 | | Journal (article/letter/editorial) | | (2000) CORDIERITE – ANTHOPHYLLITE – CUMMINGTONITE ROCKS FROM THE LAR DEPOSIT, LAURIE LAKE, MANITOBA SALLY...Saskatchewan S7N 4G8 EDGAR FROESE§ Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8 EDWARD...assemblage cordierite–anthophyllite characterizes the alteration zone of the Lar Cu–Zn deposit in the Lynn...Lynn Lake volcanic belt, in Manitoba; in some altered rocks, cummingtonite is present as well. Under appropriate...550°–700°C), colinearity in the composition of cordierite, anthophyllite and cummingtonite, in the presence |  | | Journal (article/letter/editorial) | | AlterationGeochemistryand Petrologyof the Lar Cu-Zn Deposit, Lynn Lake Area, Manitoba, Canada SALLY R. ELLIOTT-MEADOWS*...Waterloo,Waterloo,Ontario,CanadaN2L 3G1 Abstract The Lar depositis a stratiformCu-Zn volcanogenic massive...ockslocatedabout 60 km southwest of LynnLake,Manitoba,withinthe southernarmof the LynnLakegreenstone...coarse-grained, hornfelsic-textured anthophyllite-cordierite ___ garnet assemblage, envelopedby a diffusezone...Introduction THE Lar property is locatedabout60 km southwest of Lynn Lake, Manitoba,just northof the |  | | Journal (article/letter/editorial) | | Metamorphic evolution of anthophyllite/cummingtonite-cordierite rocks from the upper unit of the Ordenes Complex...anthophyllite, which are found as microinclusions in cordierite crystals. This association indicates medium pressure...to low-pressure assemblage of anthophyllite, cordierite and garnet. The second type is represented by...amphibolitic gneisses formed mainly of cummingtonite, cordierite, andalusite and garnet. The first type of amphibolite...metamorphic evolution, anthophyllite, cummingtonite, cordierite, low-Ca amphibolites, Ordenes Complex, NW Spain |  | | Journal (article/letter/editorial) | | (Volkert, 2004). A-type granites of the Byram and Lake Hopatcong Intrusive Suites were emplaced at ca....formed during retrograde metamorphism. Although cordierite ED or garnet are common phases in nearly all...in both Oam gneiss bodies of this study, and cordierite has PT not been recognized in Mesoproterozoic...Activation M Laboratories (ACTLABS) in Ontario, Canada. Samples were pulverized to 95% -200 ED mesh...cordieritegedrite gneisses from the Archean massive sulfide deposit at Manitouwadge, Ontario have low 18O (WR) = 3 |  | | Journal (article/letter/editorial) | | (GL), Washington, D.C., and the University of Manitoba, Winnepeg 642 EVANS ET AL.: THERMODYNAMICS...University of Washington, and the University of Manitoba. UM UM TABLE 3. Site occupancies of anthophyllite...Stout, J.H. (1991) Cordierite-cummingtonite facies rocks from the Gold Brick District, Colorado. Journal...ite-cummingtonite rocks from the Lar deposit, Laurie Lake, Manitoba. Canadian Mineralogist, 37, 375–380...in the metamorphism of komatiites, Agnew nickel deposit, Western Australia. Contributions to Mineralogy |  | | Journal (article/letter/editorial) | | 2008.00791.x Quantitative phase petrology of cordierite–orthoamphibole gneisses and related rocks J....University of Mainz, D-55099 Mainz, Germany ABSTRACT Cordierite–orthoamphibole gneisses and rocks of similar...these rocks. Although the bulk compositions of cordierite–orthoamphibole gneisses are close to FMASH, calculations...aluminosilicate; anth, anthophyllite; bi, biotite; cd, cordierite; chl, chlorite; ctd, chloritoid; cu, cummingtonite;...staurolite; ta, talc. INTRODUCTION Over the years, cordierite–orthoamphibole gneisses (COG) have attracted |  | | Journal (article/letter/editorial) | | P E R Gregor Markl Mullite-corundum-spinel-cordierite-plagioclase xenoliths in the Skaergaard Marginal...both a granitic melt and very refractory spinel+cordierite+plagioclase±corundum residuals. Parts of these...imanite+ plagioclase+spinel+rutile±tridymite±cordierite and they reacted with the surrounding basalt...mullite and to the stable assemblage of spinel+cordierite+plagioclase+quartz+K-feldspar +magnetite+ilmenite...compositional data on Fe-Mg partitioning between cordierite and spinel under conditions of low pressure, |  | | Journal (article/letter/editorial) | | only present in cordierite-rich lithologies where it preferentially replaces M1 cordierite porphyroblasts...protoliths of the orthopyroxene-rich granulites were cordierite– orthoamphibole gneisses, rather than pelites...abbreviations: als, aluminosilicate; bi, biotite; cd, cordierite; g, garnet; ged, gedrite; H2O, aqueous fluid;...mineral assemblage consisting of orthopyroxene, cordierite, sillimanite, biotite, minor plagioclase, quartz...S009 is more cordierite rich than S012 and consists of 35% orthopyroxene and 20% cordierite, compared with |  | Bose, Sankar, Ghosh, Gautam, Kawaguchi, Kenta, Das, Kaushik, Mondal, Arnob Kumar, Banerjee, Aparupa (2021) Zircon and monazite geochronology from the Rengali-Eastern Ghats Province: Implications for the tectonic evolution of the eastern Indian terrane. Precambrian Research, 355. 