Hydrothermal vents

This topic submitted by David Brooks ( brooksdg@miamioh.edu) at 6:11 PM on 3/30/06.

Travis had a blast exploring Lighthouse Cave on San Salvador, Bahamas. See other beautiful phenomena from the Bahamas.

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Hydrothermal vents are important because they provide life in an area where normal life does not exist and are a source of salt for the water.

I: Introduction
A. what is a hydrothermal vent

II: location
A. mid ocean ridges
B. hot spots
C. subduction zones
D. 7000 ft deep

III: formation
A. divergent plate boundaries
B. water seeping in
C. magma heating
D. water rising

IV: features
A. black smokers
B. white smokers
C. chimneys

V: conditions
A. acidic water
B. enriched with metals
C. intense pressure
D. chemosynthesis

VI: Surrounding life
A. crabs
B. bacteria
C. tubeworms

Sources

Garrison, Essentials of Oceanography, 3rd edition, Brooks/Cole

Voyage to the Deep, http://www.ocean.udel.edu/deepsea/level-2/geology/vents.html, 2000

Office of Naval Research, http://www.onr.navy.mil/focus/ocean/habitats/vents1.htm

Wikipedia the Free Encyclopedia, http://en.wikipedia.org/wiki/Hydrothermal_vent, 2006

University of Washington School of Oceanography, http://www.ocean.washington.edu/people/grads/scottv/exploraquarium/vent/intro.htm



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