Chapter 16 Kahoot
Evaporites most commonly form in
arid regions where rates of evaporation are high
what is not a characteristic of a mineral
atom in random geometric patterns
surface mining can cause __
both air and noise pollution
__ regulates the release of hazardous substances into the air, soil, and water by mining
comprehensive response compensative and liabilty act
what must hot subsurface waters contain in order to be considered hydrothermal solutions
dissolved minerals
one property that may be used to distinguish metallic from non metallic minerals
electrical conductivity
what is not a way that ore minerals form
flooding of empty stream beds and rivers
dredging steamboats may be an effective technique for mining
gold
not likely used during solution mining
gypsum
acid mine drainage
harms or kills aquatic life
gangue minerals
have no commercial value
not a regulation mining companies must follow
hazardous product act
mining companies can identify areas of valuable mineral resources by __
mineral exploration
placer deposits are surface mining deposits that have been concentrated by
movement of wind and water
What can contaminate a river during dredging?
muddy sediments
not a method of subsurface mining
open pit mining
minerals that contain valuable substances are
ore minerals
Collapse of _____ can lead to subsidence.
pillars in abandoned mines
a type of open-pit mine used to mine stone, gypsum, or talc near the surface is called
quarry
process of returning land to its original or better condition after mining is completed
reclamation
the layer of impurities that form on top of molten metal during smelting _
slag
From whom must mining companies obtain permits before mining a site?
state and federal agreements
a water contaminate that can cause acid mine drainage
sulfuric acid
the __ sets standards to minimize the surface effects of coal mining in the environment
surface mining control and reclamation act of 1977
The first step in surface coal mining is
to remove and set aside the soil that covers the area to be mined