Stratigraphy of New Zealand

This is a list of the units into which the rock succession of New Zealand is formally divided. As new geological relationships have been discovered new names have been proposed and others are made obsolete. Not all these changes have been universally adopted. This table is based on the 2014 New Zealand Stratigraphic Lexicon (Litho2014).[1][2] However, obsolete names that are still in use and names postdating the lexicon are included if it aids in understanding.[3]

Cartoon cross-section of New Zealand stratigraphy.[1] Cenozoic deformation has been removed for clarity.

Names for particular rock units have two parts, a proper name which is almost always a geographic location where the rock is found and a hierarchical rank (e.g. Waitematā Group). This ranking system starts with individual 'beds' of rock which can be grouped into 'members', members are grouped into 'formations', formations into 'subgroups' then 'groups'. In New Zealand, groups are further combined into 'supergroups' or for basement rocks into terranes. Not all of these hierarchical layers are necessarily present within a particular rock succession. Many New Zealand rocks can also have names based on their major rock types, such as the Wooded Peak Limestone or the Hawks Crag Breccia.[4]

Summary of New Zealand high order rock names

New Zealand stratigraphy has also informally been divided into two 'megasequences'.[1] The Austral Superprovince (Cambrian-Cretaceous) includes all basement rocks and the Zealandia Megasequence (Cretaceous-Holocene) refers to those, younger rocks, that cover them. The Austral Superprovince is divided into the Eastern and Western Province, which have seven and two terranes respectively. The Zealandia Megasequence is divided into five supergroups, from oldest to youngest they are the Momotu, Haerenga, Waka, Māui and Pākihi supergroups.[1]

New Zealand rocks

Cover sequence (Zealandia Megasequence)   Pākihi Supergroup     Māui Supergroup     Waka Supergroup     Haerenga Supergroup     Momotu Supergroup     Basement rocks (Austral Superprovince) Eastern Province   Waipapa Composite Terrane     Torlesse Composite Terrane     Caples Terrane     Dun Mountain-Maitai Terrane     Murihiku Terrane     Brook Street Terrane     Drumduan Terrane     Western Province   Buller Terrane     Takaka Terrane

Basement rocks (Austral Superprovince)