106080pp. doi:10.1016/j.precamres.2020.106080 | Journal (article/letter/editorial) | | garnet (30–35 modal%), quartz (20–25 modal%), cordierite (15–18 modal%), orthopyroxene (10–14 modal%)...ilmenite (Table 1). Here, garnet + orthopyroxene + cordierite + K-feldspar + quartz form the M1 peak assemblage...within garnet porphyroblasts and matrix. Garnet + cordierite + quartz + K-feldspar (Fig. 4b) form the peak...outcrops. (b) Photomicrograph showing coarse cordierite (Crd) in association of garnet (Grt) and fibrous...PPL showing coarse garnet (Grt) surrounded by cordierite (Crd) and anthophyllite (Ant) in sample RNG 602 |  | | Book (edition) | | The vein association and some other hydrothermal deposit types, 21 3 17 Strata-bound deposits, 233 Part...nature and morphology of the principal types of ore deposit, 26 3 Textures and structures of ore and gangue...2: Examples of the more important types of ore deposit 6 Classification of ore deposits, 99 7 Diamond...difficulty explorationists now have in finding a viable deposit in an increasingly unfavourable economic climate...tonnage ofore required to provide an economic deposit. The general tendency in metalliferous mining during |  | | Book (edition) | | Gehlenite, Melilite, Å kermanite 72 Beryl 76 Cordierite 80 Tourmaline group 86 92 Dravite–Fluor-dravite...Science and Technology Mineralogical Association of Canada for figures from The Canadian Mineralogist The Mineralogical...metasomatized limestone, Blue Bell Mine, British Columbia, Canada (Mossman, D.J. & Pawson, D.J., 1976, Can. Min....metamorphism of the Biwabik IronFormation, East Mesabi district, Minnesota. Memoir of the Geological Society of...Dark red-brown zircon, North Burgess, Ontario, Canada (Palache, C. & Ellsworth, H.V., 1928, Amer. Min |  | | Journal (article/letter/editorial) | | million tons for Tishinskoe deposit and 11.3 million tons for Ridder–Sokol’noe deposit) or downgrading of 35...and largesize; 9b—average and smallsize; 10–11—deposit types: 10a—gold–bar ite–basemetal and proper...structural, and stratigraphic con trols of mineral deposit formation and localization within the Rudny Altai...mineral assem blages at each stage of mineral deposit formation, lack of evidence for metamorphic alteration...Second Rid der ore body of the Ridder–Sokol’noe deposit. The changes in the tectonic regime in the begin |  | | Book | | unifonnitarianism. Some of the sediments found in Canada, Norway, South Africa and Australia, are glacial...preserved; they were deposited 2800 my ago in a glacial lake of that time. Many of the metamorphic gneisses were...important iron ores of the Great Lakes area of Canada and the nickel ores of Sudbury. The bulk of the...Russian province of Perm proMillstone Grit is such a deposit). On these deltas de- vide the standard marine...Across Tethys Lausanne R. Rhone R.Sesio I I 1 Lake of Geneva I I 1MOLASSE-LAND PRE-ALPS HIGH CALCAREOUS |  | | Report (volume) | | be communicated. Frank C. Hawthorne, Winnipeg, Canada Roberta Oberti, Pavia, Italy Giancarlo Della Ventura...Geological Sciences University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada frank_hawthorne@umanitoba.ca...the same. ACKNOWLEDGMENTS FCH was supported by a Canada Research Chair in Crystallography and Mineralogy...Natural Sciences and Engineering Research Council of Canada. In addition, much of the work reviewed here was...NSERC Major Equipment Grants and by grants from the Canada Foundation for Innovation. RO was supported by |  | | Report (issue) | | Geology in relation to Tin mineralisation in Bastar district, Madbya Pradesh 8. -By K S. Murti, H. �. laiswa...relation to Tin and rare metal mineralisation. Bastar district, Madhya Pradesh. -By S. K. Bos�, M. Suryan:irayana...and Tantalum mi neralisation in Bastar 75- 80 district, Madhya Pradesh -By T. M. Babu 11. Some aspects...aspects of Tin mineralisation in Bastar district, Madhya Pradesh. 81- 88 -B. 'latyanarayana & S. K. Bose...distribution in granites and pegmatites of Bastar district, Madhya Pradesh. 89- 92 -By T. M. Babu & S. |
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