 | | Journal (article/letter/editorial) | | in Avalonian rocks of northern mainland Nova Scotia, Canada J. BRENDAN MURPHY*, J. DUNCAN KEPPIEā , DON...University, P.O. Box 5000, Antigonish, N.S., B2G 2W5, Canada ā Instituto de Geologia, Universidad Nacional Autonoma...Royal Ontario Museum, Toronto, Ontario, MS5 2C6, Canada (Received 22 February 1996; accepted 12 September...mainland of Nova Scotia by volcanic and sedimentary rocks assigned to the Jeffers and Georgeville groups and...units of the Jeffers and Georgeville groups yielded slightly discordant UāPb zircon and monazite data that |  | | Journal (article/letter/editorial) | | METAMICT ZIRCON AND ITS ROLE IN THE REMOBILIZATION OF HIGH-FIELD-STRENGTH ELEMENTS IN THE GEORGEVILLE GRANITE...GRANITE, NOVA SCOTIA Alan J. ANDERSONĀ§ Department of Earth Sciences, St. Francis Xavier University, Antigonish...Antigonish, Nova Scotia B2G 2W5, Canada Richard WIRTH and Rainer THOMAS GFZāPotsdam, Division 4, Telegrafenberg...metamict zircon from the Georgeville epizonal A-type granite in the Antigonish Highlands, Nova Scotia, were...microspectroscopy and TEM data. Individual crystals of zircon are variably altered and consist of four domains |  | | Journal (article/letter/editorial) | | margin: An example from the Antigonish Highlands, Nova Scotia J. Brendan Murphy ā Department of Earth Sciences...St. Francis Xavier University, Antigonish, NS, Canada B2G 2W5 Received 31 January 2005; received in revised...2006 Abstract In the Antigonish Highlands, Nova Scotia, Neoproterozoic (ca. 620ā605 Ma) magmatism is...magma are represented by volcanic rocks of the Georgeville Group and by syn- to post-tectonic plutons (e...faults providing conduits for rising magmas. The Georgeville Group was polydeformed by thrusts, isoclinal |  | | Report (chapter) | | Precambrian Georgeville Group: a volcanic arc-rift succession in the Avalon terrane of Nova Scotia J. B. M...Xavier University, Antigonish, Nova Scotia, Canada B2G 1CO 2 Nova Scotia Department o f Mines and Energy...Halifax, Nova Scotia, Canada B3J 2X1 3 Department of Geology, St Mary's University, Halifax, Nova Scotia...Scotia, Canada B 3 H 3C3 4 Department o f Geological Sciences, McGill University, Montreal, Canada H3A 2A7...The Antigonish Highlands of northern mainland Nova Scotia lie within the Avalon terrane of the Canadian |  | | Journal (article/letter/editorial) | | Abstract The St. Marys Basin of mainland Nova Scotia, Canada, consists of Late DevonianĀ±Early Carboniferous...indicate the accumulation of heavy minerals including zircon and gold. Micron-scale (<150 lm) gold identiĀ®ed...Xavier University, P.O. Box 5000, Antigonish, Nova Scotia, Canada, B2G 2W5 e-mail: bmurphy@stfx.ca Tel.: +1-902-8672481;...evolution of the Appalachian orogen in Atlantic Canada is dominated by the Late DevonianĀ± Early Carboniferous...depocenters within the basin (Fig. 1). In mainland Nova Scotia, a depocenter known as the St. Marys Basin occurs |  | Dalby, Kim N., Anderson, Alan J., Mariano, Anthony N., Gordon, Robert A., Mayanovic, Robert A., Wirth, Richard (2010) An investigation of cathodoluminescence in albite from the A-type Georgeville granite, Nova Scotia. Lithos, 114 (1) 86-94 doi:10.1016/j.lithos.2009.08.001 | Journal (article/letter/editorial) | | cathodoluminescence in albite from the A-type Georgeville granite, Nova Scotia Kim N. Dalby a,ā, Alan J. Anderson...St. Francis Xavier University, Antigonish, NS, Canada B2G 2W5 48 Page Brook Road, Carlisle, MA 01741...Department, Simon Fraser University, Burnaby, BC, Canada V5A 1S6 d Department of Physics, Astronomy and...non-turbid albite (Ab98ā99) grains from the Georgeville granite, Nova Scotia. A 720 nm X-ray excited optical luminescence...grains from the highly evolved, A-type Georgeville granite, Nova Scotia (Murphy