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Groundwater (definition (aquitard (rock or sediment that makes a poor…
Groundwater
definition
aquitard
rock or sediment that makes a poor aquifer (not permeable) (mudstone, shale, most igneous, metamorphic rock)
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aquifer
a body of permeable rock or sediment, saturated with gw and through which gw moves (sand, gravel, sandstone, limestone)
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groundwater
water under the surface; mostly exists in pores between grains and in fractures; not lakes and rivers
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consequences of overuse
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lower water table --> deeper wells, more $
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