Supergroup/Terrane[1]	Complex/Group/Terrane[1]	Period[2]	Location[2]	Summary[2][3][5]	Notable feature
Takaka Terrane	Haupiri Group	Cambrian	Tasman	Conglomerate and siltstone	Oldest rocks in New Zealand (early Mid-Cambrian)[6]
Takaka Terrane	Devil River Volcanics Group[6]	Cambrian(Middle)-Cambrian(Late)	Tasman	Volcanic rock. Arc igneous rocks and sediments
Takaka Terrane	Mount Patriarch Group[7]	Ordovician(Early)	Tasman	Marine. Siltstone and limestone
Takaka Terrane	Mount Arthur Group	Ordovician(Late)-Silurian	Tasman	Marble, mudstone with conodonts and sparse corals	Mount Arthur Marble[8] in which Harwood Hole is formed.
Takaka Terrane	Ellis Goup	Devonian(Early)	Tasman	Schist and quartzite
Takaka Terrane	Edgecumbe Group	Cambrian(Middle)-Cambrian(Late)	Fiordland	Meta-conglomerate, sandstone and basalt
Takaka Terrane	Cameron Group	Paleozoic(Early)	Fiordland	Meta volcanic rocks and sediments
Takaka Terrane	Pegasus Group[9]	Paleozoic(Early)	Stewart Island	Schist
Western Province	Tuhua Intrusives	Permian	North Island, South Island	Granite and other plutonic rocks
Buller Terrane	Greenland Group	Cambrian-Ordovician(Early)	Westland, Tasman, Fiordland	Marine. Volcanic sandstones, siltstones,	Once thought to be Precambrian and New Zealand's oldest rocks[10]
Buller Terrane	Golden Bay Group	Ordovician(Middle)- Ordovician(Late)	Tasman	Schist, shale and quartzite
Buller Terrane	Reefton Group[11]	Devonian	West Coast, Nelson	Sandstone, limestone and mudstone
Buller Terrane	Fanny Bay Group	Ordovician	Fiordland	Pelites, semi-pelites (graphitic), quartzite
Western Province	Parapara Group[12]	Permian(Late)-Triassic	Tasman	Conglomerate, quartzite and slate
Western Province	Median Tectonic Zone	Permian	North and South Islands	Multiple arc sequences
Drumduan Terrane	Pepin Group[13]	Jurassic	Nelson	Conglomerate
Drumduan Terrane	Drumduan Group[14]	Jurassic	Nelson	Marine. Mudstone, siltstone and tuff
Drumduan Terrane	Teetotal Group	Triassic	Nelson	Conglomerate
Drumduan Terrane	Largs Group	Cretaceous	Fiordland, Southland	Volcanic rock. Andesite, tuff and breccia
Drumduan Terrane	Paterson Group	Jurassic(Late)	Stewart Island	Schistose volcaniclastic sediments and volcanc rhyolite and dacite
Brook Street Terrane	Brook Street Volcanics Group	Permian	Nelson	Volcanic rocks and sediments. Mafic-intermediate volcanic island arc
Brook Street Terrane	Greenhills Group[15]	Permian(Middle)	Southland	Volcaniclastic breccia, dolerite, basalt with sandstone and marble
Brook Street Terrane	Productus Creek Group[16]	Permian-Triassic	Southland	Shallow marine and volcanogenic sediments
Murihiku Terrane	Huriwai Goup	Jurassic(Late)	Waikato, Auckland	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Apotu Group	Jurassic(Late)	Waikato, Auckland	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Kirikiri Group	Jurassic(Middle)-Jurassic(Late)	Waikato, Auckland	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Rengarenga Group	Triassic(Late)-Jurassic(Early)	Waikato, Auckland	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Newcastle Group	Triassic(Late)-Jurassic(Middle)	Waikato	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Richmond Group	Triassic	Nelson	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Diamond Peak Group	Jurassic(Early)	Southland	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Ferndale Group	Jurassic(Middle)	Southland	Marine. Volcanic sandstones, siltstones, and tuff	Cathedral Cave and Curio Bay petrified Forrest, Catlins