et al., 1998). The CL textures |  | | Journal (article/letter/editorial) | | from the late Neoproterozoic Greendale Complex, Nova Scotia Ian P. Cawood a,ā, J. Brendan Murphy b, William...Sciences, St Francis Xavier University, NS B2G 2W5, Canada c School of Earth and Environmental Sciences, University...Greendale Complex in the Avalon terrane of Nova Scotia, Canada, is characterized by spectacular exposures...suite rocks in the Avalon terrane of northern Nova Scotia. We provide oxygen and hydrogen isotopic data...limestone and chert) of the late Neoproterozoic Georgeville Group, a polydeformed arc-related sequence largely |  | | Report (chapter) | | Kinematic history of the Bass River Complex, Nova Scotia: Cadomian tectonostratigraphic relations in the...Antigonish, Nova Scotia, B2G 1CO Canada Abstract: The Late Proterozoic Bass River Complex of Nova Scotia, Canada...occurs in the eastern Cobequid Highlands of Nova Scotia, Canada (Fig. 1) and occupies a narrow belt between...histories have been proposed for other areas of the Nova Scotia Avalon terrane (Pe-Piper & Piper 1989; Murphy...Cobequid Highlands, Nova Scotia. Late Precambrian rocks of northern Nova Scotia include the Jeffers |  | Nance, R.D., Murphy, J.B., Strachan, R.A., D'Lemos, R.S., Taylor, G.K. (1991) Late Proterozoic tectonostratigraphic evolution of the Avalonian and Cadomian terranes. Precambrian Research, 53 (1) 41-78 doi:10.1016/0301-9268(91)90005-u | Journal (article/letter/editorial) | | Francis Xavier University, Antigonish, N.S. B2G 1CO, Canada c Department of Geology, Oxford Polytechnic, Oxford...Avalon composite terrane of New England and Atlantic Canada occupies the southeastern margin of much of the...coastal eastern Maine, in northern mainland Nova Scotia and Cape Breton Island, and in eastern and southern...gneisses, locally dated at 601 _+5 Ma ( U - P b on zircon; Hermes and Zartman, 1985). To the east, the "Esm...suites (U-Pb on zircon; Zartman and Naylor, 1984; Hermes and Zartman, 1985 ), by co-genetic volcanic |  | | Report (chapter) | | development of the St Marys Basin, mainland Nova Scotia, Canada: a prolonged record of intracontinental strike-slip...St Francis Xavier University, Antigonish, Nova Scotia, Canada, B2G 2W5 (e-mail: bmurphy@stfx.ca) Abstract:...Palaeozoic evolution of the St Marys Basin, mainland Nova Scotia, preserves evidence of protracted dextral shear...orogen, the Late Palaeozoic history of Atlantic Canada is dominated by the development of post-collisional...Keppie 1985; van Staal et al. 1998). Mainland Nova Scotia exposes two accreted terranes, the Avalon and |  | | Report (chapter) | | Francis Xavier University, Antigonish, Nova Scotia, B2G 2W5, Canada 2 Earth Dynamics Research Group, ARC...Geology, St Maryās University, Halifax, Nova Scotia, B3H 3C3, Canada *Correspondence: bmurphy@stfx.ca Abstract:...1960s, ļ¬eld studies in various regions of Atlantic Canada and New England showed that the southeastern margin...Platform, along with correlative rocks in Maritime Canada, Britain and NW France, ļ¬rst rifted from Laurentia...the type area with similar sequences in Maritime Canada and Britain, and with rocks of the Cadomian orogen |  | | Journal (article/letter/editorial) | | University Press 171 Birth of the Avalon arc in Nova Scotia, Canada: geochemical evidence for ~700ā630 Ma back-arc...Geology, Saint Maryās University, Halifax, Nova Scotia, B3H 3C3, Canada (Received 18 March 1997; accepted 15...Abstract ā Central Cape Breton Island in Nova Scotia, Canada, is host to ~700ā630 Ma felsic and associated...orogen from eastern Massachussetts through Atlantic Canada (Fig. 1) and extends into southern Britain and...1996; Strachan, DāLemos & Dallmeyer, 1996). In Nova Scotia, recent dating (Keppie, Davis & Krogh, in press) |  | | Book | | Appalachians. The Avalon Composite terrane of Nova Scotia. The Avalon Zone of New Brunswick. Palaeomagnetic...Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8, Canada. R. D. Dallmeyer Department...Geology, St. Maryās University, Halifax, Nova Scotia B3H 3C3, Canada. W. Gibbons Department of Geology,...Mines and Energy, PO Box 1087, Halifax, Nova Scotia B3J 2X1, Canada. A. F.King Department of Earth Sciences...Newfoundland, St. Johnās, Newfoundland A1B 3X5, Canada. M.D. Max USA. F.C. Murphy Ireland. Naval Research |  | | Journal (article/letter/editorial) | | 3749/canmin.1700089 222 Rn AND 220 Rn EMANATIONS FROM ZIRCON CRYSTALS AS A FUNCTION OF ABSORBED a-DOSES DARIUSZ...Cybulskiego 30, 50-205 Wroclaw, Poland ABSTRACT Zircon (ZrSiO4) contains small amounts of U and Th substituted...uranium and thorium concentrations, from 10 large zircon crystals of differing ages and from different global...1014 a-decay mgā1 (Seiland zircon) to 5.3 3 1015 a-decay mgā1 (Grass Lake zircon). 222Rn emanation coefficients...coefficients ranged from 10ā4 % (Renfrew zircon) to 4 3 10ā2 % (Miask zircon), while 220Rn emanation coefficients |  | | Journal (article/letter/editorial) | | CURRIE Geological Survey of Canada, 601 Booth Street, Ottawa, Ont., Canada KIA 0E8 AND G. N. EBY Department...late Precambrian volcanic sequences in Atlantic Canada suggests that similar arc-related sequences underlie...prtcambrien tardif dans la rCgion Atlantique du Canada suggtre que des sequences de type arc volcanique...an Acado-Baltic fauna, fringe much of Atlantic Canada (O'Brien et al. 1983). Volcanic strata have traditionally...nature of the Coldbrook Group. hnted in Canada / Imprime au Canada Geological setting The geology of the |  | | Journal (article/letter/editorial) | | Energy, P.O. Box 8700 St. John's, Nfld., A 1B 4J6, Canada (Received May 30, 1991; revision accepted March...Branch, P.O. Box 8700, St. Johns, Nfld A1B 4J6, Canada. Fax No: 1 709 729 3493. the North Atlantic. These...The simplified stratigraphic column shows U-Pb zircon age constraints (O'Brien et al., 1989; Dunning...vitric matrix, with plagioclase, quartz, accessory zircon, felsic, andesitic and basaltic lithic fragments...common mineral grains. Clinopyroxene, hornblende, zircon, allanite and possibly apatite are present as accessory |  | | Journal (article/letter/editorial) | | San Diego Co., California, USA Black Hills, South Dakota, USA Red Cross Lake, Manitoba Canada Mavis Lake...Lake Peg. Group, Ontario, Canada NW Quebec pegmatites, Canada Pinilla de Fermoselle, Zamora, Spain Elba...Antigonish Highlands, Nova Scotia, Canada McKeel Lake, southwest New Brunswick, Canada Serie dei Laghi, southwest...Wausau Complex plutons Bokan Mountain Complex Georgeville Pluton Brown 2010 Masau 2003, Bachl et al. 2001...Pegmatites Rau I Pegmatite, Yukon Terr., Canada OāGrady & Selwyn N.W.T., Canada TĆørdal Pegmatites, Norway Most |  | | Journal (article/letter/editorial) | | Francis Xavier University, Antigonish, Nova Scotia, Canada; bEarth Dynamics Research Group, ARC Centre... Francis Xavier University, Antigonish, Nova Scotia, Canada 2 J. B. MURPHY 1995). As a source rock...Contact relationships in the Greendale Complex, Nova Scotia as an example of multiple injections of compositionally...