 | | Journal (article/letter/editorial) | | Springer-Verlag 1973 The Geochemistry of the Dunedin Volcano : Strontium Isotope Chemistry R. C. Price Department...Department of Geology, University of Otago, Dunedin, New Zealand W. Compston Research School of Earth...of the Dunedin Volcano covering the range basalt, basanite, intermediate compositions, phonolite and quartz...0 m.y. Introduction The Dunedin Volcano of east Otago Province, New Zealand is composed of a succession...through intermediate compositions to trachyte and phonolite. We have examined the isotopic composition of |  | | Journal (article/letter/editorial) | | Petrology of Dunedin Volcano R.C. Price Department of Geology, University of Otago, Dunedin, New Zealand* B.W...that the range in rock types making up the Dunedin volcano has developed by crystal fractionation processes...variants on these series. The phonolitic rocks of the volcano are low pressure differentiates derived by fractional...outlined above. Quartz normative trachytes of the volcano appear to be differentiates from a distinct saturated...Introduction Age and History of the Volcanism The Dunedin Volcanics form a prominent massif about 30 km in |  | Hoernle, K., White, J.D.L., van den Bogaard, P., Hauff, F., Coombs, D.S., Werner, R., Timm, C., Garbe-Schönberg, D., Reay, A., Cooper, A.F. (2006) Cenozoic intraplate volcanism on New Zealand: Upwelling induced by lithospheric removal. Earth and Planetary Science Letters, 248 (1) 350-367 doi:10.1016/j.epsl.2006.06.001 | Journal (article/letter/editorial) | | com/locate/epsl Cenozoic intraplate volcanism on New Zealand: Upwelling induced by lithospheric removal K...Geology Department, University of Otago, PO Box 56, Dunedin 9015, New Zealand c Tethys Geoconsulting GmbH,...Auckland, Campbell and Antipodes Islands of New Zealand has produced quartz tholeiitic to basanitic/nephelinitic...differentiates) monogenetic volcanic fields and large shield volcanoes. New 40Ar/39Ar ages, combined with...restricted areas over long time periods, and a lack of volcanic age progressions in the direction and at the rate |  | | Journal (article/letter/editorial) | | 1973 The Geochemistry of the Dunedin Volcano, East Otago, New Zealand: Rare Earth Elements 1~. C. Price...Price Geology Department, University of Otago, Dunedin, New Zealand S. 1%. T a y l o r Geophysics and Geochemistry...Abstract. A variety of alkaline lavas from the Dunedin Volcano have been analyzed for the rare earth elements...trachyandesitc and ncpheline benmoreite; trachytc; phonolite. The series from basalt to mngearite shows continuous...d i n Volcano of E a s t Otago, New Zealand, is a d e e p l y dissected, comp o s i t e volcano of U p |  | | Journal (article/letter/editorial) | | phonolitic lavas from Nigeria, Australia, East Germany and New Zealand ANTHONYJ. IRVING* tunar and Planetary...from Bokkos (Nigeria), Phonolite Hill (northeastern Australia) and Heldbmg (East Germany) is consistent...benmoreite from Pigroot (New Zealand) to basanitic lavas of the East Otago province is not supported by major...possibly the product of melting of a mantle source region previously enriched in Sr and light rare earth...MACDONALD THERE IS considerable evidence that volcanic rocks and KATSURA,1964, p. 99; NICHOLLS and LORENZ |  | Scott, J. M., Hodgkinson, A., Palin, J. M., Waight, T. E., Van der Meer, Q. H. A., Cooper, A. F. (2014) Ancient melt depletion overprinted by young carbonatitic metasomatism in the New Zealand lithospheric mantle. Contributions to Mineralogy and Petrology, 167 (1) doi:10.1007/s00410-014-0963-0 | Journal (article/letter/editorial) | | overprinted by young carbonatitic metasomatism in the New Zealand lithospheric mantle J. M. Scott • A. Hodgkinson...from a cluster of Miocene volcanoes in southern New Zealand preserve evidence of the complex