Wanganui Region

Atene oxbow. Map: S21; Classification: B3. Significance: A very distinct cut-off meander.

Brunswick Quaternary marine terrace. Map: R22; Classification: B3. Significance: Type section of Brunswick marine terrace with easily accessible, well exposed sequence of cover beds with a mixture of lithologies.

Castlecliff prograding coastal plain. Map: R22; Classification: B3. Significance: One of only 2 sites in New Zealand, and one of only a few places in the world, where a human-influenced accreting zone involving the phenomenon of “bar switching” is being studied. Developed here during the past 100 years in response to the construction of the river mouth groynes.

Durie Hill War Memorial tower. Map: R22; Classification: B2. Significance: Best known example of a building made from Pliocene shelly limestone in New Zealand.

Galpin Fault. Map: S22; Classification: C3. Significance: Recent traces of the Galpin Fault. Displacement is in the normal sense and NW side up.

Girdlestone Peak. Map: T20; Classification: C3. Significance: Modern peak in summit region of Ruapehu, formed by Mangawhero Formation deposits.

Hauhungatahi volcano. Map: S20; Classification: C3. Significance: Deeply eroded volcano NW of Ruapehu.

Hautawa Road Pliocene fossils. Map: T22; Classification: B3. Significance: Diverse molluscan fauna. Holostratotype of Hautawan Substage of Nukumuruan.

Jerusalem Hot Springs. Map: R21; Classification: C2. Significance:

Kawaekaka landslide. Map: T22; Classification: B3. Significance: Complex landslide with slump flow.

Lake Virginia dune-dammed lake. Map: R22; Classification: C3. Significance: Best example of dune-dammed lake, 3-4 km inland from present coastline, NW of Wanganui City.

Landguard Bluff Pleistocene sequence. Map: R22; Classification: B3. Significance: Important Pleistocene fossiliferous sedimentary sequence.

Makatote Viaduct laharicfluvial section. Map: S20; Classification: B3. Significance: One of the few good sections through laharic and fluvial deposits of ring plain surrounding Ruapehu.

Manganuiateao River gorge. Map: S20; Classification: C3. Significance: Prominent river-cut gorge through laharic and fluvial deposits of Ruapehu ring plain.

Mangaroa Stream cut-off meander. Map: R18; Classification: C2. Significance: Highly visible, easily accessible, example of a recent meander cut-off; forming new off-cut lake and levee.

Mangaturuturu riverine allophane. Map: S20; Classification: C2. Significance: One of two known occurrences of allophane on Mt Ruapehu, forming glistening white rock surfaces in waterfall beside tourist track. One of only two recorded occurrences of riverine allophane in New Zealand.

Mangawhero Formation lavas, Whangaehu River. Map: T20; Classification: B3. Significance: Deeply eroded section through Mangawhero Formation lava flows, exposing their internal structure.

Meads Wall dike. Map: T20; Classification: B3. Significance: One of the north-trending dikes that radiate into proximal association of Te Herenga Formation.

Meads Wall Track autobrecciated lava. Map: T20; Classification: B3. Significance: Well-exposed example of autobrecciation in block lavas, also displays typical porphyritic texture of Ruapehu lavas.

Mitre Peak, Ruapehu. Map: T20; Classification: B3. Significance: Central facies of Wahianoa Formation.

Moawhango gorge. Map: T21; Classification: C3. Significance: An impressive gorge formed by rapid downcutting. The river is entrenched down to the greywacke basement, flowing west to east, it then forms an impressive gorge where the river abruptly changes direction to flow south through Tertiary sediments.

Moawhango-iti karst, Hihitahi Plateau. Map: T21; Classification: C3. Significance: Best example of extensive doline field formed in Tertiary limestone, rare for this region.

Mt Azim Gorge, Moawhango River. Map: T20; Classification: C3. Significance: The most spectacular river gorge in the Moawhango Ecological Region, a region delineated by its distinctive and diagnostic natural landforms.

Mt Jowett Pleistocene fossils. Map: R22; Classification: B3. Significance: Holostratotype of Terangian Stage.

Murimotu Formation debris avalanche. Map: S19; Classification: A3. Significance: Young debris avalanche deposit associated with sector collapse of Ruapehu volcano.

Murimotu Formation debris avalanche mound. Map: S19; Classification: A3. Significance: Best exposure through a mound within "debris or dry avalanche" deposit associated with sector collapse of Ruapehu volcano.