Murihiku Terrane	Mataura Group	Jurassic(Middle)	Southland	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	North Range Group	Triassic(Early)- Triassic(Middle)	Southland	Marine. Volcanic sandstones, siltstones, and tuff	Rock type exposed in cliffs and sea stacks at Nugget Point, Catlins
Murihiku Terrane	Taringatura Group	Triassic(Middle)-Triassic(Late)	Southland	Marine. Volcanic sandstones, siltstones, and tuff	Rock type exposed in cliffs and sea stacks at Nugget Point, Catlins
Murihiku Terrane	Kuriwao Group	Permian(Middle)	Southland	Marine. Volcanic sandstones, siltstones, and tuff
Murihiku Terrane	Park Volcanics Group[17]	Triassic(Late)-Jurassic(Early)	Southland	Volcanic rock. Andesites
Eastern Province	Kaka Point Structural Belt[18]	Triassic	Southland	Marine. Volcanic sandstones, siltstones
Dun Mountain-Maitai Terrane	Dun Mountain Ultramafics Group	Permian	South Island	Plutonic rock. Ultramafic rocks and serpentinites	Source of pounamu (jade)
Dun Mountain-Maitai Terrane	Livingstone Volcanic Group	Permian	South Island	Volcanic and plutonic rock. Gabbro and basalt flows
Dun Mountain-Maitai Terrane	Maitai Group	Permian-Triassic	South Island	Marine. Turbidite sequence and minor conglomerate
Dun Mountain-Maitai Terrane	Otanomomo Complex	Permian	Southland	Plutonic rock. Gabbro and diorite
Caples Terrane	Caples Group	Permian(Late)-Triassic(Late)	North and South Islands	Greywacke and ophiolite mélange	Greenstone/Croisilles Mélange[19]
Caples Terrane	Chrystalls Beach Complex	Triassic(Middle)	Southland	Schist mélange
Haast Schist	Kaimanawa Schist	Jurassic	Rotorua	Schist
Haast Schist	Terawhiti Schist	Carboniferous-Triassic	Wellington	Schist	"The most underwhelming outcrop of schist in New Zealand."[20]
Haast Schist	Marlborough Schist	Carboniferous - Triassic	South Island	Schist
Haast Schist	Alpine Schist	Carboniferous - Triassic	South Island	Schist	Source of pounamu (jade)
Haast Schist	Otago Schist	Carboniferous - Jurassic[21]	Otago	Schist
Haast Schist	Chatham Schist	Triassic	Chatham Islands	Schist
Torlesse Composite Terrane	Pahau Terrane[22]	Jurassic(Late)-Cretaceous(Early)	North and South Islands	Greywacke
Torlesse Composite Terrane	Kaweka Terrane	Jurassic(Early)-Cretaceous(Early)	Rotorua, Hawkes Bay, Wanganui	Greywacke
Torlesse Composite Terrane	Rakaia Terrane	Carboniferous-Jurassic	North and South Islands	Greywacke	Main rock type of the Southern Alps
Torlesse Composite Terrane	Esk Head Belt[23]	Triassic(Late)-Cretaceous(Early)	Wairarapa to North Canterbury	Mélange	Boundary of the Rakaia and Pahau Terranes.
Torlesse Composite Terrane	Pahaoa Group	Cretaceous(Early)	Wairarapa	Greywacke
Torlesse Composite Terrane	Clent Hills Group	Jurassic	North Canterbury	Greywacke
Waipapa Composite Terrane	Waipapa Group[24]	Triassic(Late)-Jurassic(Late)	Northland, Auckland	Greywacke and chert-basalt mélanges
Waipapa Composite Terrane	Manaia Hill Group	Jurassic(Late)-Cretaceous(Early)	Waikato, Auckland	Greywacke

Cover sequence (Zealandia Megasequence)

Supergroup/Terrane[1]	Complex/Group/Terrane[1]	Period[2]	Location[2]	Summary[2][3][5]	Notable feature
Momotu Supergroup	Matawai Group	Cretaceous	Gisborne	Marine. Sandstone, tuff and melange	Part of the East Coast Allochthon,
Momotu Supergroup	Ruatoria Group	Cretaceous	Gisborne	Volcanic rock	Part of the East Coast Allochthon,
Momotu Supergroup	Matakaoa Volcanics	Cretaceous- Cenozoic(Early)	Gisborne	Volcanic rock and sediments	Part of the East Coast Allochthon,
Momotu Supergroup	Mangapurupuru Group[25]	Cretaceous	Wairarapa, Hawkes Bay	Marine. Conglomerate, sandstone and siltstone
Momotu Supergroup	Pororari Group	Cretaceous	West Coast	Terrestrial sedimentary	Hawks Crag Breccia, uranium mineralization,[26]
Momotu Supergroup	Hapuku Group	Cretaceous(Late)	Marlborough	Marine. Sandstone and marls
Momotu Supergroup	Coverham Group	Cretaceous(Middle)-Cretaceous(Late)	Marlborough	Marine. Siltstone and sandstone
Momotu Supergroup	Wallow Goup	Cretaceous(Early)	Marlborough	Volcanic and sedimentary rocks	.
Momotu Supergroup	Mount Somers Volcanics Group	Cretaceous	Canterbury	Intermediate to silicic volcanic flows and domes
Momotu Supergroup	Waihere Bay Group	Cretaceous	Chatham Islands	Sandstone and conglomerate
Momotu Supergroup	Pitt Island Group	Cretaceous(Late)	Chatham Islands	Volcanic Rocks. Trachyte, tuff	Pitt Island
Momotu Supergroup	Puysegur Group	Cretaceous	Fiordland	Marine. Sandstone, siltstone rare conglomerate.
Momotu Supergroup	Matakea Group	Cretaceous(Middle)-Cretaceous(Late)	Otago	Terrestrial. Breccia, conglomerate and coal
Momotu Supergroup	Hoiho Group[27]	Cretaceous(Late)	Great South Basin	Terrestrial. Sandstone and conglomerate, with minor coal	Possible hydrocarbon source rock in Great South Basin[28]
Momotu Supergroup	Houhora Complex (Mt Camel Terrane)	Cretaceous(Early)	Northland	Volcanic rocks and sediments
Momotu Supergroup	Tangihua Complex	Cretaceous(Early)	Northland Auckland	Basalt, sandstone, mudstone	Part of the Northland Allochthon[29]
Momotu Supergroup	Tupou Complex[30]	Cretaceous(Early)	Northland	Marine. Sandstone and mudstone	Part of the Northland Allochthon[29]
Momotu Supergroup	Ngahape Volcanic Complex	Cretaceous(Late)-Paleocene	Wairarapa	Plutonic rock. basalt sills with minor dolerite, breccia and teschenite
Momotu Supergroup	Mandamus Igneous Complex[31]	Cretaceous(middle)	Canterbury	Volcanic rock. basalt
Momotu Supergroup	Tapuaenuku Igneous Complex[32]	Cretaceous(Middle)	Marlborough	Dike swarm and cumulates
Haerenga Supergroup	Motatau Complex	Eocene-Oligocene	Northland	Sandstone, Limestone	Part of the Northland Allochthon.[33]
Haerenga Supergroup	Mangakahia Complex	Cretaceous(Late)-Eocene	Northland, Auckland	Mudstone	Part of the Northland Allochthon,[33]
Haerenga Supergroup	Te Kuiti Group	Eocene(Late)-Oligocene(Late)	Waikato, Northland, Auckland	Sandstone, Coal, Limestone
Haerenga Supergroup	Moa Group	Paleocene-Eocene	Taranaki	Marine.
Haerenga Supergroup	Kapuni Group	Paleocene-Eocene	Taranaki, Tasman	Terrestrial. Alluvium	Rocks forming the cliff and sea stacks around Cape Farewell and Wharariki Beach,
Haerenga Supergroup	Tinui Group	Cretaceous(Late)-Paleocene	Wairarapa, Gisborne	Marine. Mudstone and sandstone	Dinosaur fossils (Tahora Formation),
Haerenga Supergroup	Mangatu Group	Paleocene-Oligocene	Gisborne	Marine. Mudstone and sandstone
Haerenga Supergroup	Tora Group	Cretaceous(Late)-Eocene	Wairarapa	Marine. Mudstone, sandstone and greensand
Haerenga Supergroup	Jenkins Group	Eocene-Miocene	Nelson	Coal
Haerenga Supergroup	Rapahoe Group	Eocene-Oligocene	Westland	Marine and marginal marine sediments
Haerenga Supergroup	Pakawau Group[34]	Cretaceous(Late)	Nelson, Taranaki	Coal Measures
