Environmental science

What measures should be taken to protect the public from the special hazards presented when mining uranium?

Must be kept from populated areas

surface mining can cause what type of pollution?

air and noise

where do evaporates most commonly form?

arid areas

gangue minerals have no what?

commercial value

what Act regulates the release of hazardous substances into the air, soil, and water by mining?

compensation & liability act

from whom must mining companies obtain permits from before mining a site?

federal and state environmental agencies

dredging streambeds may be an effective technique for mining what?

gold

what is one property that may be used to distinguish metallic from nonmetallic minerals?

metallic minerals are good for electricity

through what can mining companies identify areas where there may be valuable mineral resources

mineral exploration

what can contaminate a river during dredging?

muddy sediments and arcenents

identify 3 characteristics of minerals

naturally occurring inorganic solid orderly in internal structure

a quarry can also be called what type of mining?

open put

what type of mineral contains valuable substances?

ore mineral

collapse of what can lead to subsidence

pillars

the 3 substances that can be mined using solution mining

pot ash sulfur salt

reclamation is the process of what?

returning land to better

the layer of impurities on top of molten metal that forms during smelting is called what?

slag

what substance contaminate can cause acid mine drainage

sulfuric acid

what Act set standards to minimize the surface effects of coal mining on the environment?

surface mining control and reclamation acts of 1977