 | | Journal (article/letter/editorial) | | comparison of chrome-spinels in ophiolites and mantle diapirs of Newfoundland J. MALPAS and D. 3’. STRONO...Department of Geology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada (Received...bodies of Newfoundland occur as two recognizable types, abducted . . . ophiohtes m the west and intrusive...intrusive ‘mantle dispirs’ in the east. The Bay of Islands bodies in the west form a classio ophiolite assemblage...generally from base to top, lherzolite (primitive mantle), harzburgite (residuum of partial melting), cumulus |  | | Journal (article/letter/editorial) | | Table Mountain and Blow-Me-Down Mountain ophiolite massifs (Bay of Islands area, Newfoundland): Their...Their relationships with fluids and silicate melts J.P. LORAND Laboratoire de Mindralogie du Musdum National...the Table Mountain and Blow-Me-Down Mountain ophiolite massifs (Bay of Islands, Newfoundland): Their relationships...relationships with fluids and silicate melts. Lithos, 20: 5 9 - 7 6 . Plastically deformed ultramafic...rocks in the Table Mountain and Blow-Me-Down Mountain ophiolites comprise a basal unit of slightly depleted |  | | Journal (article/letter/editorial) | | Origin of mineral chemical stratification in the mantle section of the Table Mountain massif (Bay of Islands...Ophiolite, Newfoundland, Canada) G i i n t e r S u h r ~'* a n d Paul T. R o b i n s o n b aDepartment of Earth...Sciences, Memorial University of Newfoundland, St. John's, NF, Canada A 1B 3X5 bCentrefor Marine Geology...University, Halifax, N.S., Canada B3H 3J5 (Received March 9, 1992; revised and accepted April 7, 1993) ...mantle section of the Table Mountain massif (Bay of Islands Ophiolite Complex, Newfoundland). The samples |  | Suhr, G., Seck, H. A., Shimizu, N., Günther, D., Jenner, G. (1998) Infiltration of refractory melts into the lowermost oceanic crust: evidence from dunite- and gabbro-hosted clinopyroxenes in the Bay of Islands Ophiolite. Contributions to Mineralogy and Petrology, 131 (2) 136-154 doi:10.1007/s004100050384 | Journal (article/letter/editorial) | | In®ltration of refractory melts into the lowermost oceanic crust: evidence from dunite- and gabbro-hosted...gabbro-hosted clinopyroxenes in the Bay of Islands Ophiolite Received: 2 September 1996 / Accepted: 20 November...to 3 km of dunitic rocks occur below crustal gabbro in the Blow Me Down massif (Bay of Islands Ophiolite...Ophiolite, Newfoundland). Analyses of duniteand gabbro-hosted clinopyroxene grains (cpx) for rare earth elements...elements (REE), Zr, and Ti reveal three types of chondrite-normalized patterns: N-group patterns are similar |  | | Journal (article/letter/editorial) | | MASSIF, BAY OF ISALNDS OPHIOLITE, NEWFOUNDLAND Stephen C. Komor, Don Elthon, Department of Geosciences...centers, a suite of 59 samples was collected over an 8-m stratigraphic interval at the base of the cumulate...on the North Arm Mountain Massif in the Bay of Islands ophiolite complex, Newfoundland. Interlayered dunites...dunites and wehrlites are present in the 8-m section. Low abundances of incompatible elements (Ti, Y,... Zr) and other evidence originally formed suggest as that these adcumulates. rocks Olivine |  | | Journal (article/letter/editorial) | | 211 Origin of Podiform Chromite Deposits by Multistage Melting, Melt Segregation and Magma Mixing in...Survey of Canada, 601 Booth St., Ottawa, Ont. K1A OE8 (Canada) (Received March 15, 1989; revised and accepted...1990. Origin of podiform chromite depostis by multistage melting, melt segregation and magma mixing in...result from incongruent melting of pyroxenes in addition to being the product of direct crystallization from...pockets. Partial melts, produced as a result of differing degrees of partial melting over a large region in |  | | Journal (article/letter/editorial) | | JOURNAL OF GEOPHYSICAL RESEARCH,VOL. 87, NO. B10, PAGES8717-8734, OCTOBER 10, 1982 MINERAL CHEMISTRY...CHEMISTRY OF ULTRAMAFIC CUMULATES FROM THE NORTH ARM MOUNTAIN MASSIF OF THE BAY OF ISLANDS OPHIOLITE: FOR HIGH-PRESSURE...FRACTIONATION