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

Sea oats are important sand stabilizers at Grotto Beach, San Salvador, Bahamas. See other
beautiful phenomena
from the Bahamas.
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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