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Dellwood Seamount
MGDS_FeatureID lowest in hierarchy:
Activity:
Max Temperature Category:
Latitude:
50.7470
Longitude:
-130.8961
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
800
Minimum Depth (mbsl):
650
Tectonic setting:
Full Spreading Rate (mm/a):
56.3
Host Rock:
NotProvided
Deposit Type:
NFS, Fe & Mn crusts
Notes on Vent Field Description:
off-axis seamounts, Dellwood Knolls area, northern Explorer Ridge; Fe & Mn crusts, Fe-oxides in sediments, and altered basalt; "Ocean Networks Canada (ONC) is extending its long-term continuous monitoring capabilities to support new marine protection efforts by deploying a sophisticated instrument package on Dellwood Seamount within the Canadian Offshore Pacific Area of Interest" https://www.oceannetworks.ca/using-innovative-tech-monitor-and-protect-remote-seamounts; "From July 5-21, 2018, Fisheries and Oceans Canada, the Haida Nation, Oceana Canada, and Ocean Networks Canada will embark on an expedition to explore seamounts near the islands of Haida Gwaii in the northeast Pacific Ocean off the coast of British Columbia." http://dfo-mpo.gc.ca/science/atsea-enmer/missions/2018/seamounts-sousmarins-eng.html
Year and How Discovered (if active, visual confirmation is listed first):
1974 or earlier deposits only; 2018 ROV Hercules inactive
Discovery References (text):
Piper et al., (1975) An iron-rich deposit from the northeast Pacific Earth Planet. Sci. Lett., 26, 114-120. https://doi.org/10.1016/0012-821X(75)90183-1
RDF link: