 | | 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...range of relatively potassic volcanic rocks is also developed in the Province. The degree of undersaturation...intrusives in the Province, assessed in conjunction with similar data from other volcanic provinces, demonstrate...production of phonolite from trachyte in the East Otago Province has not been demonstrated. The mafic variants |  | | 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) | | of Earth and Space Sciences, State University of New York, Stony Brook, N.Y. 11794 U.S.A. Abstract. Eighteen...Island, Antarc- tica consisting of basanitoid, trachybasalt and phonolite have been analyzed for rare earth...basanitoid melt is the parent which differentiates to trachybasalt upon separation of olivine, clinopyroxene, spinel...anorthoclase, plagioclase and apatite separate from a trachybasalt melt, a mafic phonolite results. If, however...te sequence that is part of the Cenozoic volcanic province extending from Mount Weaver to the Balleny |  | | | | 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::~. |  | | Book (volume) | | 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::~. |  | | Journal (article/letter/editorial) | | Composition of Alkaline Rocks: New Data from Southern Portugal and East Africa N.M.S. Rock Department...the normal manner of the alkali basalt-trachyte volcanic suite. "Carbonatitic" suites consist of more strongly...claimed as a reasonable representation of the volcano. Rocks have been chosen from the remaining complexes...1974) and also to the plutonic series of the Oslo Province. The petrology of the mass has been described...Sousa (1926). It intrudes carboniferous pelites. The East African Rift contains a great many young or recent |  | 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) | | 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...pantellerites, and comendites are a major part of the province. They occur in 18 shield volcanoes, some of which...largest volcano in the Cascade Range (Christiansen, 1990). Most felsic compositions in the province are found...ne-mugearite cone on the caldera rim of a comendite volcano. Similarly, in the chain as a whole, phonolitic |  | Sharygin, V.V., Kóthay, K., Szabó, Cs., Timina, T.Ju., Török, K., Vapnik, Ye., Kuzmin, D.V. (2011) Rhönite in alkali basalts: silicate melt inclusions in olivine phenocrysts. Russian Geology and Geophysics, 52 (11) 1334-1352 doi:10.1016/j.rgg.2011.10.006 | Journal (article/letter/editorial) | | phenocrysts from alkali basalts of six different volcanic regions: Udokan Plateau, North Minusa Depression...(Russia), Bakony-Balaton Highland, NógrádGömör Region (Hungary) and Makhtesh Ramon (Israel). Rhönite-bearing...occurrences and origins Association Genesis Locality/region Reference Miaskitic alkaline Si-undersaturated... Japan Monkawa et al., 2003; Tomita, 1934 New Zealand Kyle and Price, 1975 Central France Babkine...phenocrysts from alkali basalts of six different volcanic fields from Russia, Hungary and Israel. Experimental |  | | Journal (article/letter/editorial) | | and Space Sciences,State University of New York at Stony Brook, New York 11794 Abstract. Primary basanitoids...Antarctica sponsored by the United States, Japan and New Zealand. Schwarzer and Rogers (1974) show in a study...of years and now occur as deep mantle plumes. Volcanic rocks at Ross Island consist of a basanitoid-...e sequence which is part of the Cenozoic volcanic province extending from Mt. Weaver to the Balleny Islands...parallel to the Transantarctic Mountains. This volcanic province is characterized by silica-undersaturated |  | | Journal (article/letter/editorial) | | in Marlborough, New Zealand: Implications for the Long-lived HIMU Magmatic Mega-province of the SW Pacific...WELLINGTON, NEW ZEALAND 2 NATIONAL ISOTOPE CENTRE, GNS SCIENCE, PO BOX 31312, LOWER HUTT 5040, NEW ZEALAND...RESEARCH, PRIVATE BAG 14901, WELLINGTON 6041, NEW ZEALAND RECEIVED MAY 22, 2009; ACCEPTED JULY 27, 2010...HIMU-like mantle signature in the SW Pacific (e.g. New Zealand, Australia and Antarctica) have been erupted...the oldest samples of this HIMU magmatic mega-province and are remnants of extensive mid-Cretaceous (98 |  | Brenna, Marco, Nakada, Setsuya, Miura, Daisuke, Toshida, Kiyoshi, Ito, Hisatoshi, Hokanishi, Natsumi, Nakai, Shun’ichi (2015) A trachyte–syenite core within a basaltic nest: filtering of primitive injections by a multi-stage magma plumbing system (Oki-Dōzen, south-west Japan) Contributions to Mineralogy and Petrology, 170 (2) doi:10.1007/s00410-015-1181-0 | Journal (article/letter/editorial) | | is a Late Miocene (7–5 Ma) intraplate alkalic volcano composed of a central trachytic pyroclastic complex...that was intruded into the basement early Miocene volcano-sedimentary succession. In the centre of the system...and petrological data from the central trachytic volcanic complex and the intrusive syenite body, as well...basaltic succession. We also present and discuss a new set of zircon U/Pb ages collected from the central...assimilation occurred in crustal and shallow sub-volcanic magma reservoirs. In the central part of the system |  | LEGENDRE, C., MAURY, R. C., CAROFF, M., GUILLOU, H., COTTEN, J., CHAUVEL, C., BOLLINGER, C., HÉMOND, C., GUILLE, G., BLAIS, S., ROSSI, P., SAVANIER, D. (2005) Origin of Exceptionally Abundant Phonolites on Ua Pou Island (Marquesas, French Polynesia): Partial Melting of Basanites Followed by Crustal Contamination. Journal of Petrology, 46 (9) 1925-1962 doi:10.1093/petrology/egi043 | Journal (article/letter/editorial) | | Marquesas archipelago Four Neogene–Quaternary volcanic island chains occur in French Polynesia. From...Fig. 1. Geological sketch of Ua Pou. along the East Pacific Rise. This feature suggests that the emplacement...lack of any at present well-identified active volcanic zone at its southeastern edge; that is, close...Poumaka 979 m, Poutetainui 970 m). The Ua Pou volcanic edifice is made up of a thick lava pile, mostly...basaltic flows, which occur in a very restricted area east of Hakahau, where they are exposed at present in |  | | Journal (article/letter/editorial) | | geochemistry of the volcanic deposits. Various flank eruptions of the Las Cañadas volcano associated with...del Sur are important volcanic units for understanding the explosive volcanic cycles during the Pleistocene...779 Ma and 0.323–0.300 Ma. These units define volcanic cycles ending in violent Plinian eruptions. The...unit possibly marks the beginning of a further volcanic cycle that started c. 0.095 Ma ago. Keywords:...elevation of 3718 m (Pico de Teide). The oldest volcanic rocks exposed on Tenerife are the remnants of |  | | Journal (article/letter/editorial) | | Intraplate Basalts in the South Auckland Volcanic Field, New Zealand: Evidence for Two Coeval Magma Suites...HAMILTON, NEW ZEALAND 2 DEPARTMENT OF GEOLOGY, UNIVERSITY OF AUCKLAND, PRIVATE BAG 92019, AUCKLAND, NEW ZEALAND...PUBLICATION NOVEMBER 26, 2004 The South Auckland Volcanic Field is a Pleistocene (159– 051 Ma) basaltic...monogenetic field situated south of Auckland City, North Island, New Zealand. Two groups of basalts are distinguished...or earlier subduction- and The South Auckland Volcanic Field is one of a number of Pliocene to Recent |  | | Journal (article/letter/editorial) | | lherzolite xenolith (Bri3) from Mont Briançon volcano, French Massif Central. As Bri3 contains only 100...5.4% are nepheline normative and plot in the trachybasalt to trachyandesite fields. In detail, comparison...grid corresponds to the chemical classification of volcanic rocks, with the main fields of interest labeled...Trachyandesite; (5) Basaltic trachyandesite; (6) Trachybasalt; (7) Basalt; (8) Basaltic andesite. (For interpretation...(V) basalts (see Fig. 4 for the nomenclature of volcanic rocks). chyandesite melt for a source with 2000 |  | | Book | | the United States with John Wiley & Sons, Inc., New York Longman Scientific & Technical, Longman Group...with John Wiley & Sons, Inc., 605 Third Avenue, New York, NY 10158 © Longman Group UK Limited 1987 All...Dr J S Myers for fig 49 from fig 7 (Myers 1975); New York State Museum and Science Service for fig 350...