Difference between revisions of "Metamorphous Rock"
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| − | '''Metamorphic rocks''' are created when existing [[ | + | '''Metamorphic rocks''' are created when existing [[Igneous rock|igneous]] or [[Sedimentary rock|sedimentary]] [[rock]]s are squashed, stretched and/or cooked and change their appearance and [[mineral]] composition. |
Some metamorphic rocks have [[course-grained]] minerals that occur in wavy bands. Others are very [[fine-grained]]. Most are hard and difficult to break. | Some metamorphic rocks have [[course-grained]] minerals that occur in wavy bands. Others are very [[fine-grained]]. Most are hard and difficult to break. | ||
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*Kavanaugh, James. ''Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils'', Waterford Press: Arizona (2000) | *Kavanaugh, James. ''Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils'', Waterford Press: Arizona (2000) | ||
| − | [[ | + | [[Category:Geology]] |
Latest revision as of 15:58, July 13, 2016
Metamorphic rocks are created when existing igneous or sedimentary rocks are squashed, stretched and/or cooked and change their appearance and mineral composition.
Some metamorphic rocks have course-grained minerals that occur in wavy bands. Others are very fine-grained. Most are hard and difficult to break.
Kavanaugh, Pocket Naturalist
Sources
- Kavanaugh, James. Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils, Waterford Press: Arizona (2000)