Block caving An inexpensive method of mining in which large blocks of ore are undercut, causing the ore to break or cave under its own weight. Board lot One hundred shares. Bond An agreement to pay a certain amount of interest over a given period of time.
Mining Terms Beginning with A. Abandon (ABNDN) Abandonment. Abandonment Year. Absentee Owner. Absolute Title. Abstract (ABSTRCT) Abstract Of Title. Abstractor Plat.
499 Glossary of Mining Terms RPMGlobal 99 Glossary of Mining Terms RPMGlobal 5 Angle of Draw -in coal mine subsidence, this angle is assumed to bisect the angle between the vertical and the angle of repose of the material and is 20° for flat seams. For dipping seams, the angle of break increases, being 35.8° from the vertical for a 40° dip.
A dictionary of mining, mineral and related terms, presented online by EduMine. Usage: search for matches on a term, then click on a match (below left). Original content compiled by US Bureau of Mines.XML version by EduMine.Now more than 27,000 terms with
Having trouble understanding mining terminology? Here’s a comprehensive A-Z guide of mining terms you need to know if you are considering investing in the mining industry or are just curious about how mining works. AC drilling: Air core drilling; Air blast drilling technique with limited coring capability.
Muck in open pit mining, muck is the ore that has been broken into pieces by explosives. In underground mining, muck is the clearing up that’s done after blasting to sort the rich ore from the poor rock. N. Non-destructive testing a way to measure the integrity of materials or structures, without causing any harm.
In coal mining this is the intended basis for roof bolting. Bearing– A surveying term used to designate direction. The bearing of a line is the acute horizontal angle between the meridian and the line. The meridian is an established line of reference.
Dictionary of Mining, Mineral, and Related Terms Acid Mine Water Mine water that has free sulfuric acid, mostly due to the weathering of iron pyrites. Active workings Any place in a mine where miners are usually necessary to work or travel and which are ventilated and inspected frequently.
Dictionary of Mining, Mineral, and Related Terms [American Geological Institute] on Amazon. *FREE* shipping on qualifying offers. This new edition, containing 28, 500 terms, incorporates the technological developments and environmental regulations that have changed the minerals
Bonanza is used to describe a rich mass or ore found while mining. The word was derived from a Spanish term meaning fair weather and prosperity and became a common word in the mining industry. One of the centres at the beginning of the Klondike Gold Rush in the Yukon Territory was a 32km watercourse that branches off of Klondike River.