Wellington Region

Baring Head marine terraces. Map: R28; Classification: B3. Significance: A series of at least two distinctive uplifted marine terraces - the largest and most distinctive set in the Wellington area.

Basin Reserve. Map: R27; Classification: C3. Significance: An easily interpreted uplifted remnant from the biggest earthquake to have hit Wellington in historic times (1855).

Battery Hill abandoned gravel bar. Map: R27; Classification: B2. Significance: One of the best examples in New Zealand of an early Holocene beach gravel bar formed during higher sea level times and having dammed a valley to form a freshwater pond and later swamp behind.

Belmont block field. Map: R27; Classification: C3. Significance: Autochthonous block field.

Belmont solifluction lobes. Map: R27; Classification: C3. Significance:

Big Hill earth pillars, rills and gullies. Map: S28; Classification: B3. Significance: A growing area of disturbance in which all sequential stages of erosion are present. The best area in New Zealand for these features.

Breaker Bay sea arch. Map: R27; Classification: C1. Significance: Small sea arch easily accessible and of aesthetic and educational value.

Cape Palliser pillow lavas. Map: S28; Classification: C3. Significance: Well exposed pillow lava sequence.

Carterton Fault, Blairlogie Road trace. Map: T26; Classification: C3. Significance: Late Quaternary trace of the Carterton Fault showing 7.6-15.2 m RL displacement.

Castlepoint coastal features. Map: U26; Classification: B3. Significance: One of the most well-known, most complex and well-documented landforms on the New Zealand coast.

Castlepoint marine terrace. Map: U26; Classification: C3. Significance:

Castlepoint Pleistocene sediments. Map: U26; Classification: B3. Significance: Important fossil content, recording change in climate conditions during Ice Ages.

Colonial Knob uplifted peneplain. Map: R27; Classification: C3. Significance: Kaukau erosion surface remnant.

Dry River Fault, White Rock Road scarp. Map: S27; Classification: C3. Significance: Fault line scarp and axis of NW plunging shallow syncline. Harris Ridge uplifted along fault (NW side up) exposing late Pleistocene Ahiaruhi Fmn. Huangarua syncline occupies depression to E of fault (underlain by Plio- Pleistocene Greycliffs and Mangaopuri Fmns.

Eparaimu uplifted marine benches, Palliser Bay. Map: S28; Classification: C3. Significance: Example of well preserved sequence of 4 marine benches of late Quaternary age and folded into NE trending synclines and anticlines. Synclines are actively deepening by 0.5-2.2 mmy and anticlines uplifting by 0.75-4.0 mmy. Grid reference centred on area where benches are well preserved, and general area of late Quaternary folding.

Evans Bay faultslump scarp. Map: R27; Classification: C3. Significance: Primary andor secondary tectonic feature. Deformation of early Holocene sediments and formation of a scarp feature (E side up) from either seismically induced slumping and sediment compaction along an inactive Pliocene faultshear zone, or reactivation of the fault in the Holocene.

Fitzroy Bay marine caves. Map: R27; Classification: C2. Significance: The best of a number of examples in Fitzroy Bay of marine cut caves uplifted in 1855, thus recording the former position of the shoreline and level. They are adjacent to the formed track and easily visible, therefore they are of particular values for educational purposes.

Galatea Mine gold. Map: R27; Classification: C3. Significance: Good examples of visible gold.

Glenburn dike. Map: T28; Classification: C3. Significance: Well exposed, "classic" dike.

Glenburn tilted marine benches. Map: T27; Classification: B3. Significance: One of the best and most easily accessible examples of well-preserved Holocene marine benches along the southeastern Wairarapa coast. Southern limit of the only known example of active folding in New Zealand (Whareama Syncline).

Government Life Insurance building. Map: R27; Classification: B1. Significance: One of the largest and best examples of the use of Coromandel Tonalite in a building.

Hadfield Rd abandoned sea cliffs. Map: R26; Classification: C3. Significance: An abandoned sea cliff marking the post glacial high sea level.

Haurangi Hairpin Plio-Pleistocene limestone. Map: S28; Classification: B3. Significance: Pliocene-Pleistocene sequence of limestone.

Haurangi Hairpin karst, SE Wairarapa. Map: S28; Classification: C3. Significance: Only known limestone pavement in the southern Wairarapa region. Sinkholes are sporadic in the wider Haurangi-Ruakokoputuna-Makara area.

