New eruptive vents for the Whakamaru Ignimbrite (Taupo Volcanic Zone) identified from magnetic fabric study

References

• Borradaile , G. J. and Tarling , D. H. 1981 . The influence of deformation mechanisms on magnetic fabric in weakly deformed rocks . Tectonophysics , 77 : 151 – 168 .
   Google Scholar
• Briggs , N. D. 1976 . Welding and crystallisation zonation in Whakamaru Ignimbrite, central North Island, New Zealand . New Zealand journal of geology and geophysics , 19 : 189 – 212 .
   Web of Science ®Google Scholar
• Cole , J. W. 1979 . Structure, petrology, and genesis of Cenozoic volcanism, Taupo Volcanic Zone, New Zealand—a review . New Zealand journal of geology and geophysics , 22 : 631 – 657 .
   Web of Science ®Google Scholar
• Collinson , D. W. 1983 . Methods in magnetism and paleomagnetism , 503 London : Chapman and Hall .
   Google Scholar
• Ellwood , B. B. 1982 . Estimates of flow direction for calc‐alkaline welded tuffs and palaeomagnetic data reliability from anisotropy of magnetic susceptibility measurements: Central San Juan Mountains, Southwest Colorado . Earth and planetary science letters , 59 : 303 – 314 .
   Google Scholar
• Ellwood , B. B. , Hrouda , F. and Wagner , J. J. 1988 . Symposia on magnetic fabrics: introductory comments . Physics of the earth and planetary interiors , 51 : 249 – 252 .
   Google Scholar
• Elston , W. E. and Smith , E. I. 1970 . Determination of flow direction of rhyolitic ash flow‐tuff from fluidal textures . Geological Society of America bulletin , 81 : 3393 – 3406 .
   Google Scholar
• Froggatt , P. C. , Wilson , C. J. N. and Walker , G. P. L. 1981 . Orientation of logs in the Taupo Ignimbrite as an indicator of flow direction and vent position . Geology , 9 : 109 – 111 .
   Web of Science ®Google Scholar
• Froggatt , P. C. , Nelson , C. S. , Griggs , G. B. and Black , K. P. 1985 . An exceptionally large late Quaternary eruption from New Zealand . Nature , 319 : 578 – 582 .
   Google Scholar
• Hatherton , T. 1954 . The magnetic properties of the Whakamaru Ignimbrite . New Zealand journal of science and technology , 35B : 421 – 432 .
   Google Scholar
• Hillhouse , J. W. and Wells , R. E. 1991 . Magnetic fabric, flow direcitons, and source area of the lower Miocene Peach Springs tuffs in Arizona, California and Nevada . Journal of geophysical reasearch , 96 (B7) : 12443 – 12460 .
   Web of Science ®Google Scholar
• Houghton , B. R. , Lloyd , E. F. , Wilson , C. J. and Lanphere , M. A. 1991 . K‐Ar ages from the Western Dome Belt and associated rhyolitic lavas in the Maroa‐Taupo area, Taupo Volcanic Zone, New Zealand . New Zealand journal of geology and geophysics , 34 : 99 – 101 .
   Web of Science ®Google Scholar
• Hrouda , F. 1980 . Magnetocrystalline anisotropy of rocks and massives ores: a mathematical model study and its fabric implications . Journal of structural geology , 2 : 459 – 462 .
   Google Scholar
• Hrouda , F. 1982 . Magnetic anisotropy of rocks and its application in geology and geophysics . Geophysical surveys , 5 : 37 – 82 .
   Web of Science ®Google Scholar
• Jelinek , V. 1978 . Statistical processing of anisotropy of magnetic susceptibility measured on groups of specimen . Studia en geophysica et geodetica , 22 : 50 – 62 .
   Web of Science ®Google Scholar
• Knight , M. D. and Walker , G. P. L. 1988 . Magma flow directions in dikes of Koolau complex, Ohau, determined from magnetic fabric studies . Journal of geophysical research , 93 : 4301 – 4319 .
   Google Scholar
• Knight , M. D. , Walker , G. P. L. , Ellwood , B. B. and Diehl , J. F. 1986 . Stratigraphy, paleomagnetic, and magnetic fabric of the Toba Tuffs: Constraints on the source and eruptive styles . Journal of geophysical research , 91 : 10 355 – 10 382 .
   Web of Science ®Google Scholar
• Kohn , B. P. , Pillans , B. and McGlone , M. S. 1992 . Zircon fission track age for the middle Pleistocene Rangitawa Tephra, New Zealand: stratigraphic and paleoclimatic significance . Paleogeography, paleoclimatology, paleoecology , 95 : 73 – 94 .
   Web of Science ®Google Scholar
• Lamarche , G. 1987 . Analyse microstructurale et fabrique magnetique. L'exemple des calcshistes et des flyschs de la zone dauphinoise (Alpes frangaise) , 165 These de l'Universite de Grenoble .
   Google Scholar
• Lamarche , G. and Rochette , P. 1987 . Microstructural analysis and origin of lineations in the magnetic fabric of some Alpine slates . Tectonophysics , 139 : 285 – 293 .
   Google Scholar
• Lowrie , W. and Heller , F. 1982 . Magnetic properties of marine limestones . Reviews of geophysics and space physics , 20 : 171 – 192 .
   Google Scholar
• MacDonald , W. D. and Palmer , H. C. 1990 . Flow directions in ash‐flow tuffs: a comparison of geological and magnetic measurements, Tsirege member (upper Bandelier Tuff), Valles caldera, New Mexico, USA . Bulletin of volcanology , 53 : 45 – 59 .
   Google Scholar
• Martin , R. C. 1965 . Lithology and eruptive history of the Whakamaru Ignimbrites in the Maraetai area of the Taupo Volcanic Zone, New Zealand . New Zealand journal of geology and geophysics , 8 : 680 – 701 .
   Google Scholar
• Rochette , P. and Lamarche , G. 1986 . Evolution des proprietes magnétiques lors des transformations minérales dans les roches. Example du Jurassique dauphinois (Alpes franchises) . Bulletin minéralogique. , 109 : 687 – 696 .
   Google Scholar
• Rochette , P. , Jackson , M. and Aubourg , C. 1992 . Rock magnetism and the interpretation of anisotroy of magnetic susceptibility . Reviews of geophysics , 30 (3) : 209 – 226 .
   Web of Science ®Google Scholar
• Stupavsky , M. 1985 . SI‐2 magnetic susceptibility and anisotropy instrument operating manual and handbook , 130 Ruthven, Ontario, , Canada : Sapphire Instruments .
   Google Scholar
• Suzuki , K and Ui , T. 1982 . Grain orientation and depositional ramps as flow direction indicators of a large‐scale pyroclastic flow deposit in Japan . Geology , 10 : 429 – 432 .
   Google Scholar
• Varga , R. J. 1983 . A statistical study of phenocryst orientation fabrics in a dacitic ignimbrite . Journal of volcanology and geothermal research , 19 : 37 – 43 .
   Google Scholar
• Wilson , C. J. N. , Rogan , A. M. , Smith , I. E. M. , Northey , D. J. , Nairn , I. A. and Houghton , B. F. 1984 . Caldera volcanoes of the Taupo Volcanic Zone, New Zealand . Journal of geophysical research , 89 : 8463 – 8484 .
   Web of Science ®Google Scholar
• Wilson , C. J. N. , Houghton , B. F. and Lloyd , E. F. 1986 . Volcanic history and evolution of the Maroa‐Taupo area, central North Island . Royal Society of New Zealand bulletin , 23 : 195 – 223 .
   Google Scholar