Plutonic Rocks Quiz

What is the primary difference between plutonic and volcanic rocks?

• The location where they form

• The type of minerals they contain

• Their chemical composition

• Their color

Why do plutonic rocks have larger crystals compared to volcanic rocks?

• They form at higher temperatures

• They are exposed to air

• They cool down very slowly

• They contain more minerals

Which mineral is commonly found in granite, a felsic plutonic rock?

• Quartz

• Basalt

• Pyroxene

• Olivine

What is the equivalent volcanic rock of diorite?

• Basalt

• Andesite

• Gabbro

• Rhyolite

What is the primary mineral found in ultramafic rocks?

• Mica

• Quartz

• Feldspar

• Olivine

Which rock is known to be abundant on the moon?

• Granite

• Anorthosite

• Gabbro

• Diorite

What is a pluton?

• A type of crystal formation

• A body of magma that solidifies underground

• A mineral found in plutonic rocks

• A type of volcanic rock

What is a batholith?

• A large pluton covering over 100 square kilometers

• A type of volcanic eruption

• A small pluton

• A type of mineral

How do dikes form?

• By magma cooling on the surface

• By magma collecting in a vertical crack

• By magma collecting in a horizontal crack

• By erosion of existing rock layers

What role do plutonic rocks play in shaping landscapes?

• They erode quickly

• They form the ocean floor

• They shape continental landscapes

• They are not found on Earth