Rocks and Minerals Quiz (1) Test your knowledge on geology with these 12 questions about rocks, minerals, and formations. delya90 published on July 03 Stacked 1/12 What type of rock is formed from cooled magma? Sedimentary Igneous Metamorphic 2/12 Which mineral is the hardest on the Mohs scale? Diamond Quartz Feldspar 3/12 What is the process by which one rock type transforms into another? Melting Erosion Metamorphism 4/12 Which of the following is NOT a type of plate boundary? Convergent Uniform Transform 5/12 What is the name for a circular depression formed by the collapse of a cave roof? Canyon Sinkhole Fissure 6/12 Which type of rock typically contains fossils? Sedimentary Igneous Metamorphic 7/12 What is the most common mineral in the Earth's crust? Feldspar Calcite Pyrite 8/12 What type of rock is formed by the compaction of layers of sediment? Sedimentary Igneous Metamorphic 9/12 Which type of volcano has steep sides and explosive eruptions? Shield volcano Stratovolcano Cinder cone volcano 10/12 What is the term for the breaking down of rocks into smaller particles? Weathering Erosion Deposition 11/12 Which mineral is widely used in electronic devices due to its conductivity? Quartz Copper Graphite 12/12 What is the term for the bending and tilting of rock layers caused by tectonic forces? Weathering Volcanism Folding