Earth Term Review

Earth Term Review - Silica rich(felsic very viscous-what...

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Red = Exam 1 Blue = Exam 2 Lectures to Know Sand/sandstone (know the process of sorting [quiz 1]) Sedimentary environments Geologic time (relative) [chapter 12] -why things are positioned the way they are -superpositioning Glaciation [chapter 22] -glacial sediment (till; unsorted) -how sediment gets into glaciers -how sediment gets deposited at the end of glacier’s journey -ice starts flowing at 60m tall Minerals [chapter 5] -anything in the lecture -11 minerals used to highlight principles of minerals Volcanoes [chapters 6 and 9] -know it all -volcanic gas = precursor of today’s atmosphere -different kinds and why they’re different (i.e. comp. of magma.
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Unformatted text preview: Silica rich (felsic, very viscous))-what comes out (magma, pyroclastic material, gas)-3 rocks; felsic, thick magma = rhyolite (volcanic granite); mafic, not as thick = basalt; stuff in between = andesite (composite volcanoes) Granite Metamorphism (know contact metamorphism) Geologic Time (absolute) [chapter 12]-dendochronology-carbon dating-argon dating (why it’s useful) Earthquakes [chapter 10]-P-waves will travel thru solids and liquids; S-waves do not move through liquids-that’s how they discovered the centre of the earth is liquid Labs to Know Minerals (the 11 minerals) Igneous Rocks...
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This test prep was uploaded on 04/18/2008 for the course GEO EarthSci taught by Professor Graves during the Winter '07 term at Dalhousie.

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