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| crustal extension in the D’Entrecasteaux region, Papua New Guinea - E. J . HILL’* A N D S. L. B A L D W I N...Australia ABSTRACT The D’Entrecasteaux Islands of eastern Papua New Guinea consist of a number of active metamorphic...extension and the formation of the D’Entrecasteaux Islands metamorphic core complexes. Key words: amphibolite...facies; continental extension; D’Entrecasteaux Islands; eclogite facies; metamorphic core complex. INTRODUCTION...been described from eastern Papua New Guinea in the D’Entrecasteaux Islands (Davies & Warren, 1988; Hill |
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| Springer-Verlag 1992 Eclogites of the D'Entrecasteaux Islands Hugh L. Davies ~ and R.G. Warren 2 1 Geology...Department, University of PNG, University PO, Papua New Guinea z Bureau of Mineral Resources, GPO Box 378...Abstract. Eclogitic rocks of the D'Entrecasteaux Islands, P a p u a New Guinea, are of three types: true eclogites...Setting The southeastern part of the island of New Guinea is a mountainous peninsula with peaks to 4000...extension (e.g. Davies and Jaques 1984). The D'Entrecasteaux Islands lie immediately northeast of the tip of |
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| granite. The grain size is variable, and albite or oligoclase rims on K-feldspar augen (10-40 mm long) are...the separate minerals and isotopic systems. 4. New U-Pb geochronology 4.1. Metagranites The two samples... from the southern Queen Elizabeth pluton and a new sample from near the northern termination of the...sutured boundaries, or zones of fine recrystallised, new grains with a granoblastic texture, undulose extinction...deformation. They consist of quartz+plagioclase (oligoclase)+Kfeldspar + minor biotite, muscovite and tourmaline |
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| .................................. Melange of islands of outer-arc ridge ........................ Deep-penetration...Malaya ................................ The Tin Islands .................................................Thailand ........................................... Islands between Malaya and Borneo .......................Arc Continued Outer-arc ridge Continued Small islands near Timor ........................................... Islands east of Timor ................................................. Eastern islands ...... |
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| Japan Volume 7A The Pacific Ocean PLENUM PRESS· NEW YORK AND LONDON Library of Congress Cataloging...001: 10.1007/978-1-4613-2351-8 ©1985 Plenum Press, New York Softcover reprint of the hardcover 1st edition...Plenum Publishing Corporation 233 Spring Street, New York, N.Y. 10013 All rights reserved No part of this...Lamont-Doherty Geological Observatory Palisades, New York E. Honza Geological Survey of Japan Ibaraki...Lamont-Doherty Geological Observatory Palisades, New York A. Macfarlane C. T. Shyu British Geological |
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| conditions. The purpose of this paper is: (1) to present new data as well as to summarize and correlate scattered...and geochemical cor relation (Mingram, 1996), a new subdivision of the dome has been introduced for a...parallel to a single folia tion plane as well as oligoclase (An 16 - 1 9 ). Although geothermobarometry is...instance, are the North Aegean Alpidic extensional province (Dinter et al., 1 9 9 5 ; Wawrzenitz and Krohe...metamorphic core complexes (D'Entrecasteaux Islands) in East ern New Guinea (Hill et al., 1992; Hill, |
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| grains (N 100's μm long) surrounded by mantles of new grains (10–30 μm in size) recrystallized by subgrain...“asymptotically” towards the “equilibrium” 2 ppm [Ti] shown by new quartz precipitated in pressure shadows. It is inferred...After the calibration of Wark and Watson (2006) new experiments have included the effect of pressure...deformed magmatic quartz, the shear zone contains new quartz precipitated from fluids in pressure shadows...pervasively sub-structured with subgrains grading into new smaller grains at their grain boundaries (forming |
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| model involving the systematic underplating of a new accretionary prism, coupled with erosion at the surface...coherent metamorphic terranes. We propose here a new model for the denudation of high-P/T metamorphic...belts according to their protolith, to propose a new exhumation model for their emplacement, to explain...Ma), are overlain tectonically by the 506Ma Bay of Islands ophiolite (Mattinson, 1975, 1976), with a metamorphic...strike, in Richmond, Quebec (Trzcienski, 1976), New Brunswick (Trzcienski et al., 1984; van Staal, 1987) |
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| 2000). The region is regarded as an extensional province, and provides a crustal section of metamorphic...low-temperature cooling/exhumation history. We also use these new data in the framework of the regional tectonics,...other metamorphic massifs in the Aegean provides new insights on the nature of crust-mantle interactions...conditions at decreasing temperatures. In brief, the new 39Ar/40Ar isochron age determinations of micas from... at the scale of the western Kazdağ Massif, the new and available data indicate existence of temporarily |
