Definition: Plutonic Geothermal Play Type
From Open Energy Information
Plutonic Geothermal Play Type
A pluton is a body of intrusive igneous rock that is crystallized by the slow cooling of magma. A plutonic geothermal play type is an area of heat surrounding plutons.
- ., In geology, a pluton is a body of intrusive igneous rock (called a plutonic rock) that is crystallized from magma slowly cooling below the surface of the Earth. Plutons include batholiths, stocks, dikes, sills, laccoliths, lopoliths, and other igneous formations. In practice, "pluton" usually refers to a distinctive mass of igneous rock, typically several kilometers in dimension, without a tabular, or flat, shape like those of dikes and sills. Examples of plutons include Denali, Cuillin, Cardinal Peak, Mount Kinabalu and Stone Mountain.The most common rock types in plutons are granite, granodiorite, tonalite, monzonite, and quartz diorite. Generally light colored, coarse-grained plutons of these compositions are referred to as granitoids.
- Inga S. Moeck. Graeme Beardsmore. 2014. A New 'Geothermal Play Type' Catalog: Streamlining Exploration Decision Making. In: Proceedings. Thirty-Ninth Workshop on Geothermal Reservoir Engineering; 2014/02/24; Stanford. California. Stanford. California: Stanford University; p. 8