Haywards Hill Pleistocene kauri pollen locality. Map: R27; Classification: C2. Significance: Quaternary lacustrine sediment with kauri showing evidence of temperate montane conditions in Wellington 300,000+ years ago.

Hikurangi Margin thrusts. Map: NA; Classification: B3. Significance: Major basin ridge fault of 9 at the Hikurangi Subduction Zone. A major seaward facing fault scarp (>500 m high) dividing underthrusting Pacific plate cover sediments from highly contorted Australasian plate sediments. Can be traced for over 120 km on NE trend. General Hikurangi Margin area has en echelon thrusts and folds.

Hill Road block fields. Map: R27; Classification: C3. Significance: Allochthonous block fields.

Honeycomb Rock unusual weathering pattern. Map: T28; Classification: C1. Significance: One of the most spectacular and most easily accessible examples of honeycomb weathering along the Wairarapa coast.

Howard Road fossil gully. Map: R27; Classification: C3. Significance: A good example of a fossil gully.

Huangarua Fault. Map: S27; Classification: C3. Significance: Scarp of the Huangarua Fault (splinter of the Dry River Fault) displacing c.10000 year Ohakean terraces. The fault passes into an asymmetric anticline to NE, and terraces of unknown age (>Ohakean, <Porewan) displaced close to Huangarua.

Huangarua River cyclothems. Map: S27; Classification: B3. Significance: Well exposed cyclothem, one of the earliest cyclothems ever recognised in the world. Type section on Huangarua cyclothem.

Huangarua Syncline flexural slip faults. Map: S27; Classification: B3. Significance: Very clear example of late Quaternary flexural slip faulting on steep NW limb of Huangarua Syncline, adjacent to Huangarua Fault. Exposure of unconformity at the base of Te Muna Formation offset by flexural slip faulting of up to 20-40 m SE side up. Faulting has not offset Waiohine Surface (Huangarua Fault offsets this surface by 6 m, NE side up).

Hutt Motorway landslide. Map: R27; Classification: C3. Significance: Largest landslide in Wellington caused by the 1855 Wairarapa earthquake.

Hutt River alluvial terraces. Map: R27; Classification: C3. Significance: A good sequence of alluvial terraces.

Island Bay lawsonite. Map: R27; Classification: B3. Significance: The only reported occurrence of lawsonite in the Torlesse greywackes of the Wellington Peninsula.

Island Bay prehnite-pumpellyite facies. Map: R27; Classification: C3. Significance: Example of prehnite-pumpellyite facies metamorphism; perfectly exposed pillow lava melange.

Kaiwhata River mouth fossil forest and Miocene flysch sequence. Map: T27; Classification: B3. Significance: Unique drowned fossil totara forest. Excellent sedimentary structures in flysch sequence.

Kaiwhata Stream sills. Map: T27; Classification: C2. Significance: Well-studied sills; key part of Ngahape Complex.

Kapiti Island beach ridges. Map: R25; Classification: C2. Significance: One of least disturbed Holocene uplifted beach deposits in the region.

Kapiti Island phyllonite. Map: R26; Classification: C3. Significance: An excellent example of phyllonite developed by intense cataclastic metamorphism.

Kapiti Island uplifted sea caves. Map: R26; Classification: C3. Significance: Small uplifted sea caves, evidence of uplift during earthquake about 1460 AD.

Kerosene Bluff black shale. Map: U26; Classification: C2. Significance: Good, easily accessible exposure of rare Waipawa Black Shale with smell of kerosene.

Kilbirnie tombolo. Map: R27; Classification: B3. Significance: One of the largest tombolos in New Zealand, largest south of Mahia Peninsula.

Kourarau freshwater fossils. Map: T27; Classification: C1. Significance: One of just a few examples of young freshwater sediment deposits containing rich freshwater mollusc and ostracod fossils.

Kupe's Sail sandstone slab. Map: S28; Classification: C2. Significance: A huge resistant slab of sandstone is exposed on the coastal cliff in a sail-like shape.

Lake Kohangapiripiri raised beach, lake and wetland, Wellington. Map: R27; Classification: B2. Significance: One of the two best known examples of raised beach ridges that occupy the mouth of a former inlet of the sea and are lined with marine-derived features such as caves, beach ridges, wave cut platforms and sea stacks.

