Hess Deep

Name Alias(es):

101 W, Galapagos Rift

MGDS_FeatureID lowest in hierarchy:

GalapagosSpreadingCenter

Vent Sites:

Activity:

inactive

Maximum Temperature:

Max Temperature Category:

NotApplicable

Latitude:

2.2500

Longitude:

-101.5000

Location on map:

Ocean:

N. Pacific

Region:

Galapagos Rift

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

5100

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

39.5

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NFS, Fe & Mn crusts

Notes on Vent Field Description:

Fe & Mn crust cementing sediments; ridge intersection (Galapagos Rift & EPR)

Notes Relevant to Biology:

NotProvided

Year and How Discovered (if active, visual confirmation is listed first):

NotProvided

Discovery References (text):

[Hekinian et al., Econ. Geol., 88, 2099-2121, 1993]

Other References (text):

Hayman, N. W., and J. A. Karson (2007), Faults and damage zones in fast-spread crust exposed on the north wall of the Hess Deep Rift: Conduits and seals in seafloor hydrothermal systems, Geochem. Geophys. Geosyst., 8, Q10002, doi:10.1029/2007GC001623.

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