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Guaymas Basin, Southern Trough
Name Alias(es):
Guaymas Basin
Southern Guaymas vent field
MGDS_FeatureID lowest in hierarchy:
Vent Sites:
Everest Mound
Orpheus
Activity:
Maximum Temperature:
359
Latitude:
27.0148
Longitude:
-111.4109
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
2000
Minimum Depth (mbsl):
Tectonic setting:
Full Spreading Rate (mm/a):
46.1
Host Rock:
MORB, sediment-hosted
Deposit Type:
PMS
Notes on Vent Field Description:
Fe oxide and Fe silicate bearing sediments in rift basins of spreading center; sediment-filled pull-apart basin; Mexican MPA as of 2009
Notes Relevant to Biology:
bacterial mets, tubeworms (Riftia)
Year and How Discovered (if active, visual confirmation is listed first):
1982 submersible Alvin; 1980 DeepTow CTD and dredging
Discovery References (text):
Lonsdale and Becker (1985) Hydrothermal plumes, hot springs, and conductive heat flow in the Southern Trough of Guaymas Basin. Earth and Planetary Science Letters 73: 211-225
[Hein & Yeh, Geol. Assoc. Canada Program with Abstracts, 11, 442, 1979]
[Simoneit & Lonsdale (1982) Hydrothermal petroleum in mineralized mounds at the seabed of Guaymas Basin. Nature 295: 198 - 202.]
Other References (text):
Koski et al. (1985) Mineralogy and Geochemistry of a sediment-hosted hydrothermal sulfide deposit from the Southern Trough of Guaymas Basin, Gulf of California. Journal of Geophysical Research, Volume 90, Issue B8, p. 6695-6708
Bazylinski, DA et al. (1989) Microbial utilization of naturally occurring hydrocarbons at the Guaymas basin hydrothermal vent site. App Envt Microbio 55(11): 2832-2836
Edgcomb, VP et al. (2002) Benthic eukaryotic diversity in the Guaymas Basin hydrothermal vent environment. PNAS 99: 7658-7662.
Ondreas, H. et al (2011). Combination of AUV high resolution mapping and submersible visual observations on the Guaymas Hydrothermal Fields (Southern Trough Ridge). Poster abstract B51G-0478 presented at the American Geophysical Union 2011 fall meeting, December 5–9, 2011, San Francisco, CA.
RDF link: