 | | Report (issue) | | Survey of Canada Miscellaneous Report 39 Bancroft - Parry Sound area and Southern Ontario Ann P. Sabina...Sabina L 1*1 Natural Resources Canada Ressources naturelles Canada 1986 CanadZ L COVER Left: Betafite...Collection specimen No. 42584. National Museum of Canada photo No. 1168B. Note: actual specimen is dark...Collection specimen No. 36463. National Museum of Canada photo No. 1361. Note: actual specimen is grey with...with pink cast. Geological Survey of Canada Miscellaneous Report 39 ROCKS AND MINERALS FOR THE COLLECTOR |  | | Report (issue) | | GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the âContentâ) is governed... copyright is held by the Queenâs Printer for Ontario. It is recommended that reference to the Content... . ; Ontario Geological Survey, ...670-5691 Toll Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Local: (705) 670-5691 Toll Free:...(inside Canada, United States) Local: (416) 326-2678 Toll Free: 1-800-668-9938 (inside Canada, United |  | | Book | | of that dealing simply ,;vith descriptions of properties or with listings of occurrences has not been... . . . . . . . . . . . . . . . . . . . . . . Properties .... . .. ~- . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . . Canada . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . Thorite Veins and Breccia Pipes . . . . . . . . . . . ...... ... .................. . .. . .... . Middle East ........ . . . ...... . . . .............. . .. |  | | Journal (article/letter/editorial) | | magmatic precursor minerals such as columbite and zircon by F-rich deuteric solutions that were retained...distributions show strong enrichment in HREE. Gel-zircon is the principal residence of the HREE, disseminated...The Brockman rare-metals deposit, located in the East Kimberley region of Western Australia (Fig. 1),...kilometres (Fig. 1). Dips are near vertical or steeply east on the western flank of the syncline and steep to...35 metres, gradually thickening down-dip to the east where the source volcanic vent is believed to be |  | | Journal (article/letter/editorial) | | Typology, chemistry and origin of zircon 299 N. Jb. Miner. Abh. 2008, Vol. 184/3, p. 299â313, Stuttgart...Verlagsbuchhandlung 2008 Typology, chemistry and origin of zircon from alkali basalts of SE Saxony (Germany) Wolfgang...and 7 tables Abstract: To clarify the origin of zircon from Tertiary alkali basalts from SE Saxony (Germany)...placer (Elbe zone) essentially distinguish two zircon types crystallized in an alkaline environment:...drop-like, rounded, honey-coloured, gem-quality zircon relatively poor in trace elements, and a (II) mostly |  | | Journal (article/letter/editorial) | | : 10.2113/gscanmin.45.3.509 THE COMPOSITION OF ZIRCON IN THE PERALUMINOUS HERCYNIAN GRANITES OF THE SPANISH...Wien, Austria Abstract We have investigated the zircon from granites of the Spanish Central System (SCS)...compositional evolution of zircon. We recognize two types of magmatic zircon. Type-1 zircon consists of euhedral...euhedral and elongate crystals showing an oscillatory zoning, usually hosted in the early major minerals,...in granodiorite and monzogranite plutons. Type-2 zircon is characterized by smaller and more equant crystals |  | RASLAN, Mohamed F., EL-SHALL, Hassan E., OMAR, Sayed A., DAHER, Ahmed M. (2010) Mineralogy of polymetallic mineralized pegmatite of Ras Baroud granite, Central Eastern Desert, Egypt. Journal of Mineralogical and Petrological Sciences, 105 (3) 123-134 doi:10.2465/jmps.090201 | Journal (article/letter/editorial) | | economic minerals. These minerals include zircon, thorite, phlogopite mica, and columbite, in addition...Y mineral. Thorite was found as numerous inclusions of variable size and pattern in zircon. Electron microprobe...