• Thumbnail for Hauraki Rift
    The Hauraki Rift is an active NeS-to NWeSE-striking rift valley system in the North Island of New Zealand that has produced the Firth of Thames and the...
    8 KB (707 words) - 05:46, 12 April 2024
  • Thumbnail for Hauraki Plains
    The Hauraki Plains are a geographical area located in the northern North Island of New Zealand, at the lower (northern) end of the Thames Valley. They...
    22 KB (2,838 words) - 06:25, 4 October 2024
  • Thumbnail for Waikato Plains
    the region of the current Lake Karapiro, and exiting near Thames in the Hauraki Gulf leaving drainage of the basin to the Waipa River which has not always...
    9 KB (1,047 words) - 06:55, 13 April 2024
  • Thumbnail for Graben
    Graben (category Rifts and grabens)
    Hauraki Gulf and Hauraki Plains of Hauraki Rift (Hauraki half grabens), North Island, New Zealand Tikitere Graben within the Taupo Rift, North Island, New...
    8 KB (851 words) - 04:33, 5 November 2024
  • Thumbnail for Hauraki Fault
    The Hauraki Fault is a normal fault at the North Island of New Zealand. It is along the eastern side of the still tectonically active Hauraki Rift which...
    5 KB (243 words) - 05:46, 12 April 2024
  • Thumbnail for Coromandel Volcanic Zone
    active period of the Hauraki Rift. The Coromandel Volcanic Zone is generally older than the currently still active Hauraki and Taupō Rifts. This has implications...
    14 KB (1,406 words) - 01:35, 12 October 2024
  • Thumbnail for Zealandia
    Coromandel and Taupo Volcanic Zones. Associated rifting and subsidence has produced the Hauraki Rift and more recently, the Whakatane Graben and Wanganui...
    18 KB (2,900 words) - 13:12, 10 November 2024
  • Thumbnail for Geology of Zealandia
    Coromandel and Taupo Volcanic Zones. Associated rifting and subsidence has produced the Hauraki Rift and more recently, the Whakatane Graben and Wanganui...
    13 KB (1,301 words) - 00:41, 8 January 2024
  • Thumbnail for Firth of Thames Fault
    Firth of Thames Fault (category Hauraki District)
    hinge fault along the western side of the still tectonically active Hauraki Rift which could have a length up to 220 km (140 mi) and fairly likely 150 km...
    5 KB (322 words) - 05:46, 12 April 2024
  • Thumbnail for Kerepehi Fault
    Kerepehi Fault (category Hauraki District)
    Island of New Zealand aligned with the Hauraki rift valley that produced the Firth of Thames and the Hauraki Plains. The Kerepehi Fault has a maximum...
    9 KB (744 words) - 05:46, 12 April 2024
  • Fault is additionally part of the Hauraki Rift, a rift that extends from the Taupo Rift all the way up towards the Hauraki Gulf. It was rated as VI–VII on...
    7 KB (599 words) - 09:48, 16 November 2024
  • Thumbnail for Rotorua Caldera
    has been assigned by some as the outer western fault of the modern Taupō Rift although most think this is further to the east. Understanding that there...
    14 KB (1,131 words) - 20:57, 21 September 2024
  • Thumbnail for Firth of Thames
    Firth of Thames (category Rifts and grabens)
    Auckland. It occupies a rift valley or graben between the Coromandel Peninsula and Hunua Ranges, which continues into the Hauraki Plains to the south. The...
    6 KB (382 words) - 04:47, 8 November 2024
  • Drury Fault and the Firth of Thames Fault. Further, the adjacency of the Hauraki Rift to Auckland means that the active Kerepehi Fault with its risk of magnitude...
    17 KB (1,743 words) - 06:43, 13 April 2024
  • Thumbnail for Taupō Rift
    Taupō Rift is the seismically active rift valley containing the Taupō Volcanic Zone, central North Island of New Zealand. The Taupō Rift (Taupo Rift) is...