evolution of...Department of Geology, University of Otago, Leith St, Dunedin 9054, New Zealand e-mail: james.scott@otago.ac...clustered Miocene volcanoes in the South Island of New Zealand (Fig. 1). We assess the nature of the metasomatism...have been built. The intraplate Dunedin Volcanic Group in East Otago is composed of two members: the |  | | Journal (article/letter/editorial) | | in Undersaturated Volcanic Rocks from the East Otago Volcanic Province (New Zealand) and Related Rocks...petrology of the East Otago Volcanic Province (late Miocene), including the Dunedin Complex, is dominated...trachyte and phonolite. A range of relatively potassic volcanic rocks is also developed in the Province. The...intrusives in the Province, assessed in conjunction with similar data from other volcanic provinces, demonstrate...unequivocal production of phonolite from trachyte in the East Otago Province has not been demonstrated |  | | Journal (article/letter/editorial) | | WESTLAND, NEW ZEALAND Alan F. COOPER§ and Lorraine A. PATERSON Geology Department, University of Otago, P.O...O. Box 56, Dunedin, New Zealand Abstract A late Oligocene – early Miocene alkali lamprophyre dyke swarm...swarm was emplaced in western South Island, New Zealand, during transtensional development of the Alpine...MREE-enriched pattern. Keywords: lamprophyre, phonolite, carbonatite, Ba–Sr–REE carbonates, FOZO component...component, liquid immiscibility, South Island, New Zealand. Sommaire Un essaim de filons de lamprophyres |  | | Journal (article/letter/editorial) | | mixing in the Puy Griou/Griounot area of the Cantal volcano (10 3 Ma). Petrographic evidence for injection...Transfer of phenocrysts between basic inclusions and phonolite hosts was common, and can be seen clearly in the...that, unlike most other fractionated magmas of the region, phonolites which show evidence for magma mixing...responsible for some of the variability observed in volcanic and plutonic rocks. Application of fluid dynamic...has been considered to be the trigger for major volcanic eruptions. Field, petrological and geochemical |  | | Journal (article/letter/editorial) | | Western Otago, New Zealand by A. F. COOPER Department of Geology, University of Otago, Dunedin, New Zealand...part of a lamprophyre dyke swarm from West Otago, New Zealand comprises monchiquites and camptonites. Dykes...Terrane in South Westland and western Otago, South Island, New Zealand (Fig. 1). The swarm extends from the...FIG. 1. Locality map of the Alpine dyke swarm. New Zealand. Locations of dykes discussed in this repon are...May 12, 2015 A OCELLAR LAMPROPHYRES FROM NEW ZEALAND 141 FIG. 2. OU 27518.* Holocrystalline lamprophyre |  | | Journal (article/letter/editorial) | | com/locate/gca Petrogenesis of Cenozoic, alkalic volcanic lineages at Mount Morning, West Antarctica and...Department of Geology, University of Otago, P.O. Box 56, Dunedin, New Zealand b Science and Engineering, University...University of Waikato, Hamilton, New Zealand Received 21 July 2012; accepted in revised form 20 August...available online 30 August 2013 Abstract Two volcanic lineages are identified at Mount Morning, a Cenozoic...West Antarctica, which is part of the McMurdo Volcanic Group. Both the older (at least 18.7–11.4 Ma) |  | | Journal (article/letter/editorial) | | Alkalic Lavas of the McMurdo Volcanic Group, Antarctica,andDunedinVolcano'New Zealand Pmlrp R. Kvlr, Departmentof...N ew Zealand tNo Rlculnn C. PnIcn' Departmentof Geology,Uniuersityof Otago, Dunedin.New Zealand Abstract...Occurrences Point Peninsula,Antarctica) and Dunedin Volcano (New Zealand).Electron microprobe analysesincreasethe...Antarcticexamples having higher TiOr, and the Dunedin examplehigherNarO than other terrestrialrhiinites'...McMurdo in the occurrence reported first is the Volcanic Grouf and also