Pacific Ocean seafloor

E885753

The Pacific Ocean seafloor is the vast, geologically active bottom of the world’s largest ocean basin, characterized by deep trenches, mid-ocean ridges, seamounts, and extensive abyssal plains.

All labels observed (4)

How this entity was disambiguated

Statements (52)

Predicate Object
instanceOf oceanic seafloor
ageRange mostly Mesozoic to Cenozoic
averageDepth about 4,000 to 5,000 meters
borderedBy Pacific Ring of Fire
characterizedBy abyssal plains
deep ocean trenches
mid-ocean ridges
seamounts
contains cobalt-rich ferromanganese crusts
cold seeps
fracture zones
hydrothermal vent fields
manganese nodule fields
subduction zones
transform faults
coversArea largest ocean basin on Earth
formedBy plate tectonics
hasFeature Abyssal plains of the North Pacific
Abyssal plains of the South Pacific
Clarion Fracture Zone
Clipperton Fracture Zone
East Pacific Rise
Explorer Ridge (marginal plate)
linked to: Gorda Ridge

Gorda Ridge (marginal plate)
linked to: Gorda Ridge

Hawaiian–Emperor seamount chain
Japan Trench
Juan de Fuca Ridge (marginal plate)
linked to: Juan de Fuca Ridge

Kermadec Trench
Kuril–Kamchatka Trench
linked to: Kamchatka Trench

Louisville Ridge seamount chain
Manihiki Plateau
Mariana Trench
Mendocino Fracture Zone
Ontong Java Plateau (margin region)
linked to: Ontong Java Plateau

Pacific–Antarctic Ridge
Peru–Chile Trench
linked to: Atacama Trench

Philippine Trench
Puerto Rico Trench (eastern boundary region)
linked to: Puerto Rico Trench

Shatsky Rise
Tonga Trench
is geologically active
locatedIn Pacific Ocean basin
maxDepth about 10,984 meters at Challenger Deep
oldestCrustNear western Pacific subduction margins
partOf Pacific Ocean
studiedBy marine geology
oceanography
supports chemosynthetic ecosystems
underlainBy oceanic crust
underlies largest oceanic tectonic plate (Pacific Plate)
linked to: Pacific Plate

several smaller oceanic plates
youngestCrustNear East Pacific Rise

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Galápagos Rise partOf Pacific Ocean seafloor
ODP Leg 145 studiesFeature North Pacific abyssal plains
linked to: Pacific Ocean seafloor
New Zealand Plateau from abyssal plains oceanographicContext South Pacific abyssal plains
linked to: Pacific Ocean seafloor
Pacific Ocean seafloor hasFeature Abyssal plains of the North Pacific
linked to: Pacific Ocean seafloor
Nazca oceanic crust volcanic provinces partOf Pacific Ocean seafloor