EPSC 201 Lecture Notes - Lecture 9: Industrial Mineral, Peridotite, Outer Core
26 Jan 2017
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Map active faults and areas likely to liquefy from shaking. Develop construction codes to reduce building failures. Light waves can refract and reflect when they get in contact with a surface. Light going from a fast medium to slow medium refracts away from the boundary. Light going from a slow medium to a fast medium refracts towards the boundary. There is also a transition zone (between 410 and 660) it is considered part of the upper mantle. Discovering the core mantle boundary: a seismologist discovered that p-waves from a given earthquake do not arrive at seismometers lying between 103 and 143 degrees creating a p-wave shadow zone. Discovering the nature of the core: seismologists discovered that s-waves do not arrive at stations located between. What is a mineral: naturally occurring. Humans can recreate natural processes to make minerals. Known as synthetic minerals: formed geologically. Precipitation from a dissolved state in water.