(1981). There are two reasons for examining recent volcanic activity before turn¬ ing to the igneous rocks...provinces are more difficult. Secondly, recent volcanic rocks are obvi¬ ously magmatic, whereas ancient |  | Wiesmaier, S., Troll, V. R., Carracedo, J. C., Ellam, R. M., Bindeman, I., Wolff, J. A. (2012) Bimodality of Lavas in the Teide-Pico Viejo Succession in Tenerife--the Role of Crustal Melting in the Origin of Recent Phonolites. Journal of Petrology, 53 (12) 2465-2495 doi:10.1093/petrology/egs056 | Journal (article/letter/editorial) | | RANKINE AVENUE, SCOTTISH ENTERPRISE TECHNOLOGY PARK, EAST KILBRIDE G75 0QF, UK 6 DEPARTMENT OF GEOLOGICAL...stratigraphic constraints has since been much improved by new radiometric dating (Carracedo et al., 2007). Systematic...investigations of the compositional bimodality of the volcanic products [the ‘Bunsen^Daly Gap’, after Bunsen...compositions of the erupted material. For example, in the east African Gregory Rift Valley the eruption of Miocene...Islands are the surface expression of a 750 km long volcanic belt that is located off Morocco (Fig. 1; see |  | | Report (issue) | | (Bottom) Carbonatite lava at Oldoinyo Lengai volcano, northern Tanzania. Courtesy Alexander J. Teague...in NE Africa—New data from lower-crustal and mantle xenoliths from the Bayuda volcanic field, Sudan ...Evolution of the lithospheric mantle beneath the East African Rift in Tanzania and its potential signatures...of alkaline lava series, Kilimanjaro, Tanzania: New constraints on petrogenetic processes . . . . . ...and natrocarbonatite lavas at Oldoinyo Lengai volcano, Tanzania. . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | and Ali-Abad porphyry copper deposits, Taft-Yazd Province, Central Iran B. TAGHIPOUR AND I. NOORBEHESHT...Beheshty University Northern parts of Isfahan province are included into well known Cenozoic Magmatic...Belt of Central Iran. There is extensive Eocene volcanic events. Field observation indicated that, the...of fresh and altered volcanics are determined. Volcanic rocks with chemical composition andesite to trachy-...component from the enstatite chondrite forming region has been suggested previously [e.g. 5]. Our observations |  | | Book (volume) | | 379-4634) India Affiliated East-West Press PVT Ltd G-1/16 Ansari Road New Delhi 110 002 India (Orders:...been many improved and new techniques for investigating minerals, producing a new body of data and often...temperatures and pressures at which they were formed. New techniques have greatly extended the ranges of temperature...moreover as discrete entities, has given rise to the new biopyribole minerals, and these are treated separately...the first edition of Rock Forming Minerals, three new minerals from the Laytonville Quarry, California |  | | Book (volume) | | olivine-plagioclase orthocumulate, Skaergaard intrusion, east Greenland. Crossed polars x60. A. B. Pigeonite...Halsted Press, a Division of John Wiley & Sons, Inc. New York First Edition © W. A. Deer, R. A. Howie and... Preface to Second Edition For this completely new edition of 'Rock-Forming Minerals' we have maintained...in mineralogy, have lead to the fact that in this new edition the average number of pages devoted to each...Contributions to Mineralogy & Petrology; Springer-Verlag, New York Inc. for diagram fron1 Electron Microscropy |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Dana’s New| Mineralogy | Eighth Edition Richard V. Gaines H. Catherine W. Skinner Eugene E. Foord Brian...Mason Abraham Rosenzweig i DANA’S NEW MINERALOGY DANA’S NEW MINERALOGY The System of Mineralogy...ROCHESTER, NEW YORK And with Illustrations by ERIC DOWTY SHAPE SOFTWARE JOHN WILEY & SONS, INC. NEW YORK...Department, John Wiley & Sons, Inc., 605 Third Avenue, New York, NY 10158-0012. This publication is designed...ation Data Dana, James Dwight, 1813-1895 Dana’s new mineralogy: the System of mineralogy of James Dwight |
|
