manto n.— «Deposits of copper-cobalt-manganese-zinc mineralization at Boleo occur within widespread, stratiform clay-rich horizons or beds known as “mantos” (manto is a Spanish term used in mining parlance for a general...
red hat n.— «Last year, for instance, fewer than 3,930 of the 10,726 people who went through basic mine safety training wound up as “red hats,” slang for new miners who have passed training exams, made it through a coal...
hole in the doughnut n.— «Like prospectors in what they hope will be a modern-day California Gold Rush, Hollywood’s studios and TV networks are dabbling in online downloads, mobile phone programming and other new on-demand distribution...
bitch hook n. a curved metal device used with a chain to hold or secure lumber or other things, or to brake a sled on descents. Also bitch link. Editorial Note: The unpublished manuscript for the Lexicon of Trade Jargon (circa 1938-39, now at the...
pillaring n.— «Caylor said he believes retreat mining, also known as pillaring, or secondary mining, is important because it allows companies to get more coal than they otherwise would.» —“Deadly coal mining method comes under...
solastalgia n.— «Solastalgia describes the pain experienced when the place a person lives is under assault and destruction, a loss of a sense of belonging to a particular place and a sense of desolation about its disappearance.…He...