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Name: _____________________________________ Date: __________________ Period: _____ Chapter 10.4: Metamorphic Rock 1. Metamorphic Rock a. __________ formed from other rocks as a result of intense ________, _________________, or ___________________ processes. b. _________________________ is the changing of one __________ of rock to ___________________ by heat, pressure, and _____________ _______________________. c. Most metamorphic __________ is formed ____________ beneath the surface of the ____________ and consists of existing ____________, ___________________, or _____________________________ rock. 2. Formation of Metamorphic Rock a. ______ types of _______________________ occur in the _______ of the earth. They are ______________ metamorphism and __________________ metamorphism. i. Contact ____________________ occurs when hot __________ pushes through _________________ rock and the heat from the magma _______________ the structure and _______________ composition of the _______________________ rock. 1. In this type of __________________ only the rocks near or _________________ the magma are changed by its _____________. 2. Hot ________________ fluids working through __________________ may also cause changes in the __________________ rock during contact ____________________________. ii. _______________ metamorphism occurs over an ________ of thousands of ____________ kilometers during _____________ of _______________________ activity. 1. The ______________ of one tectonic _________ against another creates _________________ heat and pressure in the ___________ at the plate ___________ which causes chemical ____________ in the __________________ of the rock. 2. Most _________________ rock are created by this type of _________________________. Name: _____________________________________ Date: __________________ Period: _____ 3. Classification of Metamorphic Rocks a. ___________________ rocks are classified by their ______________. b. There are _______ types of textures a metamorphic ______________ may have. They are _________________ and _________________________ textures. i. ____________ rocks are formed with _____________ bands of ________________ and can form in one of two ways. 1. _______________ pressure may ________________ the mineral _________________ in the original rock and _____________ them into parallel ______________ or… 2. ________________ can also occur when _____________ of different ____________________ separate into bands, producing a series of _________________ dark and _______________ bands. ii. Examples of ___________________ rock with _____________ textures include ________, __________, and ______________. iii. ____________________ rocks are formed without __________________ bands. 1. Nonfoliated ___________ are formed when __________ and ______________ cause the mineral ___________ to ___________________ so that the spaces between them ___________________. a. Examples of nonfoliated rocks include __________________ (original rock is ____________________) and ________________ (original rock is __________________________.)