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www.ask.com/science/kind-rocks-moon-b6b9ebf9624efee0

The rocks brought back to Earth from the moon fall into four categories: mare basalts, impact breccias, pristine highland rocks and regolith. Basalts are igneous rocks formed by co...

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

List of rock types

en.wikipedia.org/wiki/List_of_rock_types

Names of non-rock types and archaic rock types are given as appendices. ... 1 Igneous; 2 Sedimentary; 3 Metamorphic; 4 Specific varieties of rocks; 5 See also  ...

Interactives . The Rock Cycle . Types of Rocks

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 ...

saltaquarium.about.com/od/faqs/f/faqbestliverock.htm
Answer: There are many grades of live rock to choose from, but for the most part aquarists look for rock that allows for maximum marine life and coralline algae growth. Keep in mind that live rock is normally sold by weight, so the more porous the rock is, the more roc... More »
By Stan & Debbie Hauter, About.com Guide

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 ...

www.ask.com/youtube?q=Kinds 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 ...

Types of Rocks: The Three Major Rock Groups - Video & Lesson ...

study.com/academy/lesson/types-of-rocks-the-three-major-rock-groups.html

Did you know that lava is molten rock that reaches the earth's surface? Furthermore, did you know that rocks exist in three general forms: igneous,...

Popular Q&A
Q: What kind of rock is genesis?
A: A foliated rock Read More »
Source: wiki.answers.com
Q: What kind of rock is basalt?
A: Basalt is an extrusive igneous rock, which means it has solidified from magma above ground. It is a mafic rock, meaning that it is relatively high in heavier el... Read More »
Source: wiki.answers.com
Q: What 3 kind of rocks are there?
A: The 3 types of rocks are Igneous, Sedimentary and Metamorphic. The 3 basic types of rocks are: Igneous (crystalline solids from magma), Sedimentary (3 subtypes)... Read More »
Source: www.chacha.com
Q: What kind of rock is a geode?
A: Geodes appear in sedimentary rocks but are made of clay and limestone with an out chalcedony layer and an inner quartz Read More »
Source: www.chacha.com
Q: What Kind of Rocks Make Arrowheads?
A: Cultures throughout history have carved rocks to form weapons including arrowheads. Native Americans in particular are famous for making arrowheads from stone. ... Read More »
Source: www.ehow.com