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pluton

American  
[ploo-ton] / ˈplu tɒn /

noun

Geology.
  1. any body of igneous rock that solidified far below the earth's surface.


pluton British  
/ ˈpluːtɒn /

noun

  1. any mass of igneous rock that has solidified below the surface of the earth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pluton Scientific  
/ plo̅o̅tŏn′ /
  1. A large body of igneous rock formed when a plume of magma cools and solidifies underground. Although most plutons are deep within the Earth's crust, some become exposed at the surface due to plate-tectonic processes.


Etymology

Origin of pluton

1935–40; < German Pluton, back formation from plutonisch plutonic

Vocabulary lists containing pluton

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Called a pluton by geologists, the Barre granite formation is calculated to be four miles long, two miles wide and 10 miles deep.

From Washington Post Jun. 16, 2022

A special type of metasomatism takes place where a hot pluton intrudes into carbonate rock such as limestone.

From Textbooks Jan. 1, 2015

How does the presence of a hot pluton contribute to the circulation of groundwater that facilitates metasomatism and hydrothermal processes?

From Textbooks Jan. 1, 2015

The country rock can also have an effect on the magma within a pluton.

From Textbooks Jan. 1, 2015

Water from a cooling body of magma, or from convection of groundwater produced by the heat of the pluton, can also lead to metasomatism, hydrothermal alteration, and accumulation of valuable minerals in the surrounding rocks.

From Textbooks Jan. 1, 2015

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