Geology

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    Anticline
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    Basin
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    Braided Stream
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    Canyon
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    Cut Bank
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    Delta
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    Dome
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    Foot Wall
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    Gorge
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    Hanging Wall
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    Meander
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    Moraine
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    Normal Fault
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    Oblique Fault
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    Oxbow Lake
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    Point Bar
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    Reverse Fault
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    Roche Moutonnee
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    Strike Slip Fault
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    Syncline
  21. Banded Iron
    Age:
    How It Formed:
    Minerals Present:
    • Age: 2.7bya
    • How It Formed: Ex-halite that precipitated out into layers.
    • Minerals Present: Jasper (Silica), Hematite
  22. Giant's Range Granite
    Age:
    How It Formed:
    Minerals Present:
    • Age: 2.7bya
    • How It Formed: Formed in the Giants Range Batholith
    • Minerals Present: Feldspar, Quartz, Amphibole
  23. Knife Lake Group
    Age:
    How It Formed: 
    Minerals Present:
    • Age: 2.7bya
    • How It Formed: Formed from above water sediments and felsic ash
    • Minerals Present: Sedimentary rocks as well as meta-tuff and phyllites
  24. Duluth Complex
    Age:
    How It Formed:
    Minerals Present:
    • Age: 1.1bya
    • How It Formed: Mafic sill that intruded between the Giants Range Batholith and the North Shore Volcanic Group
    • Minerals Present: Contains mostly gabbro, contact zone contains precious metals (Copper)
  25. Archean Greenstone
    Age:
    How It Formed:
    Minerals Present:
    • Age: 2.7bya
    • How It Formed: Formed from metamorphised basalt and chlorite
    • Minerals Present: Contains greenstone and biotite schist (Quetico Sub-province)
Author
Iceblock
ID
218625
Card Set
Geology
Description
Quick Review
Updated