Chapter 5: Volcanoes

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saiya9
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238126
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Chapter 5: Volcanoes
Updated:
2013-10-01 11:20:14
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Amy Luther Geol 1001 LSU
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Chapter 5 part 1, obj. What are products of eruptions?
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  1. What are products of eruptions?(3)
    • 1. lava flow
    • 2.Pyroclastic debris
    • 3. Volcano gas
  2. Describe Basaltic lava flow.(4)
    • -low viscosity
    • -travels far/ fast from volcano
    • -30 km/hr
    • -up to 600 km; typically 1/2 km away
  3. Matching. Textures
    ___1.Pa'hoe'hoe
    ___2.A'a'
    ___3. Columnar Joint
    ___4. Pillow Basalt

    A. cools, shrink, polygons columbs
    B. jagged, angular block
    C.ropey
    D.lava cools in H2O, blobs, outside quenched (glassy)
    • Pa'hoe'hoe'-ropey
    • A'a'-jagged, angular block
    • Columnar Joint-cools shrink, polygons columns
    • Pillow basalt- Lava cools in H2O, blobs, outside quenched(glassy)

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