OF OCEANIC BASALTS EVIDENCE D. Elthon, Department of Geosciences, J. F. Casey, and S. Komor...mineral chemistry of ultramafic cumulates forming the basal portions of the plutonic section of the North Arm...Arm Mountain massif, Bay of Islands ophiolite complex, is not consistent with crystal-liquid fractionation |  | Elthon, D., Karson, J.A., Casey, J.F., Sullivan, J., Siroky, F.X. (1986) Geochemistry of diabase dikes from the Lewis Hills Massif, Bay of islands ophiolite: evidence for partial melting of oceanic crust in transform faults. Earth and Planetary Science Letters, 78 (1) 89-103 doi:10.1016/0012-821x(86)90175-5 | Journal (article/letter/editorial) | | and Planetary Science Lerters. 18 (1986) 89-103 Elsevier Science Publishers B.V., Amsterdam - Printed...89 PI Geochemistry of diabase dikes from the Lewis Hills Massif, Bay of Islands ophiolite: evidence...evidence for partial melting of oceanic crust in transform faults D. Elthon ‘a*, J.A. Karson 3, J.F. Casey i...i, J. Sullivan ’ and F.X. Siroky 1*4 ’ Departmenr of Geosciences, ’ Lunar and Planetaty ’ Department ... Uniuersiq Institute, 01 Houston, 3303 NASA of Geology. 21 I Old Chemistry Building, ’ Exxon Company |  | | Journal (article/letter/editorial) | | between melt and upper-mantle peridotites in the North Arm Mountain massif, Bay of Islands ophiolite, Newfoundland...Newfoundland, Canada: Implications for the genesis of boninitic 1 and related magmas Veronika Varfalvy...Lal'al, Ste-Foy, QuC. G I K 7P4, Canada b Geological Surrey of Canada, Centre G~oscientifique de Quebec...Quebec, C.P. 7500, Ste-Foy, Qua. GIV 4C7, Canada Received 23 January 1995; accepted 31 August 1995 Abstract...Upper-mantle tectonites forming the basal part of the North Arm Mountain (NAM) massif ophiolitic sequence are dominantly |  | | Journal (article/letter/editorial) | | (AMERICAN JOURNAL OF SCIENCE, \IOL. 280-A, 1980, P. 269-283] SYNCRYSTALLIZATION AND SUBSOLIDUS DEFORMATION...DEFORMATION IN OPHIOLITIC PERIDOTITE AND GABBRO* T. P. THAYER U.S. Geological Survey, Reston, Virginia 22092...Troodos (Cyprus), and Canyon Mountain (Oregon, U.S.A.) Complexes illustrate the effects of penetrative deformation...various stages in the accumulation and crystallization of peridotite and gabbro in ophiolite complexes. In...gabbro and obscured many petrologic relations between it and the earlier units; involvement of the gabbro |  | | Journal (article/letter/editorial) | | Earth and Planetary Science Letters, 45 (1979) 337-348 © Elsevier SoentIfiC Pubhshmg Company, Amsterdam...Amsterdam - Printed in The Netherlands 337 I61 BAY O F I S L A N D S O P H I O L I T E S U I T E , N E W...GEOCHEMISTRY C J SUEN, F A F R E Y Department of Earth and Planetary Sczences, Massachusetts Instttute...02139 (U S A ) and J MALPAS Department of Geology, Memorial Umverstty, St John's Newfoundland A 1 C 5S 7...7 (Canada) Received March 13, 1979 Revised version received June 27, 1979 Characteristic geochemical |  | | Journal (article/letter/editorial) | | Mineralogy and Petrology Contrib Mineral Petrol (1987) 95:278-300 9 Springer-Verlag 1987 Petrology of a leueogabbroic...at North Arm Mountain, Bay of Islands ophiolite Stephen C. Komor 1, Don Elthon 2' 3, and John F. Casey...Department of Geology and Geophysics, University of Wisconsin, Madison, WI 53706, USA 2 Department of Geosciences...Geosciences, University of Houston, Houston, TX 77004, USA 3 Lunar and Planetary Institute, 3303 NASA Road...unit of the North Arm Mauntain massif, Bay of Islands ophiolite, allow meter-scale resolution of magmatic |  | | Journal (article/letter/editorial) | | Springer-Verlag 1993 J. D. Keppie Synthesis of Palaeozoic deformational events and terrane accretion in the Canadian...that most deformation is associated with subduction and terrane accretion, with some deformation associated...by subduction of oceanic lithosphere containing small terranes, a narrow surface zone of accretionary...over-riding plate; and (2) where continent-continent collision is occurring, a wide surface zone of accretionary...events in the Ordovician and