Plate Tectonics Unit: Dynamic Planet. The Unit so far Absolute and Relative Dating Absolute and...
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Transcript of Plate Tectonics Unit: Dynamic Planet. The Unit so far Absolute and Relative Dating Absolute and...
Plate TectonicsUnit: Dynamic Planet
The Unit so far
• Absolute and Relative Dating
• Rock Column• Index Fossil
• Principle of original horizontality• Half-life
• Radiometric Dating
The Unit so far
• You already know that the earth is divided into plates that move and
shift
•W
hat a
re
Earth
qu
ake
s an
d• What are the
forces That are involved in causing
these dynamic aspects of the
Earth?
volc
an
oes?
Wh
at ca
use
s the
Earth
to m
ove a
nd
I can model the forces believed
to be involved in the movement of
the crust.
volc
an
oes to
eru
pt?
Vocabulary• Subduction zone
• Oceanic Crust/plate• Continental
Crust/plate• Earthquake• Partial melt• Volcano• Crust• Mantel
• Lithosphere• Asthenosphere
• Core• Ocean Trench/Ridge• Divergent plate
boundary• Convergent plate
boundary• Transform plate
boundary
Layers of the Earth
Lets look at your model
92% of the ocean is 39o
In an area where fluids of different temperatures are
mixed what happens with the colder temperature fluids?