or group of minerals that is mined so that a metal or metals can be removed from
strip mining layers of surface soil and rocks are removed
subsurface mining vertical shafts are dug deep into the ground
open pit mining digging a large hole and removing the ore and unwanted rock that surrounds the ore
mountaintop removal forests are clear-cut and the timber is sold or burned
placer mining sifting through material in modern or ancient riverbed deposits
tailings concentrated mineral and a waster product
smelting heating ore beyond its melting point and combining it with other metals and chemicals
acid draining occurs as the acid and the metals is leaches from rock seep into groundwater or enter streams and lakes as runoff
Created by: dsookdeo
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