Geomorphology Quiz

What is the composition of the inner core of the Earth?

• Aluminium and potassium

• Silicate minerals

• Olivine and pyroxene

• Iron and nickel

Which layer of the Earth is the largest in terms of volume?

• Asthenosphere

• Crust

• Core

• Mantle

What is the boundary that separates the crust from the mantle called?

• Moho

• Asthenosphere

• Lithosphere

• Pluton

Which type of rock is formed when molten material solidifies below the Earth's surface?

• Igneous rock

• Metamorphic rock

• Sedimentary rock

• Granite

What is the major mineral component of gabbro?

• Olivine

• Quartz

• Feldspar

• Pyroxene

Which type of igneous rock cools very rapidly and has fine-textured crystals?

• Gabbro

• Peridotite

• Diorite

• Granite

What is the process called when minerals within an igneous rock undergo a slow chemical reaction due to exposure to the Earth's surface?

• Sedimentation

• Erosion

• Weathering

• Mineral alteration

What is the main characteristic of intrusive igneous rocks?

• They cool rapidly

• They develop large mineral crystals

• They are formed on the Earth's surface

• They have fine-textured crystals

Which type of rock is classified as ultramafic igneous rock?

• Granite

• Diorite

• Gabbro

• Peridotite

What is the name of the largest plutons formed when igneous rock is intruded into surrounding rocks?

• Larva

• Sills

• Dikes

• Batholiths