Geology 100: Exam 1 review

Lecture 08: 2020-10-01 — Thu Oct 1, 2020


No class previous two lectures

  • Strategy:
    • Review powerpoint
    • Listen lectures
  • Formation of the Universe, Solar System, Earth
    • How did planets form
    • How old is Earth
    • What is core of earth made of
    • Order of layers in Earth
    • How did atmosphere get oxygen?
    • Difference between inner and outer (terrestrial vs jovian)
  • Minerals
    • ionic vs covalent bonding
    • proton, neutron, electron
    • Hardest mineral?
    • Why is hardest?
    • Which two most abundant elements in crust of the earth
    • What are silicates?
    • Why are Feromagnesian sillicates dark?
    • Softest mineral (Mohs hardness scale)
    • What is cleavage in minerals?
    • What are isotopes
    • What is nucleus of atom made of?
    • Definition of a rock
    • What are 3 different types of rocks
    • What is magma? What is lava
    • 3 type of magam: felsic, intermediate, mafic
    • What is obsidian
    • Order of crystallization in the Bowen reaction series
    • Difference between inclusive and exclusive rocks
    • What is porphritic text in igneous rocks
    • Dominant mineral in limestone and marble
    • What kind of rock is coal?
    • What is dominant mineral in salt
    • What is foliation
    • What is difference between intrusive and extrusive rocks
    • Difference between contact and regional metamorphism
  • Volcanoes
    • What is a lahar
    • Most active volcanoe
    • Three different types of volcanoes: shield, cone, strata
    • What is a pyroclastic flow
    • How many active volcanoes in the world?
    • What is a caldera
    • Difference between active, extinct, and dormant volcanoes
    • Which Hawaiian island is likely to erupt
    • Pacific rim of fire is where most composite volcanoes are located
    • What kind of volcano is Mt. St. Helens
    • What type of geologic setting are the Hawaiian islands?
    • What is a Plinian eruption?
    • If Yellowstone erupted today how much ash would fall in New York?
    • what is the difference between a VEI 5 and a VEI 7
    • Which volcano was a VEI 8 eruption 74,000 years ago (caused global climate change for next few years; decrease in homosapian population down to 12,000)

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