in Antarctica. In the southern |  | | Journal (article/letter/editorial) | | 94:461-471 9 Springer-Verlag 1986 Petrology of volcanic rocks from Kaula Island, Hawaii Implications for... Abstract. A compositionally diverse suite of volcanic rocks, including tholeiites, phonolites, basanites...previously, had only been reported in the Honolulu volcanic rocks) and the similar age of the Kaula basanite...accidental fragments of light gray (phonolite) and dark gray (basalt) volcanic rocks, coralline material, coarse-grained...geochronological data on the distinctive, accidental volcanic blocks recovered from Kaula Island and to compare |  | | Journal (article/letter/editorial) | | NarFel+Fel+SiuO20, a new member of the aenigmatitegroup from the Warrumbungle Yolcano, New South Wales, Australia...cr Wilkinsonite, ideally NarFel+Fel+Si.Oro,is a new member of the aenigmatitegroup. Its principal known...rsaturatedtrachyte from the Wamrmbungle Volcano, central New South Wales, Australia. A complete solid-solution...a relatively common constituent of peralkaline volcanic and plutonic rocks and, through the advent of...silica-undersaturatedtrachytesfrom the Warrumbungle Volcano, central New South Wales,Australia. In particular, a |  | | Journal (article/letter/editorial) | | Geochemistry of phonolites and trachytes from the summit region of Mt. Kenya R.C. Price 1, R.W. Johnson 2, C.M...set of samples from the summit region of the Plio-Pleistocene volcano, Mr. Kenya. Most of the samples...presents data for a suite of samples from the summit region of Mt. Kenya. The suite covers a range of phonolitic...summit of 5,200 m is a central volcano located to the east of the East African Rift (Fig. 1). "~~ L...O~orgesailie Fig. 1. Mt. Kenya, the Gregory Rift, and the East African Rift System. Pliocene central volcanoes |  | | Journal (article/letter/editorial) | | paragenesis in pyroxenite xenoliths, Mount Sidley volcano, Marie Byrd Land, West Antarctica R. H. GRAPES1...pyroxenite xenoliths erupted in phonolite from the Mount Sidley composite volcano, Marie Byrd Land, Antarctica...below the volcanic edifice. K EY WORDS : rhonöte, pyroxenite xenoliths, Mount Sidney, volcano, Antarctica...xenoliths from Mount Sidley, Marie Byrd Land volcanic province, Antarctica, are compared with published data...Facility of Victoria University of Wellington, New Zealand. Operating conditions followed full ZAF corrections |  | | Report (issue) | | NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH NEW ZEALAND GEOLOGICAL SURVEY 125th ANNIVERSARY...1865 -1990 NEW ZEALAND GEOLOGICAL SURVEY BULLETIN 104 ISSN 0077-9628 Minerals of New Zealand by G. L....initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium, • terrace...rocka, particularly greywacke Young (Cenozoic) volcanic rocks, including 4. modern volcanoes 5. s 9...9 Iii ■ t Old (Mesozoic and Paleozoic) volcanic rocks Schist Gneiss and granulite 20 6 Figure |  | | Journal (article/letter/editorial) | | elements (Ti. Zr, Y, Nb, Ce, Ga and So) in fresh volcanic rocks cam be used to clses/fy the differentiation...variation diagrams may be used to distinguish common volcanic rock types in terms of the above elementL As these...y used t o classify fresh or slightly altered volcanic r o ck s all use d e m e n t s k n o w n t o be...reliably utilized t o i dent i fy and classify volcanic rocks which have been m e t a m o r p h o s e...chemical means o f discriminating d i f f e r e n t volcanic r o c k t y p e s and magma series which m a y |  | | Journal (article/letter/editorial) | | Mineralogy and Geochemistry of a Basanite to Phonolite Sequence at Hut Point Peninsula, Antarctica, based...alternating Ne-mugearite and Ne-benmoreite flows. Phonolite stratigraphically overlies the drill site. Primary...basanite-Ne-hawaiite-Ne-mugeariteNe-benmoreite-phonolite, termed