A list of rock types recognized by petrologists. There is no agreed-upon number
of specific types of rocks. Any unique combination of chemical composition, ...
Igneous Rocks: Photos, descriptions and facts about intrusive and extrusive
igneous ... Trap Rock Trap Rock is a name applied to any dark-colored igneous
Complete index of minerals varieties and other names. ... Complete Information
Guide to Rocks, Minerals, & Gemstones. Loading. Minerals. Minerals & Varieties.
Mar 12, 2001 ... Go here to see the most common kinds of rocks that we find in yards, gardens,
and parking lots. You'll find rock names, photos, and lots of other ...
Oct 25, 2000 ... Below is an alphabetical list of metamorphic rocks. If you know the name of a rock
and want to learn more about it, clicking on the name will ...
The earth is made of igneous rock - at least at the surface where our planet is
exposed to the coldness of space. Igneous rocks are given names based upon
Observant naturalists and geologists exploring New Zealand have identified a
number of unique or unusual rocks and minerals, often naming them after the ...
The Mica Group is the name given to a group of silicate minerals that have silicon
... It is common as a rock-forming mineral and is present in all three rock types: ...
Granite is a common intrusive plutonic igneous rock. Because it cools slowly
crystals have time to form. The name granite comes from the Latin word granum ...
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 collection will be truly ...