Tasman Basin

E90974

The Tasman Basin is a deep oceanic basin on the seafloor between Australia and New Zealand, forming a major structural and sedimentary feature of the Tasman Sea.

Observed surface forms (1)

Surface form Occurrences
East Australian continental margin 1

Statements (44)

Predicate Object
instanceOf geologic basin
oceanic basin
submarine basin
adjacentTo Lord Howe Rise
surface form: Lord Howe Rise Basin system

New Caledonia Basin (to the north via regional system)
age Mesozoic-Cenozoic
basementType oceanic crust
boundedBy Tasman Basin self-linksurface differs
surface form: East Australian continental margin

Lord Howe Rise
Campbell Plateau
surface form: New Zealand continental margin

Norfolk Ridge
climateInfluence Southern Ocean circulation (indirect)
continentNearby Australia
Terra Australis
surface form: Zealandia
countryOffshoreFrom Australia
New Zealand
floorType abyssal plain
formedBy rifting between Australia and Zealandia
seafloor spreading
geologicSetting passive continental margin
hasFeature sediment drifts
submarine channels
hydrographicContext South Pacific gyre system
locatedBetween Australia
New Zealand
locatedIn Tasman Sea
mainFormationPeriod Late Cretaceous
maximumWaterDepth over 5000 m
namedAfter Tasman Sea
partOf southwest Pacific Ocean
surface form: Southwest Pacific Ocean

seafloor of the Tasman Sea
relatedTo opening of the Tasman Sea
researchField marine geology
plate tectonics
sedimentaryFill pelagic sediments
thick marine sediments
turbidites
separates Zealandia microcontinent
eastern Australia
studiedBy multibeam bathymetric mapping
seismic reflection surveys
tectonicPlate Indo-Australian Plate
Pacific Plate
surface form: Pacific Plate (eastern margin vicinity)
underlies central Tasman Sea

Referenced by (2)

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

Tasman Basin boundedBy Tasman Basin self-linksurface differs
this entity surface form: East Australian continental margin
Tasman Sea contains Tasman Basin