Metamorphic Rocks Quiz

Study Notes

Metamorphic Rocks

Formed from sedimentary or igneous rocks through increasing pressure and temperature.
Major types include slate, phyllite, schist, and gneiss.

Definitions of Key Rock Types

Mudstone/Shale:
- A sedimentary rock composed primarily of mud.
Slate:
- A metamorphic rock originating from mudstone.
- Characterized by no visible crystals and lacks shininess.
Phyllite:
- Also derived from mudstone.
- Lacks visible crystals but exhibits some shininess.
Schist:
- Resulting from mudstone with visible crystals.
Gneiss:
- Formed from mudstone and identified by its zebra-stripe pattern.
Migmatite:
- Derived from mudstone, recognized by its swirly/melty appearance.

Other Rock Types

Granite:
- An igneous rock from granitic magma; common and widely distributed.
Quartz/Sandstone:
- A sedimentary rock formed from sand particles.
Quartzite:
- A metamorphic rock resulting from the alteration of quartz/sandstone.
Carbonate/Limestone:
- Composed primarily of calcium carbonate from coral skeletons; a sedimentary rock.
Marble:
- A metamorphic rock formed from carbonate, typically derived from limestone.
Basalt:
- An igneous rock originating from basaltic lava; also common.
Greenstone/Greenschist:
- A metamorphic rock produced from basalt under low pressure and temperature conditions.
Amphibolite:
- Another metamorphic rock from basalt, transformed under high pressure and temperature.
Gabbro:
- An igneous rock from basaltic magma; noted for its rarity.
Granitic Gneiss:
- A metamorphic rock formed from granite, developed under high pressure and temperature.

Recap of Granite

Granite appears multiple times as an igneous rock formed from granitic magma; noted for its commonality and widespread occurrence.

Description

Test your knowledge on metamorphic rocks and their formation. This quiz will cover key terms and definitions related to the metamorphic rock cycle, including pressure, temperature, and specific rock types like slate and phyllite.