the DVDP lava lineage. Differentiation...75 per cent of the evolution from basanite to phonolite occurs in the initial step from basanite to Ne-hawaiite...which represents a 43 per cent residual. The phonolite is only a 25 per cent residual from a basanite |  | | Journal (article/letter/editorial) | | comparable extent. For example, the lavas of Karisimbi, East Africa, show a range of compositions reflecting...responsible for diversity in the composition of alkalic volcanic and hypabassal rock suites. Introduction Despite...the late Quaternary cinder cones of the andesite volcano Colima (Luhr and Carmichael 1981), two leucite...(SSC-[I, 2]) series of lavas from the Lake Rudolf region (Brown and Carmichael 1969, 1971), a basalt glass...andesite from the floor of the caldera of the Colima volcanic complex (COL-11/10; Luhr and Carmichael 1980) |  | | Journal (article/letter/editorial) | | Geology and petrology of the McMurdo Volcanic Group at Rainbow Ridge, Brown Peninsula, Antarctica PHILIP...of Geology, Victoria University, Wellington, New Zealand PETER C. RANKIN Soil Bureau, Department of Scientific...Lower Hütt, New Zealand ABSTRACT Strongly undersaturated rocks of the McMurdo Volcanic Group of late...alkalic volcanic rocks of late Cenozoic age in the McMurdo Sound area constitute the Erebus volcanic province...province of the McMurdo Volcanic Group (Kyle and Cole, 1974). The lavas range in composition from basanite |  | | Journal (article/letter/editorial) | | of Late Cenozoic alkaline lavas of the McMurdo Volcanic Group, Antarctica PHILIP R. KYLE* Departments...Victoria University of Wellington, Wellington, New Zealand and PETER C. RANKIN Soil Bureau, Department...Scientific and Industrial Research, Lower Hutt, New Zealand (Received 12 January 1976; accepted in revisedfirm...representative of four lava lineages of the McMurdo Volcanic Group, Antarctica. A kaersutite and two feldspar...basanite to nepheline benmoreite and a basanite to phonolite, have similar chondrite-normalized REE fractionation |  | | Journal (article/letter/editorial) | | 425 The iron-titanium oxides of some Dunedin (New Zealand) lavas, in relation to their palaeomagnetic...p a r t m e n t , U n i v e r s i t y of Otago, N e w Zealand 1 [Read 8 June 1967] Summary. Earlier palaeomagnetic...palaeomagnetic studies on the Dunedin volcano showed that a portion of the sequence is reversely or anomalously...operative, the reversely magnetized part of the Dunedin sequence was probably erupted during a reversed...phonolites f r o m the Mio-Pliocene D u n e d i n volcano v a r i e d w i t h respect to their position in |  | LeMasurier, Wesley E., Futa, Kiyoto, Hole, Malcolm, Kawachi, Yosuke (2003) Polybaric Evolution of Phonolite, Trachyte, and Rhyolite Volcanoes in Eastern Marie Byrd Land, Antarctica: Controls on Peralkalinity and Silica Saturation. International Geology Review, 45 (12) 1055-1099 doi:10.2747/0020-6814.45.12.1055 | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 Polybaric Evolution of Phonolite, Trachyte, and Rhyolite Volcanoes in Eastern Marie...Yosuke Kawachi (2003) Polybaric Evolution of Phonolite, Trachyte, and Rhyolite Volcanoes in Eastern Marie...All rights reserved. Polybaric Evolution of Phonolite, Trachyte, and Rhyolite Volcanoes in Eastern Marie...University of Otago, Dunedin, New Zealand2 Abstract In the Marie Byrd Land volcanic province, peralkaline...June 2016 Introduction THE LATE CENOZOIC volcanic province in Marie Byrd Land (MBL) lies on the Pacific |  | | | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Mayor I WodlO(O Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl...I . I SOUTH PACIFIC /ocEAN I I Chalmer,: OTAGO PENINSULA NEDIN ---- :aitangata Clvtho River...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~. |
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