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10 Cards in this Set
- Front
- Back
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What was developed in WWII
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During WWII sonar was developed & used to map the sf
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Harry Hess
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*An Geologist *Responsible for theory of SFS
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SFS
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The process of the MOR continuously make new sf
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where are the youngest rocks found
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the youngest rock are found at the MOR
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where are the oldest rocks found
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the oldest rocks are found near the continents
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how long has the poles been normal
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the poles been normal since the start of human life
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What is it called when the poles switch
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when the poles switch it is called reverse polarity
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Igneous rocks do what to hold the SF
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Igneous rocks on the SF hold a record of the pole reversals
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how did continent drift
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Plate tectonics
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where is true north
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True north is at Hudson bay
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