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Unformatted text preview: c. Are classified by mineralogy and texture. d. There are two major groups of igneous rocks : i. The plutonic- which have grains that are visible to the naked eye ii. The volcanic type which have very fine grains which requires a person to look at it with a microscope. 3. Metamorphic Rocks a. Have foliated and non-foliated texture b. Made up of flaky fabrics c. Has cleavage d. slat foliation...
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This note was uploaded on 12/12/2009 for the course GLS 1133 taught by Professor Cv during the Spring '09 term at Salem State.
- Spring '09