Rock Solid Geology Quiz Test your knowledge of rocks, minerals, and the Earth's processes in this geology quiz! ghostman published on July 03 Stacked 1/10 What type of rock is formed from the cooling of magma or lava? Sedimentary Metamorphic Igneous Volcanic 2/10 Which mineral is commonly known as fool's gold? Quartz Hematite Pyrite Magnetite 3/10 What process is responsible for the formation of caves in limestone? Volcanism Erosion Karstification Tectonics 4/10 Which type of fault occurs when rocks are pushed together, causing compression? Normal fault Reverse fault Strike-slip fault Thrust fault 5/10 What is the hardest mineral on the Mohs scale? Calcite Gypsum Diamond Quartz 6/10 What is the process by which sediment is transformed into rock? Lithification Fossilization Erosion Weathering 7/10 Which type of volcano is known for its steep-sided cone built by explosive eruptions? Shield volcano Cinder cone volcano Stratovolcano Caldera volcano 8/10 What type of rock forms from the alteration of existing rock through heat and pressure? Sedimentary Metamorphic Igneous Granitic 9/10 Which layer of the Earth is composed primarily of solid iron and nickel? Crust Mantle Core Asthenosphere 10/10 In what type of rocks are fossils most commonly found? Igneous Sedimentary Metamorphic Quartz