Haerenga Supergroup	Paparoa Coal Measures	Cretaceous(Late)-Paleocene	Westland	Coal Measures
Haerenga Supergroup	Eyre Group	Cretaceous(Late)-Oligocene(Early)	Marlborough	Volcanic and sedimentary rock. Basalt and greensand	Plesiosaur fossils in the Conway Formation,
Haerenga Supergroup	Muzzle Group	Cretaceous(Late)-Paleocene	Marlborough	Marine. Mudstone, greensand, limestone and volcanic rock
Haerenga Supergroup	Seymour Group	Cretaceous(Late)	Marlborough	Marine. Sandstone and limestone
Haerenga Supergroup	Tioriori Group	Paleocene(Late)-Eocene(Early)	Chatham Islands	Marine. Limestone and greensand
Haerenga Supergroup	Kekerione Group	Paleocene(Late)-Eocene(Late)	Chatham Islands	Marine and volcanic rock. Limestone, tuff and volcanic rock
Haerenga Supergroup	Annick Group	Eocene	Southland	Terrestrial. Sandstone and siltstone
Haerenga Supergroup	Onekakara Group	Cretaceous(Late)-Oligocene	Otago, Canterbury	Marine. Siltstone	Host for the Moeraki Boulder concretions
Haerenga Supergroup	Matakea Group	Cretaceous(Middle)- Cretaceous(Late)	Otago	Terrestrial and marine. Sandstone and coal
Haerenga Supergroup	Ohai Group	Cretaceous(Late)	Southland	Terrestrial. Breccia, sandstone and coal
Haerenga Supergroup	Nightcaps Group	Eocene-Oligocene	Southland	Terrestrial. Coal and sandstone	Nightcaps coal mines
Haerenga Supergroup	Balleny Group	Eocene-Oligocene	Fiordland	Terrestrial and marine
Haerenga Supergroup	Pakaha Group[27]	Cretaceous(Late)-Paleocene	Great South Basin	Marine. Mudstone	Possible hydrocarbon source rock in Great South Basin[28]
Haerenga Supergroup	Rakiura Group[27]	Paleocene-Eocene	Great South Basin	Marine. Mudstone
Haerenga Supergroup	Campbell Island Group[35]	Cretaceous(Late)-Oligocene(Middle)	Campbell Island	Marine. Limestone	Campbell Island,
Haerenga Supergroup	Non-Grouped formation	Eocene	Nelson, West Coast	Terrestrial sedimentary	Brunner Coal Measures[36] and the Brunner Mine,
Waka Supergroup	Motatau Complex	Eocene-Oligocene	Auckland	Marine, Limestones and calcareous mudstones	Part of the Northland Allochthon.[33]
Waka Supergroup	Tangihua Complex	Cretaceous(Early)	Auckland and Northland	Volcanic rock.Basalt	Part of the Northland Allochthon.[33]
Waka Supergroup	Te Kuiti Group[37]	Eocene(Late)-Oligocene(Late)	Waikato, Northland, Auckland	Marine, minor terrestrial. Clastic and biogenic sediments	Host rock of the Waitomo Caves and the Piercy Island hole in the rock.
Waka Supergroup	Ngatoro Group	Oligocene	Taranaki	Marine. Sandstone, limestone and greensand
Waka Supergroup	Mangatu Group	Paleocene-Oligocene	Gisborne	Marine. Mudstone and sandstone
Waka Supergroup	Nile Group	Oligocene-Miocene(Early)	Westland	Marine. Limestones	Punakaiki Rocks and Oparara Basin Arches.
Waka Supergroup	Motunau Group	Oligocene-Pleistocene(Late)	North Canterbury	Marine. Quartzose sandstone and minor siltstone
Waka Supergroup	Cookson Volcanics Group	Oligocene(Early)	North Canterbury	Volcanic Rock.
Waka Supergroup	Kekenodon Group	Oligocene-Miocene(Early)	South Canterbury	Glauconitic sandstone and sandly limestone	Kokoamu Greensand and the Castle Hill climbing area
Waka Supergroup	Alma Group	Eocene(late)- Oligocene(early)	Otago, South Canterbury	Marine. Limestone, marl and volcanic rocks	Oamaru Stone (limestone) and volcanic rocks in the cliffs around Oamaru.
Waka Supergroup	Balleny Group	Eocene-Oligocene	Fiordland	Breccia
Waka Supergroup	Waiau Group	Oligocene-Miocene	Southland	Marine and terrestrial. Conglomerate, breccia, limestone and sandstone
Māui Supergroup	Reinga Group	Cretaceous-Paleocene	Northland	Terrestrial, minor marine. Conglomerates and fluvial deposits
Māui Supergroup	Parengarenga Group	Oligocene-Miocene(Early)	Northland	Marine. Sandstone and mudstone
Māui Supergroup	Coromandel Group	Miocene(Early)-Pliocene	Coromandel	Volcanic rock	Hard rock gold mines on the Coromandel Peninsula[38]
