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SESCA

Name Alias(es): 
southern Escanaba Trough
MGDS_FeatureID lowest in hierarchy: 
Vent Sites: 
Activity: 
Maximum Temperature: 
Latitude: 
40.7500
Longitude: 
-127.5200
Location on map: 
Ocean: 
Region: 
National Jurisdiction: 
Maximum or Single Reported Depth (mbsl): 
3300
Minimum Depth (mbsl): 
Tectonic setting: 
Full Spreading Rate (mm/a): 
55.4
Volcano Number (if applicable): 
Host Rock: 
sediment-hosted
Deposit Type: 
PMS
Notes on Vent Field Description: 
just north of DSDP Site 35; Baker et al. (1987): "Some sediments dredged at 40 45'N were also impregnated with asphaltic petroleum, presumably derived from in situ heating of terrestrial organic matter in the turbidites (KVENVOLDEN et al., 1986)"
Notes Relevant to Biology: 
NotProvided
Year and How Discovered (if active, visual confirmation is listed first): 
1986 sediments and heat-flow measurements
Discovery References (text): 
KVENVOLDEN et al. (1986) Petroleum associated with polymetallic sulfide in sediment from Gorda Ridge. Science, 234, 1231-1234.
Other References (text): 
Baker et al., Deep Sea Res. 34, 1461-1476, 1987, Evidence for high-temperature hydrothermal venting on the Gorda Ridge, northeast Pacific Ocean
[Zierenberg et al., Econ. Geol., 88, 2069-2098, 1993, Genesis of massive sulfide deposits on a sediment-covered spreading center, Escanaba Trough, southern Gorda Ridge].