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Chapter 5: The Biogeochemical Cycles

Chapter 5: The Biogeochemical Cycles

Chapter 5: The Biogeochemical Cycles

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<strong>The</strong> Tectonic Cycle<br />

• Three types of plate boundaries<br />

– Divergent, convergent, transform faults<br />

• Divergent plate boundary<br />

– Occurs at a spreading ocean ridge, where plates<br />

moving away from one another<br />

– New lithosphere produced<br />

– Known as sea floor spreading, produces ocean<br />

basins<br />

Fossil records - Basin and range. This is typical of the land forms we see across the entire rocky mountain/north american continent - it was<br />

once entirely under sea water!

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