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The three main types of rocks are igneous, metamorphic, and sedimentary.

List of rock types - Wikipedia

en.wikipedia.org/wiki/List_of_rock_types

A list of rock types recognized by petrologists. There is no agreed number of specific types of rocks. Any unique combination of chemical composition, ...

Interactives . The Rock Cycle . Types of Rocks - Annenberg Learner

www.learner.org/interactives/rockcycle/types.html

Types of Rocks. Rocks are not all the same! The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among ...

Rocks: Pictures of Igneous, Metamorphic and Sedimentary Rocks

geology.com/rocks/

Photographs and information for a large collection of igneous, metamorphic and sedimentary rocks. Geology.com.

The 3 basic rock types

jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry13.html

Just as any person can be put into one of two main categories of human being, all rocks can be put into one of three fundamentally different types of rocks.

Types of Rocks - Kids Love Rocks

www.kidsloverocks.com/html/types_of_rocks.html

Types of Rocks. Rocks come in many different colors, shapes, and sizes. Because no two rocks are exactly alike, they are a lot of fun to collect. Your rock ...

The types of rock: igneous, metarmorphic and sedimentary

www.zmescience.com/other/science-abc/types-of-rock/

Jan 12, 2015 ... The three main types of geological rocks are described. They are...

www.ask.com/youtube?q=Type of Rocks&v=17l2LrjZi9o
Aug 10, 2015 ... You will learn about "3 Types of Rocks" in this video. Rocks can be broadly divided into three types on the bases of their formation, namely ...

Rock Types - Sandatlas

www.sandatlas.org/rock-types/

List of all Igneous, Sedimentary, and Metamorphic Rock Types with Pictures and Links to Specific Articles about each Type of Rock.

Types of Rocks - BrainPOP

www.brainpop.com/science/earthsystem/typesofrocks/

In this educational animated movie about Science learn about igneous, metamorphic, sedimentary, lava, magma, erosion, granite, obsidian, basalt, limestone, ...