Boss

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  • Architecture
  1. Roughly cut stone set in place for later carving.
  2. An ornamental projection, a carved keystone of a ribbed vault at the intersection of the ogives.
  • Geology
  1. Arkansas. A coal mine employee not under the jurisdiction of the miner's union. Fay
  2. A proturberant and often dome-shaped mass of igneous rock congealed beneath the surface of the Earth and laid bare by erosion. Webster 3rd
  3. An igneous intrusion that is less than 40 mi2 (104 km (super 2) ) in surface exposure and is roughly circular in plan. CF: stock AGI


Source: Dictionary of Mining, Mineral, and Related Terms


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