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Articles related to identify rocks

Mohs Scale of Hardness - Identify Rocks & Minerals - Chemistry
The Mohs Scale of Hardness measures how well a substance resists scratching by another material. You can use this scale to test the hardness of rocks, ...
http://chemistry.about.com/od/geochemistry/a/mohsscale.htm
Rock Identification Tables - Geology - About.com
Identify 43 of the most common rock types: igneous, sedimentary and ... Identify almost any rock type you're likely to find ... Identification of Igneous Rocks ...
http://geology.about.com/od/rocks/a/Rock-Tables.htm
Rock Pictures - An Index Page of Rock Types - Geology - About.com
You may also want to use the Rock Type Identification Key. Both documents require ... Hornfels—Tough and fine-grained, it forms where igneous rocks cook it .
http://geology.about.com/od/rocks/a/Rock-Picture-Index.htm
How to Look at a Rock - Geology - About.com
People don't usually look at rocks closely. So when they find a stone that intrigues them, they don't know what to do, except to ask someone like me for a quick ...
http://geology.about.com/od/rocks/tp/rocks101.htm
10 Steps to Identify Minerals - Start with the Specimen - Geology
Mineral identification starts with picking a good specimen. ... How to Identify Minerals in 10 Steps. By Andrew Alden .... About Rocks & Rock Collecting.
http://geology.about.com/od/mineral_ident/ss/beginminident.htm
Mineral Pictures Index - Geology - About.com
I use pictures of minerals like those you'll find in real rocks, rather than in museums or shops. This list starts with the handful of common minerals called the  ...
http://geology.about.com/od/mineralsresources/a/Mineral-Index.htm
About Rocks and Rock Collecting - Geology - About.com
Rocks of all types: how to identify them, how they form, what they mean.
http://geology.about.com/od/rocks/
Plutonic Rocks - Geology - About.com
Plutonic rocks defined and explained. ... Naked-Eye Features of Sedimentary Rocks · Identify Almost Any Rock with This Table · Mineral Collecting at Contact ...
http://geology.about.com/od/glossaryofgeology/g/Plutonic-Rocks.htm
Where to Look for Rocks and Minerals - Geology - About.com
Rocks and minerals can be found everywhere, but there is a learning ... For more serious study of rocks, though, you will need to find exposures of bedrock.
http://geology.about.com/od/activitiesbasics/a/whererocksmins.htm
Identifying Granitoids and Other Granite Rocks - Geology - About.com
How geologists sort out granite from the rocks that look like it.
http://geology.about.com/od/more_igrocks/a/granitoids.htm
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