IGNEOUS, METAMORPHIC AND SEDIMENTARY ROCKS

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IGNEOUS, METAMORPHIC AND SEDIMENTARY ROCKS by Mind Map: IGNEOUS, METAMORPHIC AND SEDIMENTARY ROCKS

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3. Metamorphic

3.1. Metamorphic rocks have been modified by heat, pressure and chemical process usually while buried deep below Earth's surface. Exposure to these extreme conditions has altered the mineralogy, texture and chemical composition of the rocks

3.1.1. There are two basic types of metamorphic rocks: 1) foliated metamorphic rocks 2) non-foliated metamorphic rocks

3.1.1.1. 1. Foliated metamorphic rocks which have a layered or banded appearance that is produced by exposure to heat and directed pressure. EX: Slate

3.1.1.2. 2. Non-foliated metamorphic rocks which do not have a layered or banded appearance. Ex: marble and quartzite

3.1.2. Metamorphic Rocks

3.1.2.1. http://geology.com/rocks/metamorphic-rocks.shtml

4. Igneous

4.1. Igneous rocks are formed from the solidification of molten rock material.

4.1.1. There are two basic types: 1) intrusive igneous 2) extrusive igneous rocks

4.1.1.1. 1. Intrusive Igneous- solidify below Earth's surface Ex: gabbro, granite

4.1.1.2. 2. Extrusive Igneous- solidify on or above Earth's surface. Ex: basalt

4.1.2. Igneous Rocks

4.1.2.1. http://geology.com/rocks/igneous-rocks.shtml

5. Sedimentary

5.1. Sedimentary rocks are formed by the accumulation of sediments.

5.1.1. There are three basic types of sedimentary rocks: 1) Clastic sedimentary rocks 2) chemical sedimentary rocks 3) organic sedimentary rocks

5.1.1.1. 1. Clastic sedimentary rocks that are formed from mechanical weathering debris Ex. sandstone and shale

5.1.1.2. 2) Chemical sedimentary rocks that form when dissolved materials precipitate from solution Ex: rock salt and some limestones

5.1.1.3. 3) Organic sedimentary rocks which form from the accumulation of plant or animal debris Ex: coal and some limestones

5.1.2. Sedimentary Rocks

5.1.2.1. http://geology.com/rocks/sedimentary-rocks.shtml

6. Works Cited

6.1. "Sedimentary Rocks." Sedimentary Rocks. GeoScience News and Information, n.d. Web. 27 Apr. 2015.

6.2. "Metamorphic Rocks." Metamorphic Rocks. GeoScience News and Information, n.d. Web. 27 Apr. 2015.

6.3. "Igneous Rocks." Igneous Rocks. GeoScience News and Information, n.d. Web. 27 Apr. 2015.

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7. IGNEOUS, METAMORPHIC AND SEDIMENTARY ROCKS