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Grimsey Field
Name Alias(es):
GHF
Grimsey Submarine Hot Springs
Activity:
Maximum Temperature:
251
Latitude:
66.6067
Longitude:
-17.6542
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
400
Tectonic setting:
Full Spreading Rate (mm/a):
18.1
Volcano Number (if applicable):
Host Rock:
MORB, E-MORB, sediment-hosted
Deposit Type:
PMS
Notes on Vent Field Description:
located in Skjalfandadjup basin near the Tjoernes fracture zone, the southern boundary of the Kolbeinsey Ridge; Anhydrite mounds, vent temperature 248-251 C; "High-temperature hydrothermal venting (up to 250 C; this study) was observed within the Skjalfandadjup trough northeast of Grimsey Island"; sediment-filled pull-apart basin; note: Eyjafjaroardjup is listed in ISA database as a separate field near Grimsey
Notes Relevant to Biology:
NotProvided
Year and How Discovered (if active, visual confirmation is listed first):
1997 submersible Jago
Discovery References (text):
Stoffers, P., Shipboard Scientific Party, 1997. Cruise Report of R/V Poseidon 229 Institute of Geosciences, Departments of Geophysics and Geology–Paleontology, University of Kiel, 58 pp.
Hannington, et al. (2001), First observations of high-temperature submarine vents and massive anhydrite deposits off the north coast of Iceland, Mar. Geol. 177, 199– 220.
Other References (text):
J Scholten et al., InterRidge News 8(2), 1999, Hydrothermal activity along the Tjoernes Fracture Zone, north of Iceland: Initial results of R/V Poseidon cruises 252 and 253, p. 28-31
Botz et al., Earth. Planet. Sci. Lett., 171, 83-93, 1999, Origin of trace gases in submarine hydrothermal vents of the Kolbeinsey Ridge, north Iceland
T Kuhn et al. (2003) Origin of fluids and anhydrite precipitation in the sediment-hosted Grimsey hydrothermal field north of Iceland. Chem Geol 202: 5-21.
RDF link: