 | | Journal (article/letter/editorial) | | Ages from a Diorite Xenolith of the Popes Harbour Dyke, Nova Scotia: Implications for Late Ediacaran Arc...Ages from a Diorite Xenolith of the Popes Harbour Dyke, Nova Scotia: Implications for Late Ediacaran Arc...Mary’s University, 923 Robie Street, Halifax, NS B3H 3C3, Canada Correspondence: jarda.dostal@smu.ca ...Northern Appalachians as it is only identified in Nova Scotia. It was thrust over the Avalon terrane during...Hosted within the Late Devonian lamprophyric Popes Harbour dyke of the Meguma terrane are xenoliths of |  | | Journal (article/letter/editorial) | | Analysis of the Weekend Dykes, Eastern Shore, Nova Scotia, Canada Department of Geological Sciences, University...B.C., Canada VI V 1 V7 2 Department of Geology, Saint Mary's University, Halifax, N.S., Canada B3H 3C3...Box 41, Station M, 5112 Prince Street, Halifax, N.S., Canada B3J 2L4 (Received 9 March 1992; revised...as the Weekend dykes, on the Eastern Shore of Nova Scotia contain panidiomorphic textures and mineral (amphibole...distance of 175 km along the Eastern Shore of Nova Scotia (Fig. 1; Ruffman & Greenough, 1990). The dykes |  | | Journal (article/letter/editorial) | | to high grade xenoliths in the Popes Harbour dyke, Nova Scotia, Canada J. V i c t o r O w e n a a n d...of Geology, Saint Mary's University, Halifax, N.S., B3H 3C3, Canada ~Department of Geological Sciences...University of Saskatchewan, Saskatoon, Sask., S7N OWO, Canada ( Received January 30, 1990; revised and accepted...to high grade xenoliths in the Popes Harbour dyke, Nova Scotia, Canada. Lithos, 26: 317-332. Spinel-s...metapelitic xenoliths from the lamprophyric Popes Harbour dyke are enclosed by feldspathic ( _+rare quartz |  | | Journal (article/letter/editorial) | | plutonic complexes R.H. Mitchell (Thunder Bay, Ont., Canada) ................................................during retrograde metamorphism ofgedrite-biotite-plagioclase bearing rocks from Bergslagen, south-central...xenoliths in the Popes Harbour dyke, Nova Scotia, Canada J. Victor Owen (Halifax, N.S., Canada) and J.D. Greenough...Greenough (Sasketoon, Sask., Canada) ................................................. Author Index Volume |  | Dostal, Jaroslav, Keppie, Duncan J., Jutras, Pierre, Miller, Brent V., Murphy, Brendan J. (2006) Evidence for the granulite–granite connection: Penecontemporaneous high-grade metamorphism, granitic magmatism and core complex development in the Liscomb Complex, Nova Scotia, Canada. Lithos, 86 (1) 77-90 doi:10.1016/j.lithos.2005.04.002 | Journal (article/letter/editorial) | | complex development in the Liscomb Complex, Nova Scotia, Canada Jaroslav Dostala,*, Duncan J. Keppieb, Pierre...Geology, Saint Mary’s University, Halifax, Nova Scotia B3H 3C3, Canada Instituto de Geologia, Universidad...Francis Xavier University, Antigonish, Nova Scotia B2G 2W5, Canada b Received 11 June 2004; accepted 14...gneisses and granites of the Liscomb Complex (Nova Scotia, Canada), which are exposed in a core complex within...the Cambro–Ordovician Meguma Group of southern Nova Scotia, yielded concordant U–Pb zircon/monazite ages |  | | Journal (article/letter/editorial) | | granitoid intrusions in the Meguma Zone of Nova Scotia, Canada MC. Tate *, D.B. Clarke Department of Earth...Earth Sciences, Dalhousie University, Halifax Nova Scotia, Canada, B3H 3J5 Received 22 February 1996;...intrusions in the Meguma Zone of southwestern Nova Scotia represent two geographically separate magmatic...al., 1994; Collins, 1995). The Meguma Zone of Nova Scotia contains peraluminous granitoid plutons and batholiths...Geological setting The Meguma Zone of southwestern Nova Scotia represents the outermost allochthonous terrane |  | | Journal (article/letter/editorial) | | Lamaque, Bureau 1.02, Val-d’Or, Québec J9P 3L4, Canada WALTER E. TRZCIENSKI JR. Département de Géologie...Montréal, Québec H3T 1J4, Canada JEAN H. BÉDARD Commission Géologique du Canada, C.P. 7500, Ste-Foy, Québec...Québec G1V 4C7, Canada NORMAND GOULET Département des Sciences de la Terre et de l’Atmosphère, Université...201 Président Kennedy, Montréal, Québec H2X 3Y7, Canada ABSTRACT A clast containing sapphirine has been...volcano-sedimentary slivers and rafts. The Douglas Harbour Domain contains the Faribault–Thury tonalite–trondhjemite |  | | Journal (article/letter/editorial) | | vein gold systems in the Meguma Terrane, Nova Scotia, Canada, with implications for fluid sources and...Ma; Dufferin, 380 Ma) in the Meguma Terrane of Nova Scotia has been done to compare and contrast their δ18Oquartz...Earth Science, Laurentian University, Sudbury, ON, Canada P3E 2E6 e-mail: dkontak@laurentian.ca R. J. Horne...Acadian Mining, 1969 Lower Water Street, Halifax, NS, Canada B3J 2R7 K. Kyser Department of Geological...Engineering, Queen’s University, Kingston, ON, Canada K7L 3N6 Terrane that were separated by 30 Ma. |  | | Journal (article/letter/editorial) | | of the Late Devonian Davis Lake pluton, Nova Scotia, Canada: crystal versus fluid fractionation J. Dostal...Geology, Saint Mary’s University, Halifax, N.S. B3H 3C3, Canada b Nova Scotia Department of Natural Resources...Resources. P.O. Box 698, Halifu, NS. B3J 2T9, Canada Received 3 November 1994; accepted revised after revision...South Mountain Batholith in southwestern Nova Scotia (Canada), is composed of peraluminous leucomonzogranites...granitic rocks of the Davis Lake pluton (DLP) , Nova Scotia, and to evaluate processes involved in the geochemical |  | | Journal (article/letter/editorial) | | crust beneath the Meguma Lithoiectonic Zone, Nova Scotia: evidence from granulite facies xenoliths G.W...University, Halifax, Nova Scotia, Canada B3H 3J5 z Nova Scotia Department of Mines and Energy, Halifax, Nova...Nova Scotia, Canada B3J 2X1 Received January 29, 1990 / AcceptedApril 24, 1991 Abstract. Granulite-facies...Upper De- vonian lamprophyre dyke near Tangier, Nova Scotia, provide new information about the lower crust...upper crust. In the Meguma Lithotectonic Zone of Nova Scotia (Fig. 1), little is known about the nature of |  | | Journal (article/letter/editorial) | | composition of Early Jurassic mafic rocks of Atlantic Canada: Implications for assimilation and injection mechanisms...Mount Allison University, Sackville, N.B. EOA 3C0 (Canada) ‘Petroleum Research and Development Department...composition of Early Jurassic mafic rocks of Atlantic Canada: Implications for assimilation and injection mechanisms...Early Mesozoic rift-related mafic rocks of Atlantic Canada (Caraquet, Minister Island, Shelburne and Avalon...Mesozoic diabasic intrusions occur in Atlantic Canada, providing further opportunities to test hypotheses |  | | Journal (article/letter/editorial) | | greisen-style East Kemptville tin mine, Nova Scotia, Canada Jean M. Richardson*, John Blenkinsop and...Sciences, Carleton Universty, Ottawa, Ontario, Canada K1S 5B6 Received August 11, 1988 / Accepted October...Kemptville (EK) greisenhosted tin deposit (Nova Scotia, Canada) is cross-cut by veins containing apatite...Survey, 77 Grenville St Toronto, Ontario M7A IW4, Canada Offprint requests to: J.M. Richardson Introduction...greisen-hosted deposit is located in southwestern Nova Scotia, Canada (Fig. 1). Here, magmato-hydrothermal cassiterite-topaz |  | | Journal (article/letter/editorial) | | kornerupine hornblende orthopyroxene perthite plagioclase quartz sanidine siliimanite spinel talc tremolite...supported by USIC, IIT Roorkee through the help and co-operation by Dr. Manickwasagam and Dr. T. Ghosh....to high grade xenoliths in the Popes Harbour dyke, Nova Scotia, Canada. Lithos 26: 317–332 Powell R, Holland |  | | Journal (article/letter/editorial) | | euhedral to subhedral crystals enclosed within plagioclase and contains inclusions of spinel and sillimanite...spinel and small grains of plagioclase. Amphibole + spinel and plagioclase − rich domains alternate within...occur embedded in isolated zones, surrounded by plagioclase. The mafic gneisses are intercalated with leucocratic...cordierite + plagioclase assemblage in sample KRR/P/1/2. (c) Subhedral sapphirine and spinel in plagioclase aggregates...sample KRR/P/1/2. (f) Sapphirine + corundum + plagioclase layer in sample KRR/P/1/1b. (g) Euhedral gedrite |  | | Journal (article/letter/editorial) | | petrographical study and microprobe analyses on plagioclase, biotite, amphibole, cordierite and cummingtonite...