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In petrology, pawdite is a dark-colored, fine-grained, granular hypabyssal rock composed of magnetite, titanite, biotite, hornblende, calcic plagioclase, and traces of quartz. It is a hornblende–quartz diabase.[1]


  1. ^ Cater, Fred W., Intrusive Rocks of the Holden and Lucern Quadrangles, Washington, Geological Survey Professional Paper, Volume 1220, 1982, U. S. Geological Survey, pp. 58-59