Lake Kohangatera raised beach, lake and wetland, Wellington. Map: R28; Classification: B2. Significance: One of the two best known examples of raised beach ridges that occupy the mouth of a former inlet of the sea and are lined with marine-derived features such as caves, beach ridges, wave cut platforms and sea stacks.

Lake Onoke barrier-enclosed alternating brackish lake and intertidal lagoon. Map: R28; Classification: B3. Significance: Only lake in the North Island that naturally alternates between being a closed brackish lake and an open tidal lagoon with no gravel barrier across the opening. The barrier separating the inlet from the sea is a mixed sand and gravel barrier beach – a mix that is unusual world-wide. The largely unmodified, shallow coastal lake and gravel barrier system is one of the largest and most outstanding of its kind in New Zealand..

Lake Pounui gravel-dammed lake. Map: R27; Classification: C3. Significance: Best example in Wellington Region of existing lake formed by the damming of a small valley by a beach gravel barrier from an early Holocene high sea level period.

Lake Wairarapa sand dunes. Map: S27; Classification: C2. Significance: Distinctive sand dune areas often with intervening interdune ponds that give character to the otherwise flat landscape and define several former eastern shores of Lake Wairarapa as it progressively became smaller.

Leper Island sea arch. Map: R27; Classification: C2. Significance: Small sea arch of historical significance as home to Chinese "leper".

MacKays Crossing abandoned sea cliff, Kapiti Coast. Map: R26; Classification: C3. Significance: Scarp formed by the post-glacial sea when it reached its maximum line of transgression. A well-defined landform of educational nad scientific value.

Makara Pliocene sedimentary outlier. Map: R27; Classification: B2. Significance: Best exposure of the only outcrop of Pliocene age on Wellington greywacke, with sedimentary features indicating a provenance not obtainable elsewhere in Wellington area for same age.

Mana Island uplifted peneplain surface. Map: R26; Classification: C3. Significance: Kaukau erosion surface remnant.

Mangaopari Miocene-Pleistocene paleomagnetic section. Map: S27; Classification: A3. Significance: One of the standard paleomagnetic sections for the world, closely tied to the biostratigraphy. Diverse bathyal molluscs of Tongaporutuan age.

Marble Arch, Pukerua Bay. Map: R26; Classification: C2. Significance: Small uplifted sea arch of educational value.

Masterton Fault (Waingawa Fault). Map: S26; Classification: C2. Significance: Late Quaternary trace of the Masterton Fault and associated graben feature. Swampy area NNW of the freezing works is formed in a graben where the fault forms a minor branch. Vertical displacement is S side up in the W, and N side up in the E. Scarp height is c.4-5 m (typically N side up).

Mataikona climbing dunes, northern Wairarapa coast. Map: U25; Classification: C2. Significance: Most extensive area of few active dunes between Cape Turnagain and Cape Palliser. Climbing dunes are unusual in New Zealand, and their attaining a height of 200m above the beach is exceptional.

Mangapakeha gas vents and mud volcanoes. Map: T26; Classification: C1. Significance: Possibly the best example of a small mud volcano in the Wellington region. Associated with hydrocarbon vents.

McClouds Trig rock slump. Map: T26; Classification: B3. Significance: Earthquake triggered rock slump comprising multiple rotational blocks with flow features at the toe.

Moa Pt sea arch. Map: R27; Classification: C1. Significance: Small, easily accessible sea arch through greywacke point.

Mukamuka pillow breccia. Map: R28; Classification: C3. Significance: Possibly the best example of pillow breccia in basement of southern North Island.

National Carillon and Hall of Memories. Map: R27; Classification: C2. Significance: Easily accessible examples of the use of a wide variety of NZ stone.

National Museum. Map: R27; Classification: B1. Significance: Largest and most important surviving building made of Putaruru Ignimbrite.

Ngapotiki alluvial fan. Map: S28; Classification: C3. Significance: A large (500 m x 300 m) alluvial fan.

Ohariu Fault (previously Kakaho Fault), Kakaho Valley, Pauatahanui. Map: R26; Classification: C3. Significance: Late Quaternary right lateral displacement of ridges, alluvial fans and terraces along the Ohariu Fault. 1 m recent vertical displacement (W side up) on fault and displacement rate of 0.06 mmyr over last 18000 years. Offset streams show 17.6 m RL displacement, giving rate of 1-1.8 mmyr. Larger 250 m displacements up valley indicate longer term progressive displacement. No activity on this section of fault in last 1650 years.