Nukumaru Beach to Castlecliff Beach coastal Plio-Pleistocene section. Map: R22; Classification: A3. Significance: Important Pliocene to Pleistocene fossiliferous sedimentary sequence. Cyclothems. This sequence preserves rapid depth changes caused by glacio-eustatic sea level changes. Potential world boundary stratotype for the lowermiddle Pleistocene boundary (at the BrunhesMatuyama boundary). Type sections of Castlecliffian and Nukumaruan Stages.

Nukumaru Fault Zone. Map: R22; Classification: C3. Significance: Late Quaternary displacement along the Nukumaru Fault Zone. Numerous fault scarps upthrown NW and SE side up (Dominantly NW side up). Site shows c.90 m scarp with c.4 m displacement as recent scarplet. Slip rate <0.1-0.1 mmy. Normal sense of displacement.

Ohakune craters. Map: S20; Classification: B3. Significance: Form one of several parasitic volcanic centres surrounding Ruapehu volcano.

Ohakune Lakes maar craters. Map: S20; Classification: B2. Significance: Southernmost volcanic centres in Central Volcanic Zone. Two well-preserved maar crater lakes surrounded by tuff rings.

Ohakune scoria cone. Map: S20; Classification: B3. Significance: Excellent near-radial section through upper 16 m of Ohakune scoria cone of Ohakune craters, one of several parasitic volcanic centres surrounding Ruapehu.

Ohakune scoria cone hematite. Map: S20; Classification: C3. Significance: A good example of a specular hematite location.

Ohakune tuff ring. Map: S20; Classification: B3. Significance: Best exposures of Ohakune tuff ring deposits of Ohakune craters, one of several parasitic volcanic centres surrounding Ruapehu.

Ohingaiti cut-off meander. Map: T22; Classification: B3. Significance: One of the most easily observed and clearest cut-off meanders in New Zealand - indicates high uplift rate.

Okupata Caves, Tongariro Forest. Map: S19; Classification: C2. Significance: Uncommercialised limestone caves popular with educational and outdoor groups.

Ongarue rail disaster site. Map: S18; Classification: B3. Significance: Site of NZ's worst landslide disaster, in terms of number of deaths.

Owhaoko Plateau. Map: U20; Classification: B3. Significance: Represents the maximum marine transgression in the late Miocene. An undeformed Miocene marine sequence, bounded to the east by the tectonically active Kaweka Ranges and Kaimanawas to the west. The Taupo eruption has controlled alluvial development. Contains the Ngamatea East Swamp - unique to the district.

Piave slumped conical hills. Map: T21; Classification: C2. Significance: Unusual landscape of grassed hillocks formed by erosion of a slump.

Pinnacle Ridge feeder dike. Map: T20; Classification: B3. Significance: Feeder dike associated with Pinnacle Ridge welded airfall tuff.

Pinnacle Ridge welded airfall tuff. Map: T20; Classification: B3. Significance: A welded airfall tuff unconformably mantling Te Herenga Formation on Pinnacle Ridge.

Pipiriki (Wairoa) Hot Springs. Map: R20; Classification: C2. Significance:

Pukemako Road ignimbrite section. Map: S17; Classification: B3. Significance: Thought to represent layer 3 deposits associated with Whakamaru Ignimbrite (s.s.).

Pyramid Peak. Map: T20; Classification: C3. Significance: Small cone belonging to Crater Lake Member of Whakapapa Formation.

Rangataua lava field. Map: S20; Classification: B3. Significance: Member of Whakapapa Formation, Ruapehu.

Rangipo Desert. Map: T20; Classification: B2. Significance: Best example of a laharic ring plain in New Zealand.

Rangitawa Stream Quaternary sediments. Map: S23; Classification: B2. Significance: Type section of Rangitawa Pumice and Rangitawa Fossil Beds with Pecten marwicki. Evidence for maximum warmth over last million years.

Rangitikei alluvial terraces. Map: S23; Classification: A3. Significance: The best example in New Zealand of terrace system.

Rangitikei gorge. Map: T21; Classification: B3. Significance: An impressive gorge occupying a 10-15 km stretch of the Rangitikei River. A good place to see stratifications and concretions.

Rangitikei River Plio-Pleistocene fossiliferous sediments. Map: S23; Classification: B3. Significance: One of the thickest Pleistocene sections in the world with diverse shell beds at intervals. Various shallow marine sedimentary processes displayed.

