Rock Type Identification

What is this rock?

• Limestone (Sedimentary)

• Limestone (Metamorphic)

• Shale (Sedimentary)

• Shale (Igneous)

What type of rock is this?

• Scoria (Sedimentary)

• Scoria (Igneous)

• Pumice (Igneous)

• Pumice (Metamorphic)

This is the most common type of volcanic rock. What is it?

• Basalt (Extrusive Igneous)

• Basalt (Metamorphic)

• Basalt (Sedimentary)

• Basalt (Intrusive Igneous)

What type of rock is this?

• Cemented (Sedimentary)

• Compacted (Igneous)

• Conglomerate (Igneous)

• Conglomerate (Sedimentary)

What type of rock will this become?

• Intrusive Metamorpic Rock

• Extrusive Metamorphic Rock

• Extrusive Igneous Rock

• Intrusive Igneous Rock

This is a metamorphic rock. What is it called?

• Shale

• Slate

• Basalt

• Gneiss

How do you know that Granite is an igneous rock?

• Large, visible crystals

• Grains of different colours

• Rough texture

• Absence of layering

This is a metamorphic rock. How do you know?

• Thin, visible layers

• Rough texture

• Different colours (multiple minerals)

• Weathering and erosion

What may have caused the shape of this cave?

• Physical weathering by water

• Gravitational erosion

• Physical weathering by wind

• Chemical weathering by water

__________ often causes the break down of rocks.