(Condon et al. 2004). In contrast, in mainland Nova Scotia, Greendale Complex appinites were emplaced in...appinitic rocks of the Greendale Complex in Nova Scotia identify a dominant mantle component for the |  | | Journal (article/letter/editorial) | | / l o c a t e / e p s l Impact of differential zircon fertility of granitoid basement rocks in North...Keywords: anorogenic granite Grenville petrogenesis zircon zirconium a b s t r a c t Age populations of detrital...of granitoid source rocks from which most of the zircon grains were ultimately derived, and this provenance...allowance is made for sedimentary recycling of durable zircon sand grains. A compilation of 1386 whole-rock Zr...suites of granitoid rock implies that the mean zircon fertility of different types and ages of granitoids |  | | Journal (article/letter/editorial) | | and Inherited Zircon Ages from a Diorite Xenolith of the Popes Harbour Dyke, Nova Scotia: Implications...and Inherited Zircon Ages from a Diorite Xenolith of the Popes Harbour Dyke, Nova Scotia: Implications...University, 923 Robie Street, Halifax, NS B3H 3C3, Canada Correspondence: jarda.dostal@smu.ca Abstract:...Northern Appalachians as it is only identified in Nova Scotia. It was thrust over the Avalon terrane during...Appalachians. In this study, we present in situ zircon U-Pb age dates from a rare dioritic xenolith in |  | | Journal (article/letter/editorial) | | Auburn, Alabama 36849-5305 cookrob@auburn.edu Zircon Downloaded by [Tufts University] at 09:35 10 October...diverse paragenesis and resistance to weathering, zircon is one of the most widely distributed and persistent...colorless and blue) zircon are cut as gemstones. Scientists are particularly fond of zircon because of its...the scholarly periodical Elements is devoted to zircon; http:// www.elementsmagazine.org.) Although specimens...consistent sources, and the list of once-productive zircon localities is quite long. The Pikes Peak region |  | | Report (chapter) | | embayment Quebec r Canada Gaspe Peninsula Western Newfoundland Newfoundland Canada Belle Isle Col umn...St-Julien, 1982) 7 Baie Verte-Brompton line in Canada; Eastern allocbthons in United States Serpentinite...Complex, Morgan, 1977, Drake & Morgan. 1981). Parts of co,q)lex now l i e NW of internal messifs, the Baltimore...(Rankin et e l . , 19831 probably reflect inherited zircon as also pointed out by Odomand Fullagar (1984)...discordant U - P b age of 810 Ma, based upon five zircon samples from the rhyolitic Catoctin, Mount Rogers |  | | Report (chapter) | | Precambrian to earliest Cambrian rocks in eastern Canada, southern Britain, and northwest France. Examples...Saint John (New Brunswick), Cobequid Highlands (Nova Scotia), Burin Peninsula (Newfoundland), Malverns (England)...Bass River Complex/Gamble Brook Formation of Nova Scotia; Rosslare Complex/ Cullenstown Formation in SE...eastern side of mainland North America from Nova Scotia to Florida (e.g. Rast & Skehan 1983; Powell et...Avalon Superterrane (Rast & Skehan 1988). In Eastern Canada, the apparently 'suspect', i.e. transcurrent fault-displaced |  | | Journal (article/letter/editorial) | | 550-580 Ma magmatism in Cape Breton Island (Nova Scotia, Canada)" the product of NW-dipping subduction during...Saint Mary's University, Halifax, N.S. B3H 3C3, Canada b Department of Geology, Saint Francis Xavier University...B2G 2W5, Canada c Department of Earth Sciences, Carleton University, Ottawa, Ont. KIS 5B6, Canada Received...final amalgamation of Gondwana. Available detrital zircon ages in late Neoproterozoic ( ~ 650-545 Ma) sediments...occur in the Avalon Composite Terrane of Atlantic Canada (Fig. 1) have generally been correlated with northwest |  | | Journal (article/letter/editorial) | | Eastern North America. Eastern Canada (Newfoundland, Cape Breton, Nova Scotia, GaspĆ©, New Brunswick, Eastern...crystalline belt of the Eastern United States and Canada, in spite of all the attention it has received...similar character in the Boston basin and eastern Canada, as well as a further search for other regions...Irving,4 Van Hise5 and the present writer.6 In Canada igneous rocks have always been regarded abundant...of the Geol. Survey of Canada for 1877-78. A, p. 5. Trans. Roy. Soc. of Canada, Vol. I, p. 10, 1882. |
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