- - - - - - Keywords: Samarskite Y, Zircon and thorite inclusions, Ras Baroud granitic pegmatite...metal mineralizations including Nb Ta oxides and zircon (e.g., Matsubara et al., 1995; Hanson et al., 1998;...Pegmatitic bodies in Wadi El Baroud area. (D) Sketches showing the studied pegmatites in Ras Baroud granitic mass |  | | Journal (article/letter/editorial) | | Simulation of thermodynamic mixing properties of actinide-containing zircon solid solutions E.D.A. FErriss... ABstrACt Solid solutions among zircon (ZrSiO4, I41/amd) and zircon-structured orthosilicates ASiO4 (A...electronic materials. The thermodynamic mixing properties of the following seven binary solid solutions...CeO2(cerianite), or UO2(uraninite). Isostructural thorite (ThSiO4) is calculated to be marginally stable...temperatures, exsolution textures would appear in most zircon solid solutions perpendicular to [001], but perpendicular |  | Liu, Yan, Hou, Zengqian, Zhang, Rongqing, Wang, Ping, Gao, Jianfeng, Raschke, Markus B. (2019) Zircon Alteration as a Proxy for Rare Earth Element Mineralization Processes in Carbonatite-Nordmarkite Complexes of the Mianning-Dechang Rare Earth Element Belt, China. Economic Geology, 114 (4) 719-744 doi:10.5382/econgeo.4660 | Journal (article/letter/editorial) | | Economic Geology, v. 114, no. 4, pp. 719â744 Zircon Alteration as a Proxy for Rare Earth Element Mineralization...Colorado, Boulder, Colorado 80309, USA Abstract Zircon is a common accessory mineral in igneous rocks...the formation of the REE deposits. Three types of zircon from fresh and altered nordmarkite were identified...ore-forming fluids and show a transition to hydrothermal zircon. Type I, type II, and type III zircons have DaT...damage. However, the Raman frequency of type III zircon can reach 991 cmâ1 with a line width of 28 cmâ1 |  | | Journal (article/letter/editorial) | | Re-equilibration of Zircon in Aqueous Fluids and Melts Thorsten Geisler1, Urs Schaltegger2, and Frank...Frank Tomaschek1 N atural zircon crystals often show complex secondary textures that cut across primary...primary growth zones. In zircon showing structural damage caused by self-irradiation, such textures are the...In both aqueous fluids and melts, replacement of zircon with undamaged structure by a coupled dissolutionâ...Both processes have considerable implications for zircon geochronology. state diffusionâreaction process |  | Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81 | Journal (article/letter/editorial) | | Lake Rare Metal Deposit, Northwest Territories, Canada EMMA R. SHEARD,1,â ANTHONY E. WILLIAMS-JONES,1...University, 3450 University Street, Montreal, Quebec, Canada H3A 2A7 2 Avalon Rare Metals Inc., 130 Adelaide...Adelaide Street West, Suite 1901, Toronto, Ontario, Canada M5H 3P5 Abstract The Thor Lake rare metal (Zr...Lake zone), and in which Zr is hosted primarily by zircon, Nb primarily by ferrocolumbite and fergusonite-(Y)...fergusonite-(Y), and HREE by fergusonite-(Y) and zircon. The LREE are present mainly in monazite-(Ce), allanite-(Ce) |  | Su, Hui-Min, Jiang, Shao-Yong, Zhu, Xin-You, Duan, Zhen-Peng, Huang, Xing-Kai, Zou, Tao (2021) Magmatic-hydrothermal processes and controls on rare-metal enrichment of the Baerzhe peralkaline granitic pluton, inner Mongolia, northeastern China. Ore Geology Reviews, 131. 103984pp. doi:10.1016/j.oregeorev.2021.103984 | Journal (article/letter/editorial) | | 107â18.464) and 207Pb/204Pb ratios (15.497â15.549), showing that they were probably derived from a common juvenile...Loparite Monzonite Pyrochlore Synchysite-(Ce) Thorite Zircon Bast-(Ce) Cst Col-(Fe) Flc Gad-(Ce) Gad-(Y)...(Xingâan-Mongolia) Orogenic Belt, which constitutes the east part of the CAOB, represents a collage of three...in laparite, columbite(Fe), and pyrochlore, and zircon is the only ore mineral for Zr. Table 1 lists the...into the East body (ca. 0.3 km2) and West body (ca. 0.1 km2) at the surface (Fig. 1c). The East body of |  | Zamyatin, Dmitry A., Shchapova, Yuliya V., Votyakov, Sergey L., Nasdala, Lutz, Lenz, Christoph (2017) Alteration and chemical U-Th-total Pb dating of heterogeneous high-uranium zircon from a pegmatite from the Aduiskii massif, middle Urals, Russia. Mineralogy and Petrology, 111 (4) 475-497 doi:10.1007/s00710-017-0513-3 | Journal (article/letter/editorial) | | U-Th-total Pb dating of heterogeneous high-uranium zircon from a pegmatite from the Aduiskii massif, middle...U-Th-Pb isotope system in the accessory mineral zircon may be disturbed, as for instance by the secondary...micro-analyser (EPMA). Here we present the example of high-U zircon samples from a granite pegmatite from the Aduiskii...variation of BSE and CL intensities in amorphous high-U zircon is controlled by its chemical composition and the...alteration . Signs of alteration . Chemical dating . Zircon . Uranium . Uranyl . Water content . BSE and CL |  | Sun, Yi, Schmitt, Axel K., HĂ€ger, