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en.wikipedia.org/wiki/Igneous_rock

Igneous rock or magmatic rock, is one of the three main rock types, the others being .... The classification of the many types of different igneous rocks can provide us with important information about the conditions under which they formed.

geology.com/rocks/igneous-rocks.shtml

Photographs and descriptions of intrusive and extrusive igneous rocks with links to detailed articles by Geology.com.

skywalker.cochise.edu/wellerr/GLG101/GLG101-igneous-rocks.htm

Refer to Igneous Rocks Photos for more visual examples of each of these igneous ... The term porphyry simply refers to the two distinctly different grain sizes ...

scienceviews.com/geology/igneoustypes.html

Scientists have divided igneous rocks into two broad categories based on where the ... These rock types all have different characteristics, including temperature ...

www.msnucleus.org/membership/html/k-6/rc/rocks/k/rcrk_2a.html

Discovering the two different types of igneous rocks. Making a display of plutonic and volcanic rocks. VOCABULARY: igneous; magma; plutonic; rock; volcanic ...

www.eartheclipse.com/geology/formation-types-and-examples-of-igneous-rocks.html

Igneous rocks form from the cooling of magma - molten materials in the earth's crust. The terminology Igneous means fire or heat. In this sense, igneous rocks ...

www.quora.com/What-are-the-types-of-igneous-rock

Chemically, igneous rocks can be thought of as basalt-like or granite-like. (NOTE: I'm going to use those two names because you may be familiar with them, but ...

volcanoes.usgs.gov/vsc/glossary/igneous.html

Sep 17, 2015 ... Components of Igneous Rocks (Click image to view full size.) ... Different names are given to such slow-cooling plutonic rocks on the basis of ...

www.brighthub.com/environment/science-environmental/articles/96398.aspx

Dec 13, 2010 ... Granite and basalt are the two most common types of igneous rocks. ... There are also names for the intermediates: diorite if it's coarse-grained, ...

ratw.asu.edu/aboutrocks_igneous.html

The two main types of igneous rocks are plutonic rocks and volcanic rocks. Plutonic ... There are many different compositions of magma and lava. Fortunately ...