10 Results found for "Appendix:Dictionary_of_Mining,_Mineral,_and_Related_Terms/H".

Appendix:Dictionary of Mining, Mineral, and Related Terms

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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/H/4

("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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/H-I

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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/H/1

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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/H/2

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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/H/3

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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/M/4

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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/O/1

contain a sufficient tonnage of amenable valuable mineral to justify the mining enterprise. The British Institution of Mining and Metallurgy, which regulates...


Appendix:Dictionary of Mining, Mineral, and Related Terms/M/1

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...


Appendix:Dictionary of Mining, Mineral, and Related Terms/A/1

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...