What are metamorphic rocks? | U.S. Geological …

Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. Metamorphic rocks form when rocks are subjected to high …

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CHAPTER 6: METAMORPHIC ROCKS

Chapter 6 - Metamorphic Rocks 2 of metamorphic rocks, it is sometimes customary to apply the prefix "meta-" to the name of the protolith; for example: metaconglomerate, metasandstone, and metabasalt (Fig. 6.1). In some cases, it is not possible to determine the protolith without doing a chemical analysis because the texture

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3.5: Types of Rocks

Uses of Metamorphic Rocks. Quartzite and marble are commonly used for building materials and artwork. Marble is beautiful for statues and decorative items such as vases (see an example in figure 18). Ground up marble is also a …

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Metamorphic Rocks: Classification, Structures and Uses

Structures in Metamorphic Rocks 3. Engineering Uses. 1. Metamorphic rocks may be classified on the basis of foliation into two types. They are: (a) Foliated rocks: This group includes the rock …

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19 Metamorphic Rocks Examples, Types, and Uses

Metamorphic rocks are one of the three rock cycles. The others are igneous and sedimentary rocks. The term 'metamorphic' comes from two Greek words, meta meaning to change, and morphos meansform. So, metamorphic roughly translates to a change of form. So, metamorphic rocks are rocks formed when igneous, sedi…See more on homespursuit