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Mining techniques used when the desired resource is more than 100m below the surface of the earth
A mining technique in which the entire top of a mountain is removed with explosives
A mining technique that uses a large pit or hole in the ground, visible from the surface of the earth
A concentrated accumulation of minerals from which economically valuable materials can be extracted
Rock underlying soil; the material from which the inorganic components of a soil are derived
The accumulation or depositing of eroded material such as sediment, rock fragments, or soil
Precipitation high in sulfuric acid and nitric acid from reactions between sulfur dioxide and water vapor and nitrogen oxides in the atmosphere
The exact point on the surface of Earth directly above the location where rock ruptures during an earthquake
divergent plate boundaries
An area beneath the ocean where tectonic plates move away from each other
The layer of Earth located in the outer part of the mantle, composed of semi-molten rock
The theory that the lithosphere of earth is divided into plates, most of which are in constant motion
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