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Kōrero: Sea floor geology

Ngā whakaahua, ngā rauemi katoa

Mai i te whārangi 1 - Zealandia: the New Zealand continent

The New Zealand continent

The New Zealand continent

Continental shelves

Continental shelves

Pacific Ring of Fire

Pacific Ring of Fire

Continental and oceanic crust

Continental and oceanic crust

Plate boundary

Mai i te whārangi 2 - Active plate boundaries

Puysegur Trench

Puysegur Trench

Kermadec volcanoes

Kermadec volcanoes

Colville and Kermadec ridges

Colville and Kermadec ridges

Solander Island

Solander Island

Submarine volcanic activity

Submarine volcanic activity

Mai i te whārangi 3 - The continental shelf

New Zealand’s coastline in the ice age

New Zealand’s coastline in the ice age

Table Cape

The legal continental shelf

The legal continental shelf

Mai i te whārangi 4 - Continental slopes, canyons and landslides

Continental slopes

Continental slopes

Subduction under the North Island

Subduction under the North Island

Underwater canyon

Underwater canyon

Underwater landslide

Underwater landslide

Fear on a calm day

Fear on a calm day

Mai i te whārangi 5 - Abysses

Basins, troughs and trenches

Basins, troughs and trenches

Havre Trough

Hikurangi Plateau

Hikurangi Plateau

Hikurangi Channel

Hikurangi Channel

Mai i te whārangi 6 - How sediment forms

Organic and inorganic sediment

Organic and inorganic sediment (1 o 3)

Foraminiferous sediment

Foraminiferous sediment (2 o 3)

Foraminifers

Foraminifers (3 o 3)

New Zealand’s marine sediment

New Zealand’s marine sediment

Ripples in seafloor sediment

Ripples in seafloor sediment

Mai i te whārangi 7 - New Zealand sea-floor sediment

Sediment plumes

Sediment plumes

Kaikōura Canyon

Kaikōura Canyon

Hikurangi Channel

Hikurangi Channel

Mai i te whārangi 8 - Exploring the sea bed

Sea-floor sampling equipment

Sea-floor sampling equipment

Sediment cores

Drilling the floor

Drilling the floor

Me pēnei te tohu i te whārangi:

Keith Lewis, Scott D. Nodder and Lionel Carter, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/sea-floor-geology/media (accessed 31 May 2023)

He kōrero nā Keith Lewis, Scott D. Nodder and Lionel Carter, i tāngia i te 12 Jun 2006