    19 KB (1,562 words) - 01:53, 26 August 2024
  • Thumbnail for Taupō Volcanic Zone
    Taupō Volcanic Zone (category Rift volcanoes)
    rifting axis associated with the Central Volcanic Region has moved with time, from the back-arc associated Hauraki Rift to the intra-arc Taupō Rift....
    108 KB (6,918 words) - 01:35, 12 October 2024
  • North Island surface volcanism (category Rift volcanoes)
    located on the far side of the Hauraki Rift and have ages of about 1.8 million years. The Hauraki Rift intercepts the Taupō Rift creating the most active area...
    27 KB (2,943 words) - 19:46, 23 November 2024
  • Thumbnail for Geology of New Zealand
    Taranaki, stretching the Bay of Plenty, and producing the Hauraki Rift (Hauraki Plains and Hauraki Gulf) and Taupō Volcanic Zone. The East Coast of the South...
    52 KB (6,130 words) - 16:29, 27 October 2024
  • Thumbnail for Wairoa North Fault
    the Hauraki Rift to its east. These include the presumed inactive Hauraki Fault and Firth of Thames Fault. The active Kerepehi Fault intra-rift fault...
    8 KB (569 words) - 07:49, 13 April 2024
  • Basin, and Hauraki Rift as now found in the Hauraki Plains. The predominant pattern was an ancestral Waikato River that drained the Taupo Rift through the...
    30 KB (3,016 words) - 10:08, 7 October 2024
  • Thumbnail for Ngatutura volcanic field
    fields in an intraplate back arc relationship with the still active Hauraki Rift and the presently dormant Auckland volcanic field. The other volcanic...
    21 KB (537 words) - 14:04, 21 September 2024
  • Kaihere (category Hauraki District)
    with cobbles of greywacke, in a poorly cemented bed of pumice silt. The Hauraki rift probably started about 3 million years ago. Subsidence now is about 1...
    14 KB (753 words) - 23:05, 15 June 2022
  • Thumbnail for Mangakino caldera complex
    Mangakino caldera complex (category Rift volcanoes)
    currently most active portion of the Taupō Rift. To its north the transition between the north-western Taupō Rift and the Coromandel Volcanic Zone via the...
    14 KB (1,099 words) - 13:34, 21 September 2024
  • Thumbnail for Whakamaru Caldera
    Whakamaru Caldera (category Rift volcanoes)
    volcanism: An undervalued component of large igneous provinces and volcanic rifted margins" (PDF). Geological Society of America (Special Paper 362). Retrieved...
    15 KB (1,297 words) - 01:24, 22 September 2024
  • Thumbnail for Horohoro Fault
    The Horohoro Fault is in the old Taupō Rift of the central North Island of New Zealand and is associated with the spectacular Horohoro Cliffs. Just south...
    7 KB (534 words) - 11:25, 17 November 2024
  • Thumbnail for Omanawa Caldera
    Omanawa Caldera (category Rift volcanoes)
    be compatible with activity in the area of intersection of Taupo Rift and Hauraki Rift before 1.9 million years ago. The area of the caldera is covered...
    4 KB (418 words) - 06:49, 13 April 2024
  • Thumbnail for Ohakuri Caldera
    has been assigned by some as the outer western fault of the modern Taupō Rift although most think this is further to the east. Understanding that there...
    13 KB (1,124 words) - 22:07, 21 September 2024
  • Thumbnail for Geology of the Auckland Region
    Ranges. The Hauraki Plains and Hauraki Gulf represent a rift valley. The Coromandel Ranges used to be much closer to Auckland, and the rift valley is assumed...
    26 KB (3,362 words) - 03:06, 15 June 2024
  • Thumbnail for Maroa Caldera
    Maroa Caldera (category Rift volcanoes)
    Mangakino Caldera of the old Taupō Rift (yellow shading). Also shown is the modern Taupō Rift (red shading), Hauraki Rift (purple shading) and landmarks of...
    10 KB (555 words) - 22:00, 21 September 2024
  • These locations fit with the trend being related to the opening of the Hauraki Rift in the Miocene and/or fracturing of the lithosphere. At the same approximate...
    15 KB (1,239 words) - 06:43, 13 April 2024