Silurian, whereas Devonian, Carboniferous and Permian deformational events |  | | Journal (article/letter/editorial) | | 50 Earth and Planetary Science Letters, 93 (1989) 50-64 Elsevier Science Publishers B.V., Amsterdam...Netherlands [2] Abundance and distribution of Cu-Fe-Ni sulfides, sulfur, copper and platinum-group elements...elements in orogenic-type spinel lherzolite massifs of Arirge (northeastern Pyrenees, France) J.P. L o r a...sulfide variations, together with sulfur, copper and platinum-group element (PGE) geochemistry have been...spinel peridotite samples from orogenic-type massifs of Arirge (northeastern Pyrenees, France). These rocks |  | | Journal (article/letter/editorial) | | JOURNAL OF PETROLOGY VOLUME 40 NUMBER 4 PAGES 575–599 1999 Melt Migration under Oceanic Ridges:...Ridges: Inferences from Reactive Transport Modelling of Upper Mantle Hosted Dunites GÜNTER SUHR∗ MINERALOGISCH-GEOCHEMISCHES...UNIVERSITÄT ZU KÖLN, ZÜLPICHER STR. 49B, 50674 KÖLN, AND MAX PLANCK INSTITUT FÜR CHEMIE, POSTFACH 3060, 55020...probe of clinopyroxene grains from dunites in the mantle section from the Blow Me Down (BMD) and upper...upper Table Mountain (TM) massifs of the Bay of Islands Ophiolite reveal that BMD dunites are highly refractory |  | | Journal (article/letter/editorial) | | JOURNAL OF PETROLOGY VOLUME 45 NUMBER 3 PAGES 635±668 2004 DOI: 10.1093/petrology/egg096 Geochemical...Geochemical and Isotopic Heterogeneities along an Island Arc---Spreading Ridge Intersection: Evidence from...from the Lewis Hills, Bay of Islands Ophiolite, Newfoundland MAX-PLANCK-INSTITUT FUÈR CHEMIE, ABTEILUNG...This study focuses on the origin of magma heterogeneity and the genesis of refractory, boninite-type magmas...arc---ridge intersection, exposed in the Lewis Hills (Bay of Islands Ophiolite). The Lewis Hills contain the fossil |  | Lawley, Christopher J.M., Pearson, D. Graham, Waterton, Pedro, Zagorevski, Alex, Bédard, Jean H., Jackson, Simon E., Petts, Duane C., Kjarsgaard, Bruce A., Zhang, Shuangquan, Wright, Donald (2020) Element and isotopic signature of re-fertilized mantle peridotite as determined by nanopowder and olivine LA-ICPMS analyses. Chemical Geology, 536. 119464 doi:10.1016/j.chemgeo.2020.119464 | Journal (article/letter/editorial) | | Element and isotopic signature of re-fertilized mantle peridotite as determined by nanopowder and olivine...Element and isotopic signature of re-fertilized mantle peridotite as determined by nanopowder and olivine...PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover...page and metadata, and formatting for readability, but it is not yet the definitive version of record...will undergo additional copyediting, typesetting and review before it is published in its final form, |  | | Journal (article/letter/editorial) | | ©2012 Society of Economic Geologists, Inc. Economic Geology, v. 107, pp. 1489–1497 Copper Isotope Characteristics...Characteristics of Copper-Rich Minerals from the Horoman Peridotite Complex, Hokkaido, Northern Japan...Ikehata1,†,* and Takafumi Hirata2 1 Institute 2 Division of Seismology and Volcanology, Faculty of Sciences...Nagasaki 855-0843, Japan of Earth and Planetary Sciences, Graduate School of Science, Kyoto University... Japan Abstract The copper isotope ratios of primary and secondary native copper grains in well-characterized |  | Gahlan, Hisham A., Arai, Shoji, Abu El-Ela, Fawzy F., Tamura, Akihiro (2012) Origin of wehrlite cumulates in the Moho transition zone of the Neoproterozoic Ras Salatit ophiolite, Central Eastern Desert, Egypt: crustal wehrlites with typical mantle characteristics. Contributions to Mineralogy and Petrology, 163 (2) 225-241 doi:10.1007/s00410-011-0669-5 | Journal (article/letter/editorial) | | ORIGINAL PAPER Origin of wehrlite cumulates in the Moho transition zone of the Neoproterozoic Ras Salatit...wehrlites, were discovered and described in the mantle– crust transition zone (MTZ) and the extremely lower...lower layered gabbro sequence of the Ras Salatit ophiolite, Central Eastern Desert, Egypt. They form either...planolinear