Kohuora

Kohuora, located in the suburb of Papatoetoe,[1] is one of the volcanoes in the Auckland volcanic field in the North Island of New Zealand.

Kohuora
Kohuora Explosion Crater in 2009
Highest point
Coordinates36.97873°S 174.842691°E / -36.97873; 174.842691
Geography
LocationNorth Island, New Zealand
Geology
Volcanic arc/beltAuckland volcanic field

Geology and geography

The Kohuora complex is a freshwater wetland found in a tuff ring, that has an explosion crater around 600 metres wide and 30 metres deep. Kohuora erupted an estimated 34 million years ago,[2] and the irregular V-shape of the complex indicated that there were at least three explosion crater vents.[3] Peat and lacustrine deposits layer on top of the volcanic soil of the Kohuora.[3]

The Kohuora wetland is an important habitat for native bird and plant species, including Carex subdola, a sedge rare in the Auckland area.[3]

History

The volcano, alongside Māngere Lagoon, Waitomokia, Crater Hill, Pukaki Lagoon and Robertson Hill, is one of the volcanic features collectively referred to as Nga Tapuwae a Mataoho ("The Sacred Footprints of Mataoho"), referring to the deity in Tāmaki Māori myths who was involved in their creation.[4][5] The name Kohuora means "mists of life", and the volcano is occasionally referred to as Kohuaroa ("The cauldron of life").[3]

References
  1. "Under the volcanoes". m.nzherald.co.nz. Retrieved 7 December 2015.
  2. Hopkins, Jenni L.; Smid, Elaine R.; Eccles, Jennifer D.; Hayes, Josh L.; Hayward, Bruce W.; McGee, Lucy E.; van Wijk, Kasper; Wilson, Thomas M.; Cronin, Shane J.; Leonard, Graham S.; Lindsay, Jan M.; Németh, Karoly; Smith, Ian E. M. (3 July 2021). "Auckland Volcanic Field magmatism, volcanism, and hazard: a review". New Zealand Journal of Geology and Geophysics. 64 (2–3): 213–234. doi:10.1080/00288306.2020.1736102. S2CID 216443777.
  3. "Papatoetoe Heritage Trail" (PDF). Ōtara-Papatoetoe Local Board. 2013. Retrieved 31 March 2023.
  4. "The History of Our Marae". Makaurau Marae. Retrieved 1 September 2021.
  5. Simmons, D. R. (1979). "George Graham's Maori Place Names of Auckland". Records of the Auckland Institute and Museum. 16: 11–39. ISSN 0067-0464. JSTOR 42906272. Wikidata Q58677091.

Bibliography
  • City of Volcanoes: A geology of Auckland - Searle, Ernest J.; revised by Mayhill, R.D.; Longman Paul, 1981. First published 1964. ISBN 0-582-71784-1.
  • "Volcanoes of Auckland: The essential guide." - Bruce Hayward, Graeme Murdoch, Gordon Maitland; Auckland University Press, 2011.
  • Volcanoes of Auckland: A Field Guide. Hayward, B.W.; Auckland University Press, 2019, 335 pp. ISBN 0-582-71784-1.
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