Following is a list of terms contained in the former U.S. Bureau of Mines Dictionary of Mining, Mineral, and Related Terms, a publication in the public...
("hyalo-") to names of volcanic rocks with a glassy texture, e.g., hyalobasalt. b. Said of a mineral that is amorphous. hyalite A variety of globular or botryoidal...
drilling hard-rock geology hard-rock mine hard-rock miner hard rock minerals hard-rock mining hard-rock phosphate hard-rock tunnel boring hards hard seat hard...
hand mining The working and winning of coal or mineral by hand and not by machines. Broadly, hand coal mining would imply hand holing, shot firing, and hand...
normal to the grain and rift. i. The difference in air pressure producing ventilation. j. In mineral processing, the mill head, or grade of ore, accepted by...
hoelite An orthorhombic mineral, C (sub 14) H (sub 8) O (sub 2) ; forms delicate yellow needles associated with chlorides and sulfur deposited by gases...
portion of the public mineral lands that a miner, for mining purposes, takes hold of and possesses in accordance with mining laws. b. A mining claim is...
contain a sufficient tonnage of amenable valuable mineral to justify the mining enterprise. The British Institution of Mining and Metallurgy, which regulates...
coal mining, bituminous coal mining, and metal mining, to designate one who operates a loading machine consisting of a small hoisting engine and a cable-drawn...
plants, and post-mining areas. b. The area in which active mining takes place relative also to extraction of metal ores, industrial minerals, and other...