Web Results
Most Common Types of Igneous Rocks
Igneous rocks are identified by small or large crystals that are randomly arranged on the surface of the rock. Igneous rocks represent one of three major rock types, which include sedimentary and metamorphic rocks. They are formed at or beneath the... More »
Difficulty: Easy
Source: www.ehow.com

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.

geology.com/rocks

Photographs and information for a large collection of igneous, metamorphic and ... Igneous Rocks: Photos, descriptions and facts about intrusive and extrusive ... Rocks on Mars Many of the rocks found on Mars are not very different from Earth  ...

scienceviews.com/geology/igneoustypes.html

An igneous rock is formed by the cooling and crystallization of molten rock. ... These rock types all have different characteristics, including temperature when fluid ...

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 ...

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 ...

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 ...

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, ...