TeachMeFinance.com - explain Rock
Rock The term 'Rock' as it applies to the area of reclamation can be defined as ' The hard, firm and stable parts of the earth's crust. A sound and solid mass, layer, or ledge of mineral matter inplace, and of such hardness and texture that it cannot be effectively loosened or broken down by a 6-pound drifting pick or by ripping in a single pass. Natural solid mineral matter occurring in large masses or fragments. Naturally formed, consolidated material composed of grains of one or more minerals'.
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