Ohariu Fault, Muaupoko Valley. Map: R26; Classification: C3. Significance: Recent trace of the Ohariu Fault. Displaced terrace and ?tectonic bulges.

Ohariu Fault, Ohariu Valley Road. Map: R27; Classification: C2. Significance: Recent 2-3 m high scarp formed around 200 years ago by rupturing along the Ohariu Fault. Displacement W side up.

Okupe Lagoon uplifted lagoon. Map: R26; Classification: C2. Significance: One of the best sites for studies of late Holocene tectonic uplift in the Wellington region. One of few saline lagoons in New Zealand above sea level.

Old Parliament buildings and foyer. Map: R27; Classification: B2. Significance: Largest and most important building made of Nelson Marble.

Orongorongo River uplifted marine terraces. Map: R28; Classification: C3. Significance: Well preserved sequence of uplifted marine terraces, reaching 431 m asl and 250-300000 year age.

Otaihanga Oligocene sedimentary outlier. Map: R26; Classification: C2. Significance: Only locality where Oligocene sedimentary environments can be determined in the Wellington area including East Coast to Wanganui.

Otaki beach ridges. Map: R25; Classification: C3. Significance: Localised gravel beach ridges demonstrating the influence of coarse sediment supplied by the Otaki River compared with the rivers further north. Coarse material affects the degree of dune development down the coast.

Otaki Forks Triassic Monotis fossils. Map: S26; Classification: C3. Significance: Regionally important for the presence of Monotis-bearing localities in generally unfossiliferous Torlesse greywackes.

Paekakariki rockfall. Map: R26; Classification: C3. Significance:

Pahaoa River mouth coastal features. Map: T28; Classification: C3. Significance: Unusual setting for a reef, at an acute angle to the coastline and partly connected to the mainland by sand in a series of mini tombolos. Pahaoa Inlet is one of the largest estuaries on the Wairarapa coast.

Palliser Bay Miocene transgressive sequence and diverse macrofauna. Map: S28; Classification: B2. Significance: Excellent area to teach elementary geological mapping and stratigraphic principles. Most diverse late Miocene macrofauna in New Zealand.

Palliser Bay PlioPleistocene section. Map: S28; Classification: C3. Significance: Diverse Nukumaruan bathyal molluscan fauna.

Paraparaumu cuspate foreland. Map: R26; Classification: B3. Significance: By far the largest and most prominent cuspate foreland in New Zealand.

Pauatahanui Inlet, Porirua Harbour. Map: R26; Classification: C3. Significance: Largest relatively unmodified estuary and largest salt marsh in the lower North Island. Unusual for Wellington region because the eastern part especially is thought to have been little affected by the regional tectonic uplift.

Public Trust building, Wellington. Map: R27; Classification: B2. Significance: Only known surviving building made of a true NZ granite.

Pukemuri Stream uplifted marine benches. Map: S28; Classification: B2. Significance: Well preserved sequence of 7 uplifted Holocene marine terraces that record uplift history of Wairarapa coast. 3540 year date for terrace 5. Most well preserved sequence of this section of coast.

Pukerua Fault, Pukerua Bay area. Map: R26; Classification: C3. Significance: Sites of late Quaternary displacements along the Pukerua Fault. Displacement rates of 1.1 mmy RL and 0.14 mmy vertical (E side up). This vertical motion is in opposite sense to long term W side up motion. Features comprise scarps, offset ridges and springs.

Putangirua Pinnacles. Map: S28; Classification: B2. Significance: The best area in New Zealand of badlands erosion and earth pillar formation, a spectacular tourist attraction.

Quartz Hill uplifted peneplain. Map: R27; Classification: C3. Significance: Kaukau erosion surface remnant. Largest relatively uneroded peneplain remnant in the Wellington region.

Radiata Grove red weathered site, Wellington. Map: R27; Classification: C3. Significance: Outcrops indicate periodic episodes of much warmer conditions during the Quaternary than at present, and associated with the Mangaroa (Rangitawa Ash) dated at about 0.35 ka.

Red Rocks Permo-Triassic terranes, pillow lavas and thrusts. Map: R27; Classification: B1. Significance: Well exposed, easily accessible, educational section with diversity of lithologies - chert, argillite and pillow lava. Best exposed and most accessible of the pillow lavas in the Torlesse in the southern North Island. Evidence of imbrication in the Torlesse terrane.

