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• n  large mass of intrusive igneous rock believed to have solidified deep within the earth

• The whole region may be resting on a "batholith," an enormous mass of "magma" or hot, plastic rock.

• batholite
• pluton
• plutonic rock

News & Articles

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• Geosphere presents new studies on the nature and structure of North America and Taiwan
  ( Geological Society of America ) Eight new studies posted 26 June and 16 July add to Geosphere's cache of solid research on the nature and structure of North America. Locations studied include: Black Canyon of the Gunnison, Colorado; the northern Cascade Mountains, Washington; the Sierra Nevada batholith; the New Jersey shelf; the Appalachian Basin of northwestern Alabama; the Sierra Nevada ...
  July 18, 2013 - EurekAlert!