Māui Supergroup	Waitakere Group[39]	Early Miocene	Auckland	Volcanic rock. Basaltic-andesite and conglomerate	Lion Rock, Piha
Māui Supergroup	Otaua Group	Oligocene(Late)-Miocene	Northland	Marine. Mudstone with minor sandstone
Māui Supergroup	Ti Point Group[40]	Miocene(Late)-Holocene	Northland	Volcanic rock
Māui Supergroup	Whitianga Group	Miocene(Late)-Pleistocene(Early)	Coromandel, Auckland, Northland	Volcanic rock. Rhyolite lava dome and ignimbrite, minor sediments
Māui Supergroup	Waitemata Group[41]	Miocene	Auckland	Marine. Turbidites	Sea cliffs around Waitematā Harbour.
Māui Supergroup	Kiwitahi Volcanic Group[42]	Miocene	Auckland, Waikato, Rotorua	Volcanic rock. Andesite
Māui Supergroup	Whakamarama Group	Pleistocene(Middle)	Bay of Plenty	Volcanic rock. Andesite and ignimbrite
Māui Supergroup	Wai-iti Group	Miocene(Middle-late)	Taranaki	Marine. Sandstone and mudstone
Māui Supergroup	Whangamomona Group	Miocene(Middle)-Pliocene(Early)	Taranaki, Waikato, Wanganui	Marine. Sandstone and siltstone
Māui Supergroup	Mokau Group	Miocene(Early)	Taranaki, Waikato, Wanganui	Terrestrial. Sandstone and coal
Māui Supergroup	Mahoenui Group	Miocene(Early)	Taranaki	Marine. Turbidites
Māui Supergroup	Tolaga Group	Miocene	Gisborne	Marine. Sandstone, limestone and mudstone
Māui Supergroup	Awatere Group	Miocene(Late)-Pliocene(Late)	Marlborough	Marine. Conglomerate and sandstone
Māui Supergroup	Blue Bottom Group	Miocene-Pliocene	Westland, Nelson	Marine. Calcareous sandstone and siltstone
Māui Supergroup	Rappahannock Group	Miocene(Late)- Pleistocene(Early)	Nelson	Terrestrial. Sandstone and conglomerate
Māui Supergroup	Motunau Group	Oligocene(Late)- Pleistocene	North Canterbury	Marine. Glauconitic, calcareous sandstone, with minor siltstone
Māui Supergroup	Burnt Hill Group	Oligocene-Pliocene(Early)	North Canterbury	Marine, minor terrestrial. Basalt breccia and sandstone
Māui Supergroup	Diamond Harbour Volcanic Group[43][44]	Miocene(Late)-Pliocene)Early)	North Canterbury	Volcanic rock.Basalt	Banks Peninsula Volcano, Christchurch.
Māui Supergroup	Mount Herbert Volcanic Group[43][44]	Miocene(Late)	North Canterbury	Volcanic rock.Basalt	Banks Peninsula Volcano, Christchurch.
Māui Supergroup	Akaroa Volcanic Group[43][44]	Miocene(Late)	North Canterbury	Volcanic rock. Basaltic to trachytic lava flows	Banks Peninsula Volcano, Christchurch.
Māui Supergroup	Lyttelton Volcanic Group[43][44]	Miocene(Late)	North Canterbury	Volcanic rock.Basalt	Banks Peninsula Volcano, Christchurch.
Māui Supergroup	Dunedin Volcanic Group	Miocene	Eastern Otago	Volcanic rock. Multi phase shield volcano	Otago Peninsula and the north side of Otago Harbour.
Māui Supergroup	East Southland Group	Oligocene(Late)-Miocene(Middle)	Southland	Terrestrial.
Māui Supergroup	Otakou Group	Oligocene- Miocene	South Canterbury, Otago	Marine. Sandstone, mudstone and limestone	Cliff of Caversham Sandstone at Tunnel Beach, Dunedin.
Māui Supergroup	Manuherikia Group	Miocene-Pliocene	Otago, Southland	Terrestrial. Fluvial sediments	New Zealand's only fossilized land mammal (Saint Bathans Fauna).
Māui Supergroup	Hawkdun Group	Miocene(Late)-Pliocene	Otago	Terrestrial. Fluvial sediments
Māui Supergroup	Waiau Group[45]	Oligocene-Miocene	Southland	Marine, Limestone, sandstone and mass flow conglomerates.
Māui Supergroup	Penrod Group	Eocene(Late)-Miocene	Great South Basin, Campbell Island	Marine.
Pākihi Supergroup	Ngaio Group	Pleistocene(Late)	Kermadec Islands	Volcanic rock. Breccia, pumice, tephra	Raoul Island
Pākihi Supergroup	Macauley Group[46]	Pleistocene	Kermadec Islands	Volcanic rock. Lava, pumice	Macauley Island
Pākihi Supergroup	Haszard Group	Pleistocene	Kermadec Islands	Volcanic rock. tuff, scoria	Macauley Island