Rock Point Triassic worm tube fossils. Map: R27; Classification: B2. Significance: Type locality of Titahia corrugata, found together with Torlessia (both worm tubes) in Torlesse greywackes.

Ruakokopatuna Gorge, Martinborough. Map: S27; Classification: C3. Significance: Spectacular narrow gorge in limestone, about 1 km long.

Shepards Gully Fault - 1. Map: Q27; Classification: C3. Significance: Largest RL offset on the Shepherds Gully Fault of 400 m, from offset of deeply incised streams.

Shepards Gully Fault - 2. Map: Q27; Classification: C3. Significance: Late Quaternary displacements along the Shepherds Gully Fault. Record of Holocene displacements at site of c.3.5-4 m RL and 0.4 m vertical (NW side up).

Somes Island uplifted marine terraces. Map: R27; Classification: C3. Significance: A series of marine terraces relating to former sea levels.

Somes Island sea arch. Map: R27; Classification: C2. Significance: Small, easily visible sea arch

South Waiohine fault bulge. Map: S26; Classification: B2. Significance: Excellent, easily viewed example of a bulge produced by a jog displacement on a major active fault.

Sunnyside Miocene conglomerate. Map: S27; Classification: C3. Significance: Basal beds in widespread late Miocene transgression (equivalent in part to Hurupi Formation)

Taputeranga Island shore platform, Island Bay. Map: R25; Classification: C2. Significance: An excellent unmodified example of a wide shore platform that was uplifted above sea level during the 1855 Wairarapa Earthquake. Easily viewed from adjacent mainland.

Te Horo abandoned sea cliff. Map: R25; Classification: C3. Significance: An abandoned sea cliff representing the time of maximum post-glacial sea level.

Te Kaukau Point Paleocene Amuri Group sediments. Map: S28; Classification: C3. Significance: Well exposed sedimentary sequence of the Amuri Group in the Wairarapa region.

Te Ramaroa alluvial fan, MacKays Crossing, Kapiti Coast. Map: R26; Classification: C3. Significance: A small, very well defined, example of a landform with obvious educational and scientific value.

Terawhiti gold mining sites. Map: Q27; Classification: C2. Significance: A good example of gold mineralisation in greywacke. One of the few sites of extensive gold prospecting in the lower half of the North Island.

Terawhiti Hill, Black Gully uplifted marine terraces. Map: Q27; Classification: C3. Significance: Sequence of 7 raised marine benches that record uplift history of SW Wellington coast. This site is monitored for precise strain measurements by the Earth Deformation Section, Institute of Geological and Nuclear Sciences Ltd (New Zealand Geological Survey).

Tinui taipo. Map: T26; Classification: C3. Significance: Prominent ridge dominating the view from Tinui and the road; composed of resistant Miocene sandstone.

Titahi Bay Pleistocene fossil forest. Map: R27; Classification: C2. Significance: Remains of forest from last interglacial period.

Titahi Bay Triassic flysch. Map: R27; Classification: C3. Significance: Good exposure of turbidite sequence in Wellington area, site of University undergraduate field trips.

Tongue Point uplifted marine terraces. Map: Q27; Classification: B3. Significance: Sequence of 3 main uplifted marine benches that agewise span much of the Late Quaternary (240000-10000 years). Highest dissected terrace remnants c.133 m.

Tora beach ridges, Wairarapa coast. Map: S28; Classification: C3. Significance: One of the best examples of beach ridges along the Wairarapa coast.

Turakirae Head uplifted beach ridges. Map: R28; Classification: A1. Significance: Best preserved example of raised beach ridges on the Wellington coast. 5 raised ridges are preserved, recording earthquake events including and pre-dating the 1855 and 1460 events. Ridges lie at 25.5, 22.5, 16.5, 7.5 and 3 m asl.

Uruti Point dune system and uplifted tilted terraces. Map: T27; Classification: B3. Significance: One of the most impressive series of Holocene terraces and one of the largest dune systems on Wairarapa coast. The southern section, the Homewood coastal plains, is the only broad coastal platform in the Wairarapa that lies immediately adjacent to the coast. The westerly tilt of the terraces along this section of coast is positioned in the middle portion of the only known example of active folding in New Zealand (Whareama Syncline).

