Ersc181 -Week 3 Study Guide Questions And Correct Answers

Landforms created by volcanoes can include ________. {Ans: all of the above -islands -plateaus -mountains}Which rock composition has the most amount of silica? {Ans: felsic}If you are interested in knowing the most accurate calculation of the amount of energy released by an earthquake, which scale would you consult? {Ans: Magnitude Moment scale}Which of the following statement is the most accurate {Ans: Earthquakes are caused when stresses on rocks are too great and the rock breaks, typically along fault lines or plate boundaries.}Which of the following statement is correct? {Ans: P or primary waves are compressional waves and travel the fastest.}Which of the following is a secondary hazard associated with earthquakes? {Ans: All are secondary hazards -tsunami -liquefaction -seiche}If you are interested in only knowing the amount of damage caused by the earthquake, which scale would you consult? {Ans: the Modified Mercalli scale}The spot on the surface directly above where the earthquake occurred is called the what? {Ans: epicenter}A planar basaltic intrusion that cuts across layers of sedimentary rocks is called a _______. {Ans: dike}If a rock contained amphibole, potassium feldspar (orthoclase), biotite, and quartz, as the rock is heated, which mineral