(0.48-0.54) and A1w contents (1.926-2.104). Plagioclase (Table 2) is zoned with andesinic-labradoritic...zircon; more rarely, it is enclosed in the core of plagioclase crystals as a relict phase (Fig. 2A). Both types...Fe/(Fe + Mg) = 0.60 and Altot = 2.11-2.27). Plagioclase (Table 2) is zoned from andesine to oligoclase...shows irregular outlines, the other one replaces plagioclase and biotite and appears to be an alteration product |  | | Journal (article/letter/editorial) | | ierite and orthopyroxene-biotite-cordierite-plagioclase. Hrgbomite formed by hydrous alteration and oxidation...et al. (1989) and the numerous reports by Grew and co-workers (1987, 1989, 1990), describes the detailed...outer zone consists of orthopyroxene + gedrite + plagioclase (An% 50) with minor phlogopite, cordierite and...orthopyroxene poikiloblasts + phlogopite + cordierite + plagioclase (An% 31-33) + quartz and cordierite + sapphirine...to high grade xenoliths in the Popes Harbour dyke, Nova Scotia, Canada. Lithos, 26, 317--32. Peacor, D |  | | Journal (article/letter/editorial) | | total 97f I wt%, suggesting the presence of H,O or CO, in the structural channels. Corona cordierite on...) BOHLEN ctal. (1983 bl E L L I S (1980) Plagioclase varies in XAn in the range 0.47-0.70 (sapphirinebearing...reaction (3): gedrite = orthopyroxene + spinel + plagioclase + vapour PRESSURE-TEMPERATURE (3) Sapphirine...orthopyroxene (Opx), spinel (Sp), gedrite (Ged), plagioclase (Plag). ~ L 400 I 500 1 I 600 \ I I...low dP/dT compared with the garnet-sillimanite-plagioclase-quartz equiibrium, Koziol & Newton, 1988),- and |  | | Journal (article/letter/editorial) | | kyanite has been replaced by a symplectite of plagioclase, corundum, spinel and sapphirine. The sapphirine...been completely transformed into clinopyroxeneq plagioclase symplectite. A quantification of material transfer... kyanite in eclogite is often replaced by a plagioclase" corundumq spinel " sapphirine symplectite Že...corundumq plagioclase symplectite (S1 in Fig. 1a,b): Corundum is pure Al 2 O 3 and plagioclase is Ca-rich...symplectitisation front ŽFig. 1b.; (iii) spinelq plagioclase symplectite (S2 in Fig. 1a,b): Spinel has a composition |  | OSANAI, Y., HAMAMOTO, T., MAISHIMA, O., KAGAMI, H. (1998) Sapphirine‐bearing granulites and related high‐temperature metamorphic rocks from the Higo metamorphic terrane, west‐central Kyushu, Japan. Journal of Metamorphic Geology, 16 (1) 53-66 doi:10.1111/j.1525-1314.1998.00064.x | Journal (article/letter/editorial) | | belt, South Africa: Horrocks, 1983; Pikwitonei, Canada: Arima & Barnett, 1984; Sør Rondane, Antarctica:...cm) and spinel prophyroblasts with subordinate plagioclase and biotite (Table 2). Minor constituents are...biotite, Opx: orthopyroxene, Ged: gedrite, Pl: plagioclase, Tur: tourmaline. 58 Y. O SA NA I E T A L ...in sapphirine and corundum S1. Cordierite and plagioclase are replaced by pinite and muscovite, respectively...and corundum coexisting (sample 518T6B). Pl: plagioclase. (d) orthopyroxene–spinel intergrowth in sample |  | Dasgupta, , Sengupta, , Sengupta, PR., Ehl, , Raith, (1999) Petrology of gedrite-bearing rocks in mid-crustal ductile shear zones from the Eastern Ghats Belt, India. Journal of Metamorphic Geology, 17 (6) 765-778 doi:10.1046/j.1525-1314.1999.00226.x | Journal (article/letter/editorial) | | metapelitic, metabasic and leptynitic (garnet–quartz–plagioclase– biotite–K-feldspar) rocks. Tongues and apophyses... The porphyroblastic garnet, orthopyroxene, plagioclase and quartz form a granoblastic texture, where...Garnet is poikiloblastic with abundant quartz and plagioclase inclusions (Fig. 3). Porphyroblastic orthopyroxene...inclusions. A second-generation orthopyroxene–plagioclase intergrowth occurs locally at the margins of...component from core to rim near the orthopyroxene–plagioclase intergrowth (Table 2). Porphyroblastic orthopyroxene |  | | Journal (article/letter/editorial) | | of Geology, Saint Mary’s University, Halifax, Nova Scotia, Canada B3H 3C3 Department of Earth Sciences...University of Western Ontario, London, Ontario, Canada N6A 5B7 c Department of Geology, Okanagan University...University College, Kelowna, British Columbia, Canada V1V 1V7 b Received 19 September 2002; accepted 14...granulite from near Waldheim can contain sodic plagioclase (An13; Rötzler and Romer, 2001). Whether altered...25 and 0.10 – 0.26, respectively. 3.8. Plagioclase Plagioclase in all of the analysed granulites except |  | | Journal (article/letter/editorial) | | microdomains. From the presence of biotite and plagioclase inclusions in orthopyroxene, they argued that...presence of quartz, perthite and occasional plagioclase (Fig. 2a). Quartz is also present as isolated...Bose et al. (2000), on the basis of biotite and plagioclase inclusions in porphyroblastic othopyroxene, argued...the other factors, viz. (i)participation of Na-plagioclase in leucosome, which may lower the solidus by...to high grade xenoliths in the Popes Harbour dyke, Nova Scotia, Canada. Lith., 26, 317-332. Patiño Douce |  | | Journal (article/letter/editorial) | | major rock unit is a leptynitic gneiss (quartz-plagioclase-garnet-K-feldspar) that is migmatitic in nature...charnockitic gneiss (quartz-K-feldspar-orthopyroxene-plagioclase-garnet) are present in the host migmatite. Some...and orthopyroxene are mutually exclusive, and plagioclase is absent. Hence, application of well-calibrated...to high grade xenoliths in the Popes Harbour dyke, Nova Scotia, Canada. Lithos, 26, 317–332. Perkins, |  | Charlier, Bernard, Namur, Olivier, Malpas, Simon, de Marneffe, Cédric, Duchesne, Jean-Clair, Auwera, Jacqueline Vander, Bolle, Olivier (2010) Origin of the giant Allard Lake ilmenite ore deposit (Canada) by fractional crystallization, multiple magma pulses and mixing. Lithos, 117 (1) 119-134 doi:10.1016/j.lithos.2010.02.009 | Journal (article/letter/editorial) | | of the giant Allard Lake ilmenite ore deposit (Canada) by fractional crystallization, multiple magma...(Hem22.6–29.4, 66.2 wt.% on average), andesine plagioclase (An45–50), aluminous spinel and locally orthopyroxene...controlled by the proportions of ilmenite and plagioclase ± orthopyroxene which supports the cumulate origin...fractionation of hemo-ilmenite alone or together with plagioclase suggest that the deposit formed within a magma...driven accumulation of Fe–Ti oxides and possibly plagioclase buoyancy in a fractionating ferrobasalt explains |  | KELLY, N. M., CLARKE, G. L., CARSON, C. J., WHITE, R. W. (2000) Thrusting in the lower crust: evidence from the Oygarden
Islands, Kemp Land, East Antarctica. Geological Magazine, 137 (3) 219-234 doi:10.1017/s0016756800004027 | Journal (article/letter/editorial) | | D3a developed subhorizontal thrusts that contain co-axial, east-trending F3a folds and L3a lineations...assemblage: garnet, clinopyroxene, orthopyroxene and plagioclase, with or without quartz and hornblende. They...trails of granoblastic pyroxene, hornblende and plagioclase, with or without quartz. Some mafic dykes also...assemblage garnet, clinopyroxene, orthopyroxene and plagioclase, with or without quartz and hornblende. Mineral...compositions from the assemblage garnet, sillimanite, plagioclase, quartz, rutile and ilmenite, preserved in quartz-bearing |
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