Raukawa Falls. Map: S21; Classification: C3. Significance: Spectacular waterfall over bedded sandstone next to road.

Rotokura maar craters. Map: S20; Classification: C2. Significance: Excellent examples still in native forest of two small maar explosion craters with lakes.

Ruapehu Crater Lake. Map: T20; Classification: A1. Significance: Only hot crater lake in a glacial setting, and site of historic phreatomagmatic and dome-building eruptions.

Ruapehu incipiently autobrecciated lava flows. Map: T20; Classification: B3. Significance: Document the beginning stages of autobrecciation in lava flows of Iwikau Member, Whakapapa Formation.

Ruapehu volcanic centre. Map: T20; Classification: A3. Significance: Second most active composite volcano in New Zealand with world class examples of many types of volcanic deposit and landform.

Saddle cone, Ruapehu. Map: T20; Classification: B3. Significance: Flank vent and associated lava field of Tama Member, Whakapapa Formation.

Santoft parabolic dunes. Map: S23; Classification: B2. Significance: Good example of extensive field of relict parabolic sand dunes and associated features.

South Beach sandspit, Wanganui. Map: R22; Classification: B2. Significance: One of only four substantial (> 500 m long), active, northward-protruding sandspits on the west coast of NZ (the others being at Kaipara South Head, Port Waikato and Farewell Spit).

Squires Creek opencast, Waitewhena Coalfield. Map: R18; Classification: B4. Significance: Only operating coal mine in the Taranaki Coal Region. No other special significance, except that North Island coal measures usually consist of thick nonmarine sequences, whereas this example is a thin nonmarine packet overlain and underlain by marine beds.

Tangiwai bridge rail disaster site. Map: T20; Classification: B2. Significance: Site of NZ's worst lahar - related disaster.

Taurewa Fault scarp. Map: S19; Classification: C3. Significance: One of the largest fault scarps ringing the composite volcanic cones of Tongariro National Park.

Tawhai Falls, Whakapapanui Stream. Map: S19; Classification: C3. Significance: Rugged waterfall over andesite lava flow. Tourist attraction.

Te Herenga Formation. Map: T20; Classification: B3. Significance: Well-exposed section through vent region of oldest exposed cone-building deposits of Ruapehu.

Te Herenga Formation vent association. Map: T20; Classification: B3. Significance: Outcrop of intrusive bodies showing primary lithologies, deformation, and hydrothermal alteration characteristic of volcanic vent regions.

Upper Wanganui Valley Oligocene limestone. Map: S19; Classification: B3. Significance: One of two southernmost outcrops of the Te Kuiti Group Limestone.

Waihohonu tephra section. Map: T20; Classification: B3. Significance: Exposure of some distal tephra deposits from Tongariro.

Waitaanga uplifted peneplain. Map: R18; Classification: C3. Significance:

Waitewhena coal mine, Ohura. Map: R18; Classification: C4. Significance: Coal measures with inner shelf marine transgressive deposits of several facies. Historic mine, representative of the Maryville Coal Measures, Mokau Coalfield.

Waitotara Fault. Map: R21; Classification: C3. Significance: Late Quaternary displacement along the Waitotara Fault- maximum scarp heights of 12 m (SE side up). Recent scarplets generally less than 2 m height. Slip rate <0.1 mmy, and normal sense of displacement inferred.

Wanganui River mouth pumice ventifacts. Map: R22; Classification: C2. Significance: Unusual occurrence of pumice ventifacts.

Whakapapa andesite flow structures. Map: T20; Classification: B3. Significance: Flow structures, an indicator of flow mechanisms in andesite.

Whakapapa lava field. Map: T20; Classification: A3. Significance: Voluminous lava field of Iwikau Member, Whakapapa Formation.

Whakapapanui Gorge section. Map: T20; Classification: B3. Significance: Exposure of Te Herenga proximal deposits, and the unconformable relations between Te Herenga and Whakapapa formations.

Whangaehu Gorge autobrecciated lava flows. Map: T20; Classification: A3. Significance: Reference section of Wahianoa Formation.

Whangaehu lahar fan. Map: T20; Classification: A3. Significance: Most youthful and active portion of Ruapehu ring plain.

Whitecliffs boulders, Rangitikei. Map: T22; Classification: C2. Significance: Hundreds of spectacular spherical concretions up to 2 m across, hidden in a small area of bush.

Wilsons Bluff Pleistocene fossils. Map: R22; Classification: C3. Significance: Only fossiliferous Ngarino Formation.