Uruti Point Miocene flysch. Map: T27; Classification: C3. Significance: Well-exposed example of Miocene thin-bedded flysch with excellent sedimentary features and a tight fold.

Waikanae Fault (Ohariu Fault?). Map: R26; Classification: C5. Significance: Good example of displaced terraces.

Wairaka Pt sea arch. Map: R26; Classification: C2. Significance: Small sea arch of aesthetic and educational value.

Wairarapa boninite. Map: T27; Classification: A1. Significance: The only boninite location at the present continental margin of southeast North Island.

Wairau (Alpine) Fault, Cook Strait trace. Map: R26; Classification: C3. Significance: Steep large W facing scarp with associated deformed bedding and sub vertical fault zone.

Ward Island uplifted terraces, Wellington Harbour. Map: R27; Classification: C3. Significance: A series of marine terraces relating to tectonic uplift.

Wallaceville Quaternary swamp. Map: R27; Classification: C2. Significance: Quaternary-last glaciation and post-glacial vegetation of Wellington is preserved.

Wellington Fault, Harbour trace. Map: R27; Classification: C2. Significance: Recent 2 m scarp (SE side up) along the Wellington Fault. Trace is curved over it's distance. Disrupts soft harbour sediments. Sediments bury it to the NE. Possible fault aquifer detected landward of fault scarp.

Wellington Fault, Harcourt Park faulted terraces. Map: R27; Classification: C2. Significance: Accessible example of progressive displacement of late Quaternary terraces with maximum of 38.3 m horizontal (RL) offset and 2.4-4.6 m vertical (N side up) on the Wellington fault. Additional fault exposure in the river.

Wellington Fault, Long Gully. Map: R27; Classification: C3. Significance: Late Quaternary trace of the Wellington Fault. The recent scarp shows 4.5 m vertical offset (N side up), with at least 2 movements contributing to displacement (stepped scarp).

Wellington Fault, Pitarua Street. Map: R27; Classification: C1. Significance: Late Quaternary scarp of the Wellington Fault - most well preserved example of the fault in Wellington city.

Wellington Fault, Te Kopahou, displaced spurs. Map: R27; Classification: C3. Significance: Clear example of displaced spurs or shutter ridges on the N (upthrown) side of the Wellington Fault. 70-90 m RL slip recorded.

West Wairarapa Fault - Cross Creek horst dam. Map: S27; Classification: C1. Significance: An exceptional example of a narrow upfaulted horst along the fault trace with a sag pond behind. Easily seen from adjacent Cross Creek Rd.

West Wairarapa Fault, 1855 scarp. Map: S27; Classification: B2. Significance: Trace of 1855 displacement on the Wairarapa Fault.

West Wairarapa Fault, Burlings Stream. Map: S27; Classification: C3. Significance: Spectacular fresh ridge rent feature, probably relating to 1855 earthquake.

West Wairarapa Fault, Waingawa River faulted terraces. Map: S26; Classification: C3. Significance: Largest horizontal displacement of 378 m RL on the Wairarapa Fault.

West Wairarapa Fault, Waiohine River faulted terraces. Map: S26; Classification: A2. Significance: Example of progressive displacement of late Quaternary alluvial terraces along the Wairarapa Fault. Largest displacement is on the 15000 year highest terrace with 118.5 m RL and 18.5 m vertical (W side up). Scarp becomes increasingly more pronounced with larger offsets on the oldest terraces. Significant displacement during the 1855 earthquake (1.5m vertical and 12.2 m horizontal.

Whakataki Miocene flysch shore platform. Map: U26; Classification: C3. Significance: Excellent exposures of flysch with well-preserved sedimentary structures exposed on unusual ‘tongue in groove’ shore platform.

Whareroa dune fields. Map: R26; Classification: C3. Significance:

Whatarangi Bluff Miocene sandstone. Map: S28; Classification: C2. Significance: Prominent bluff of fossiliferous muddy sandstone.

White Rock Amuri Limestone. Map: S28; Classification: C3. Significance: Remnant of the Amuri Group limestone in the Wairarapa which has been deformed by fault movement. Tilted limestone forms an unusual reef jutting out from coastline.

William Street uplifted beach ridge, Petone. Map: R27; Classification: C1. Significance: Example of late Quaternary uplift in Wellington region.