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This was created to meet the curriculum outcomes in New Brunswick's Grade 7 Science Earth's Crust Unit.
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Wednesday, April 12, 2023
The Earth’s Crust
Metamorphic Rock
3. Metamorphic Rock – “Changing Form” Once a rock exists (as igneous or sedimentary), it can be changed into another, different kind of rock by using pressure and heat (and a lot of time)
Metamorphic rock – rock that has changed form into a new type of rock.
The original rock (parent rock) is changed by pressure and heat to form a new metamorphic rock.
Parent Rock Metamorphic Rock
Granite pressure and heat
Examples
Gneiss
Parent Rock Metamorphic Rock
Sandstone pressure and heat Sandstone Quartzite
Parent Rock Metamorphic Rock
Mudstone (Shale)
pressure and heat Mudstone Slate
(Shale)
Parent Rock Metamorphic Rock
Limestone pressure and heat Limestone Marble
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