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Metamorphic Rocks.

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Presentation on theme: "Metamorphic Rocks."— Presentation transcript:

1 Metamorphic Rocks

2 Aim & Learning Target Aim: Learning Target:
How do we classify and evaluate metamorphic rocks?  Learning Target: I CAN explain how metamorphic rocks are formed and on what basis they are classified

3 Do Now Open your Reference Tables to the Rock Cycle. Looking at the Metamorphic Rock Chart try to fill in the chart below

4 Do Now Check: Read the following statement:
Your family goes hiking up Bear Mountain. On your way up the mountain you stop and pick up 3 rocks. You tell your family that they are all metamorphic rocks based on the layers and stripping that they show. Thumbs up you agree Thumbs down you disagree

5 Metamorphic Rock When any type of rock (sedimentary, metamorphic, igneous) undergoes METAMORPHISM (subjected to heat and pressure) forms a metamorphic rock.

6 Two types of metamorphism Contact and Regional
(heat) Magma/lava will hit into the rock, causing it to change into a metamorphic rock Regional (pressure) Layers of rock on top cause pressure to build up  metamorphism

7 Characteristics of metamorphic rock
Foliation & Banding wavy bands of dark and light minerals Ex – Gneiss Mineral Alignment – interlocking crystals ----- Meeting Notes (12/13/12 14:18) ----- cheryle is the best rock' Hey Ms c :-D

8 What pg of the ref table can you find the Scheme for Metamorphic Rock identification?
Page 7. What does it tell us about metamorphic rocks? How does marble form?

9 For the classwork questions you have to use the rock cycle.
A lot of these questions come straight from the Regents. For Tonight’s HW, use the classification schemes. HW is 1-13


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