types of mining
What is copper mining? JR
Removing copper from the ground.
What is ore? hc
The materials which are removed from the mine for the purpose of extracting the desired metals.
What is reclamation? HC
The reformation, rehabilitation, and restoration to use
what is the Effects on peopleJR
can cause death and cancer
What is open pit mining?hc
A surface mining technique that extracts minerals from an open pit in the ground.
What are tailings? hc
The by-product from mining.
What is deforestation? JR
Clearing a wide area of trees.
What are the Effects on Animals?JR
They can be killed or displaced from their habitat.
What is contour strip mining?hc
Strip mining in hilly areas where the mineral is exposed at the surface at roughly the same height along the hillside
What is a watershed? hc
A land area that channels rainfall and snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs.
What is a superfund site? hc
It allows EPA to clean up contaminated sites.
What are enviormental impacts of mining? JR
Deforestation, erosion and contamination.
What is subsurface mining? JR
The extraction of metal ore or fossil full resources from beneath the surface of the ground.
What is a vein? HC
Ore body that is disseminated within definite boundaries in unwanted rock or minerals.
What is mine subsidence? hc
The movement of the ground surface as a result of the collapse of underground mines.
How does mining effect water? JR
Mining causes physical and chemical degradation of surface and ground waters.
What is placer mining?hc
The practice of separating heavily eroded minerals like gold from sand or gravel.
What is smelting? HC
The extraction of metal from its ore by a process involving heating and melting.
What is acid mine drainage? JR
The formation and movement of highly acidic water rich in heavy metals.
How does mining effect air. JR
It release lots of dust particles into the air.