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

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/U/2

meta-autunite, and torbernite groups. uranium A radioactive, silvery-white, metallic element. Symbol, U. Occurs in numerous minerals such as pitchblende...


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

U-bit A popular type of rotary bit used in British mining practice. It has two cutting legs, although some American and German bits employ three legs...


Appendix:Dictionary of Mining, Mineral, and Related Terms/U-Z

useful area useful pressure Usspurwies arch U-stage ustarasite usual mining privileges utahite utahlite U-tube manometer uvanite uvarovite uvite uwarowit...


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/X-Y

sulfide ores. A salt or ester of xanthic acid made of an alcohol, carbon disulfide, and an alkali. xanthiosite A monoclinic mineral, Ni (sub 3) (AsO (sub 4)...


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/C/4

days of mining in the Western United States following the gold rush of 1849, as an outgrowth of the desire of a prospector to develop a mineral deposit...


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...


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

thin section of a rock, in which a ring of one mineral occurs with another mineral or minerals inside and outside the ring. b. In mineral deposits, the...