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North FAMOUS
Name Alias(es):
N Famous
NTO4
MGDS_FeatureID lowest in hierarchy:
Vent Sites:
Activity:
Maximum Temperature:
Latitude:
36.9670
Longitude:
-32.9670
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
2500
Minimum Depth (mbsl):
Tectonic setting:
Full Spreading Rate (mm/a):
20.3
Host Rock:
NotProvided
Deposit Type:
NotProvided
Notes on Vent Field Description:
Bougault et al. (1998), referring to the 1973-74 FAMOUS project: "A silicate hydrothermal deposit was sampled by the diving saucer Cyana in the transform fault north of the FAMOUS segment near 37°N (not in the inner floor of the rift valley) "; depth is approximate based on Fig. 1 in Bougault et al. (1998)
Notes Relevant to Biology:
Year and How Discovered (if active, visual confirmation is listed first):
1994 plume only
Discovery References (text):
(plume only) German et al, Earth Planet. Sci. Lett. 138, 93-104, 1996, Hydrothermal exploration near the Azores Triple Junction: tectonic control of venting at slow-spreading ridges?.
Other References (text):
[(for inactive areas observed during FAMOUS project - large areas (km dimensions) of Fe, Mn, and silica-rich crusts and hydrothermal clays) Hoffert et al., Oceanol. Acta 1, 73-86, 1978]
Bougault et al. (1998) FAMOUS and AMAR segments on the Mid-Atlantic Ridge: ubiquitous hydrothermal Mn, CH4, δ3He signals along the rift valley walls and rift offsets. Earth and Planetary Science Letters 161: 1-17.
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