AIM: How are metamorphic rocks formed, classified and used? OBJ: Given notes and activity sheet SWBAT explain how metamorphic rocks are formed, classified and used with 70% accuracy DN: HW Check- WEDS Activity Sheet (distribute Answer Key); Watch video - PowerPoint PPT Presentation

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PPT – AIM: How are metamorphic rocks formed, classified and used? OBJ: Given notes and activity sheet SWBAT explain how metamorphic rocks are formed, classified and used with 70% accuracy DN: HW Check- WEDS Activity Sheet (distribute Answer Key); Watch video PowerPoint presentation | free to download - id: 7f7e2a-ZGViM



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AIM: How are metamorphic rocks formed, classified and used? OBJ: Given notes and activity sheet SWBAT explain how metamorphic rocks are formed, classified and used with 70% accuracy DN: HW Check- WEDS Activity Sheet (distribute Answer Key); Watch video

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Title: AIM: How are metamorphic rocks formed, classified and used? OBJ: Given notes and activity sheet SWBAT explain how metamorphic rocks are formed, classified and used with 70% accuracy DN: HW Check- WEDS Activity Sheet (distribute Answer Key); Watch video


1
AIM How are metamorphic rocks formed, classified
and used?OBJ Given notes and activity sheet
SWBAT explain how metamorphic rocks are formed,
classified and used with 70 accuracyDN HW
Check- WEDS Activity Sheet (distribute Answer
Key) Watch video https//www.youtube.com/watch?v
kRUwchlza88 ACT Introduction to Metamorphic
Rocks (Notes)Text, read p. 160-162 Complete
Metamorphic Rocks Activity SheetHW Complete
Metamorphic Rocks Activity Sheet Minerals
Rocks Exam, March 20.
2
Metamorphic Rocks
  • Metamorphic change form heat pressure deep
    beneath Earths surface can change any rock into
    a metamorphic rock.
  • Metamorphism occurs
  • 1) At the site of plate collision (subduction)
  • 2) Within the core of mountains
  • 3) Near rising magma plumes.

3
Types of Metamorphic Rocks High Temperature
changes the size shape of the grains or mineral
crystals ( recrystallization). Extreme Pressure
squeezes rock so tightly that mineral grains
/crystals line up in flat, parallel layers.
4
Metamorphic Rocks
  • Metamorphic Rocks are classified based on the
    arrangement of the grains (crystals)
  • Foliated Rocks the crystals are arranged in
    parallel layers or bands.
  • Nonfoliated Rocks the mineral grains are
    arranged randomly and grain (crystal) size has
    increased ( recrystallization). These rocks are
    extremely hard.

5
  • original rock ? metamorphic rock
  • shale ? slate
  • granite ? gneiss
  • sandstone ? quartzite
  • limestone ? marble

6
Granite Metamorphism
Gneiss
Limestone Metamorphism Marble
7
Shale Metamorphism Slate
Limestone Metamorphism Marble
8
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High Grade
10
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Metamorphic Settings
13
  • Uses of Metamorphic Rock
  • Building slate flooring, walkways, chalkboard,
    marble
  • Sculpture marble Lincoln Memorial
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