10 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
Grout hole
Mining; General mining
A borehole drilled for the express purpose of using it as a means by which grout may be injected into the rock surrounding the borehole. Compare: consolidation hole.
Cross-measure borehole
Mining; General mining
A borehole drilled at an angle through the rock strata generally for the purpose of combustible gases drainage.
Inclined borehole
Mining; General mining
A borehole drilled at an angle from the vertical not exceeding 45 degrees. The drilling technique is called angle drilling.
Testing bedrock
Mining; General mining
A borehole drilled to determine the character of bedrock and the character and depth of overburden overlying such bedrock.
Bedrock test
Mining; General mining
A borehole drilled to determine the character of bedrock and the character and depth of overburden overlying such bedrock.
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