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