Pākihi Supergroup	Herald Group[47]	Pleistocene	Kermadec Islands	Volcanic rock. Volcanics and intercalated sedimentary deposits	Raoul Island
Pākihi Supergroup	Karioitahi Group	Pleistocene(Early)-Holocene	Northland, Auckland	Terrestrial. Sand dunes	West coast ironsands, Auckland.[48]
Pākihi Supergroup	Awhitu Group	Pliocene(Late)-Pleistocene(Early)	Northland, Auckland	Terrestrial. Sand dunes, alluvium	Old sand dunes from Ninety Mile Beach.
Pākihi Supergroup	Tauranga Group	Pliocene-Pleistocene	Bay of Plenty, Waikato	Terrestrial. alluvium, sandstone, pumice
Pākihi Supergroup	Hauturu Volcanic Group[49]	Pliocene(Late)-Pleistocene(Early)	Auckland, Northland	Volcanic rock. Rhyodacite	Little Barrier Island, Hauraki Gulf.
Pākihi Supergroup	Mayor Island Group[50]	Pleistocene(Late)-Holocene	Bay of Plenty	Volcanic rock. Rhyolite	Forms Mayor Island, Bay of Plenty.
Pākihi Supergroup	Kerikeri Volcanic Group	Pliocene(Late)-Holocene	Auckland, Northland, Waikato	Volcanic rock. Basaltic flows and scoria cones	Auckland Volcanic Field and Wairere Boulders.
Pākihi Supergroup	Alexandra Volcanic Group	Pliocene-Pleistocene	Waikato	Volcanic rock.
Pākihi Supergroup	Orangiwhao Intrusive Group	Pliocene(middle)	Waikato	Volcanic rock. Andesite
Pākihi Supergroup	Whakamaru Group[51]	Pleistocene	Rotorua, Waikato	Volcanic rock. Ignimbrite
Pākihi Supergroup	Pakaumanu Group	Pliocene-Pleistocene	Rotorua	Volcanic rock. Ignimbrite
Pākihi Supergroup	Ongaroto Group	Pleistocene	Rotorua	Volcanic rock. Rhyolite lava dome
Pākihi Supergroup	Maroa Group	Pleistocene	Rotorua	Volcanic rock. Ignimbrites and pyroclastic rocks
Pākihi Supergroup	Taupo Group[52]	Holocene	Rotorua	Volcanic rock. Tephra and ignimbrite	Taupo Volcano
Pākihi Supergroup	Okataina Group	Pleistocene(Late)-Holocene	Rotorua	Volcanic rock. Tephra, flows and lava domes	Part of the Taupo Volcanic Zone.
Pākihi Supergroup	Ruapehu Group[53]	Pleistocene	Wanganui	Volcanic rock. Andesite and tephra.	Mount Ruapehu
Pākihi Supergroup	Rotokare Group	Pliocene	Taranaki	Marine. Sandstone and mudstone
Pākihi Supergroup	Whangamomona Group	Miocene(Middle)-Pliocene(Early)	Taranaki, Waikato, Wanganui	Marine. Sandstone and mudstone
Pākihi Supergroup	Kidnappers Group	Pleistocene(Late)	Hawkes Bay	Marine. Turbidites and tuff	Cape Kidnappers
Pākihi Supergroup	Onoke Group	Miocene(Late)- Pleistocene	Wellington, Wairarapa	Marine. Mudstone, greensand and limestones	Badlands erosion forming the Putangirua Pinnacles.
Pākihi Supergroup	Mangaheia Group	Miocene(Late)-Pliocene	Gisborne, Hawkes Bay	Marine. Sandstone, Mudstone, and limestones
Pākihi Supergroup	Old Man Group[54]	Pliocene(Late)- Pleistocene(Early)	Nelson	Terrestrial, minor marine. Gravel and minor sands and muds	Caused by the start of uplift on the Alpine Fault and resultant erosion.
Pākihi Supergroup	Tadmor Group	Miocene-Pliocene	Nelson	Terrestrial. Gravel and minor sands, peat and muds
Pākihi Supergroup	Motunau group	Oligocene(Late)-Pleistocene	North Canterbury	Marine. Sandstone, greensand and limestones
Pākihi Supergroup	Karewa Group[55]	Pliocene-Pleistocene	Chatham Islands	Terrestrial, minor marine. Sand, peat and ash
Pākihi Supergroup	Hawkdun Group	Miocene(Late)-Pliocene	Otago	Terrestrial. Gravel, minor sand, mud and breccia	One source of alluvial gold in Otago.
Pākihi Supergroup	Solander Island Volcanics[56]	Pliocene	Fiordland	Volcanic rock. Andesites	Solander Island

See also

• Geology of New Zealand
• New Zealand geologic time scale
• List of rock formations of New Zealand

References

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2. "New Zealand Stratigraphic Lexicon (2014)". data.gnSuperGroupcri.nz.
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External links

• New Zealand Stratigraphic Lexicon