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| + 4, Mineral Fe # — of Australia and™ Papua New Guinea ... Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows an aerial view...the east coast of Lihir Island, New Ireland Province, Papua New Guinea. The Ladolam gold deposit lies...Resources Development Centre, Port Moresby, Papua New Guinea The Australasian Institute of Mining and...Mines — 1968 1968 and Papua New Ed. C.L. Knight 1974 1975 and Papua New Eds D.M. Traves and D. |
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| SCIENTIFIC PUBLISHING COMPANY AMSTERDAM - OXFORD - NEW YORK 1979 ELSEVIER SCIENTIFIC PUBLISHING COMPANY...ELSEVIER/NORTH-HOLLAND INC. 52, Vanderbilt Avenue New York, N.Y. 10017 Library of Congress Cataloging...termed as well calcic as the trondhjemite, oligoclase variety, and t h a t be termed trondhjemite...leucocratic, that the plagioclase is in the range oligoclase-andesine, that biotite is the typical dark phase...trondhjemite as leucotonalite whose plagioclase is oligoclase or andesine. This definition also specifies that |
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| With 109 Figures Springer-Verlag Berlin Heidelberg New York 1981 Professor JAMES B. GILL University of...which "solves the andesite problem" and even though new ideas and data keep the issues in a state of flux...sense I began this book in 1966 to 1968 when, as a new graduate student attending AGU meetings in Washington... By temperament VI Preface and age I prefer new explanations to conventional ones and therefore was...was confusion whether the andesites contained oligoclase, albite, or sanidine, in addition to the less |
 | Závada, Prokop, Štípská, Pavla, Hasalová, Pavlína, Racek, Martin, Jeřábek, Petr, Schulmann, Karel, Kylander-Clark, Andrew, Holder, Robert (2021) Monazite geochronology in melt-percolated UHP meta-granitoids: An example from the Erzgebirge continental subduction wedge, Bohemian Massif. Chemical Geology, 559. 119919pp. doi:10.1016/j.chemgeo.2020.119919 | Journal (article/letter/editorial) |
| Introduction re Keywords: monazite, Erzgebirge (U)HP province, REE, granulite, coesite, thorium Partial melting...by a polyphase fine-grained mixture of albite/oligoclase, quartz lP and K-feldspar grains. Garnet grains...crystallization in the D'Entrecasteaux Islands, southeastern Papua New Guinea. Earth and Planetary Science |
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| GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 i Cover photograph: Aerial...Mines Limited. ii GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 Edited...understanding of the mineral wealth of Australia and Papua New Guinea. v vi Committees MONOGRAPH 22 COMMITTEE...Mineral Industries Research Association Limited Papua New Guinea - Department of Mining and Petroleum Bureau...Department of Natural Resources and Environment New South Wales Department of Mineral Resources Western |
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| Ma：O Brien et al., 2001］，さらには新第三紀［パプアニューギニア（Papua New Guinea）7.1 ± 0.7–4.3 ± 0.3 Ma：Baldwin et al., 2004;...exhumation at plate tectonic rates in eastern Papua New Guinea. Nature, 431, 263–267. Banno, S., 1958, Glaucophane...spectra of carbonaceous material in metasediments; a new geothermometer. Jour. Metamorph. Geol., 20, 859–...pseudomorphs after coesite in eclogites from Shandong province, east China. Amer. Mineral., 75, 381–386. Endo...crystallization in the D'Entrecasteaux Islands, southeastern Papua New Guinea. Earth Planet. Sci. Lett |
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| Tuebingen and Yale Springer Berlin Heidelberg New York Barcelona Hong Kong London Milan Paris Singapore...3-540-67684-8 Springer-Verlag Berlin Heidelberg New York Cataloging-in-Publication data applied for Die...granite batholiths 1 John Cobbing. Berlin; Heidelberg; New York; Barcelona; Hongkong; London; Milan; Paris;...Copyright Law. Springer-Verlag Berlin Heidelberg New York a member of BertelsmannSpringer Science+Business...enclaves with dark margins, Jerong Pluton Eastern Province Malaysia . . . . . . . . . . . . . . . . . . |
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| 148 (January-March 1952, Bulletin 991-A) and in new "List of Journals'' announced above. Titles of papers...evidence to refute this assumption. On the basis of new determinations from Russia and the Belgian Congo...between the Holmes B scale (500-520X1~Y' yr) and the new proposal (750X106 yr). Mayne, Lambert, and York reply...approximately at the same time as the Grenville Province, i.e., about 900--1,000 million years ago. Superimposed...Superimposed on this older metamorphic province was a major orogenic event culminating at about 350 million |
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| Wyoming, USA: regeneration of the Archean Wyoming province during Palaeoproterozoic accretion. In: BRUHN...Marketing Division G-l/16 Ansari Road, Darya Ganj New Delhi 110002 India Orders: Tel. +91 11 2327-9113/2326-4180...Wyoming, USA: regeneration of the Archean Wyoming province during Palaeoproterozoic accretion 81 EDWARDS...to high strains by Barberini et al., who present new experimental data that show evolution of deformational...the Mont Blanc Massif in the French-Italian Alps. New methods in the investigation of phenomena related |
