The nature and age of ohakuri formation and ohakuri group rocks in surface exposures and geothermal drillhole sequences in the central taupo volcanic zone, New Zealand

New Zealand Journal of Geology and Geophysics

Volumn 49, Issue 3, 2006, Pages 305-308

  Gravley, D M ^a   Wilson, C J N ^a   Rosenberg, M D ^b   Leonard, G S ^b  

^a UNIVERSITY OF AUCKLAND   (New Zealand)

^b GNS SCIENCE   (New Zealand)

Author keywords

Geothermal drillholes; New stratigraphic names; Ohakuri Formation; Reporoa Group (new); Tahorakuri Formation (new); Taupo Volcanic Zone; Waikora Formation

Indexed keywords

BOREHOLE; CAP ROCK; CORE LOGGING; GRAYWACKE; IGNIMBRITE; LAVA FLOW; NOMENCLATURE; STRATIGRAPHY; VOLCANICLASTIC DEPOSIT;

AUSTRALASIA; NEW ZEALAND; NORTH ISLAND; TAUPO VOLCANIC ZONE;

EID: 33750407042     PISSN: 00288306     EISSN: 11758791     Source Type: Journal    
DOI: 10.1080/00288306.2006.9515169     Document Type: Article

References (17)

1. Bignall, G. Subsurface stratigraphy and structure of the Orakei-korako and Te Kopia geothermal systems, New Zealand. Proceedings of the 13th NZ Geothermal Workshop. Auckland, New Zealand. pp. 199–205. Geothermal Institute.
2. Cooper, RA, ed. 2004. The New Zealand geological timescale, Institute of Geological & Nuclear Sciences Monograph 22 1–284.
3. Gravley, DM. 2004. The Ohakuri pyroclastic deposits and the evolution of the Rotorua-Ohakuri volcanotectonic depression, Christch-urch, New Zealand:University of Canterbury. Unpublished PhD thesis
4. Gravley, DM, Wilson, CJN, Leonard, GS, and Cole, JW. 2006. Double trouble:paired ignimbrite eruptions and collateral subsidence in the Taupo Volcanic Zone, New Zealand. Geological Society of America Bulletin
5. Grindley, GW. 1959. “ Sheet N85—Waiotapu ”. In Geological map of New Zealand 1:63,360, Wellington, New Zealand:Department of Scientific and Industrial Research.
6. Grindley, GW. 1960. “ Sheet 8—Taupo ”. In Geological map of New Zealand 1:250,000, Wellington, New Zealand:Department of Scientific and Industrial Research.
7. Grindley, GW. 1961. “ Sheet N94—Taupo ”. In Geological map of New Zealand 1:63,360, Wellington, New Zealand:Department of Scientific and Industrial Research.
8. Grindley, GW. 1965. The geology, structure, and exploitation of the Wairakei geothermal field, Taupo, New Zealand. New Zealand Geological Survey Bulletin, 75:1–131.
9. Grindley, GW, and Browne, PRL. 1968. The subsurface geology of the Broadlands geothermal field. New Zealand Geological Survey Report, 34:1–41.
10. Grindley, GW, Mumme, TC, and Kohn, BP. 1994. Stratigraphy, paleomag-netism, geochronology and structure of silicic volcanic rocks, Waiotapu/Paeroa Range area, New Zealand. Geothermics, 23:473–499.
11. Healy, J, Schofield, JC, and Thompson, BN. 1964. “ Sheet 5—Rotorua ”. In Geological map of New Zealand 1:250,000, Wellington, New Zealand:Department of Scientific and Industrial Research.
12. Henneberger, RC, and Browne, PRL. 1988. Hydrothermal alteration and evolution of the Ohakuri hydrothermal system, Taupo Volcanic Zone, New Zealand. Journal of Volcanology and Geothermal Research, 34:211–231.
13. Houghton, BF, Wilson, CJN, McWilliams, M, Lanphere, MA, Weaver, SD, Briggs, RM, and Pringle, MS. 1995. Chronology and dynamics of a large silicic magmatic system:central Taupo Volcanic Zone, New Zealand. Geology, 23:13–16.
14. Leonard, GS. 2003. The evolution of Maroa Volcanic Centre, Christchurch, New Zealand:University of Canterbury. Unpublished PhD thesis
15. Martin, RC. 1961. Stratigraphy and structural outline of the Taupo Volcanic Zone. New Zealand Journal of Geology and Geophysics, 4:449–478.
16. Wilson, CJN, Houghton, BF, and Lloyd, EF. 1986. “ Volcanic history and evolution of the Maroa-Taupo area, central North Island ”. In Late Cenozoic volcanism in New Zealand, Royal Society of New Zealand Bulletin 23 Edited by:Smith, IEM. 194–223.
17. Wood, CP. Basement geology and structure of TVZ geothermal fields. Proceedings of the 18th NZ Geothermal Workshop. Auckland, New Zealand. pp. 157–162. Geothermal Institute.