Intrusive rock forms within Earth's crust from the crystallization of magma. Magma
slowly pushes up from deep within the earth into any cracks or spaces it can ...
Intrusive, or plutonic, igneous rocks form when magma cools slowly below the
Earth's surface. Most intrusive rocks have large, well-formed crystals. Examples ...
Igneous rocks which form by the crystallization of magma at a depth within the
Earth are called intrusive rocks. Intrusive rocks are characterized by large crystal
Photographs and descriptions of intrusive and extrusive igneous rocks with links
to detailed articles by Geology.com.
Mar 18, 2014 ... Intrusive rock, also called plutonic rock, igneous rock formed from magma forced
into older rocks at depths within the Earth's crust, which then ...
Intrusive rock definition at Dictionary.com, a free online dictionary with
pronunciation, synonyms and translation. Look it up now!
Feb 24, 2012 ... Igneous rocks are called intrusive when they cool and solidify beneath the
surface. Intrusive rocks form plutons and so are also called plutonic.
Intrusive rocks crystallize from magmas that have been intruded into the earth's
crust at depths far below the surface. These intrusions are then usually expose.
ex' means 'out' and 'in' means 'in'. Extrusive igneous rocks reach surface still
mostly liquid (lava) and crystallize quickly in the relative chill of surface conditions
If you've ever looked up at Half Dome in Yosemite National Park, Mt. Rushmore
in South Dakota, or Stone Mountain in Georgia, you were looking at intrusive ...