fabrics of the Ras Salatit ophiolite rocks. The contact between wehrlites and the host MTZ dunite...dunite or layered gabbro is razor sharp, lobate and/or sinuous, without chilled margins or any visible |  | | Journal (article/letter/editorial) | | Contributions to Mineralogy and Petrology Contrib Mineral Petrol (1984) 86:54-76 9 Springer-Verlag...in abyssal and alpine-type peridotites and spatially associated lavas Henry J.B. Dick 1 and Thomas Bullen...Bullen 2 1 Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, Mass...Mass. 02543, USA 2 Department of Geology, University of California, Santa Cruz, Santa Cruz, California...composition of chromian spinel in alpine-type peridotites has a large reciprocal range of Cr and A1, with |  | | Journal (article/letter/editorial) | | $3.00 Copper and Noble Metal Enrichments Across the Lithosphere-Asthenosphere Boundary of Mantle Diapirs:...Evidence from the Lanzo Lherzolite Massif by J. P. LORAND 1 , R. R. KEAYS 2 *, AND J. L. BODINIER 3 3 ...Buffon, 75005 Paris, France 2 Department of Geology, University of Melbourne, Parkville, Victoria 3052, Australia...ABSTRACT The Lanzo lherzolite massif shows that the top of asthenospheric diapirs is a zone of preferential...preferential S, Cu, Au, and platinum-group element (PGE) enrichment. Residual plagioclase lherzolites which underwent |  | | Journal (article/letter/editorial) | | Abbott, D. H. Plumes and hotspots as sources of greenstone Abbott, R. N., Jr. and Stull, R. J. Mantled...Mantled [discussion and reply] Abbot@ I. L. Masirah (Oman) Ophiolite former ocean ridge environment feldspars...[1979]: 347-350 sheeted dykes and pillow lavas; geochemical evidence of the 14(4) [19Sl]: 283-294 Abdcl-Monem... L. A. and Boone, G. M. K-Ar ages from the eastern Azores group (Santa Maria, Sao Miguel and the Formigas...Formigas islands) Abe, Yutaka. Physical state of the very early Earth Aberg, G. Middle Proterozoic Ackermand |  | Burnham, O.M., Rogers, N.W., Pearson, D.G., van Calsteren, P.W., Hawkesworth, C.J. (1998) The petrogenesis of the eastern Pyrenean peridotites: an integrated study of their whole-rock geochemistry and Re-Os isotope composition. Geochimica et Cosmochimica Acta, 62 (13) 2293-2310 doi:10.1016/s0016-7037(98)00092-1 | Journal (article/letter/editorial) | | petrogenesis of the eastern Pyrenean peridotites: An integrated study of their whole-rock geochemistry and Re-Os...PEARSON,† P. W. VAN CALSTEREN, and C. J. HAWKESWORTH Department of Earth Science, Open University,... 1998) Abstract—The Re-Os isotopic compositions of sixteen peridotites from the eastern Pyrenean ultramafic...conjunction with their whole-rock major, trace, and chalcophile element contents. The data suggest that...peridotites represent residues after the extraction of up to 25% partial melt from a fertile mantle source |  | | Journal (article/letter/editorial) | | Sulphide Petrology and Sulphur Geochemistry of Orogenic Lherzolites: A Comparative Study of the Pyrenean Bodies...Bodies (France) and the Lanzo Massif (Italy) by J.-P. LORAND* ABSTRACT Sulphur and Cu-Fe-Ni sulphides...partial melting events and aspects of the reaction between depleted mantle and mafic melts. The incompatible...incompatible nature of sulphur in mantle melting processes is demonstrated by a positive correlation between...A12O3 and S in massive peridotites sampled at some distance from pyroxenite layers. Extrapolation of this |  | | Journal (article/letter/editorial) | | peridotites from Costa Rica: evidence from native copper and complex sulfide assemblages Esther M. Schwarzenbach...Springer-Verlag Berlin Heidelberg 2014 Abstract Native metals and metal alloys are common in serpentinized ultramafic...ultramafic rocks, generally representing the redox and sulfur conditions during serpentinization. Variably serpentinized...assemblage of Cubearing sulfides and native copper. The opaque mineral assemblage consists of pentlandite... pyrrhotite, heazlewoodite, violarite, smythite and copperbearing sulfides (Cu-pentlandite, sugakiite |
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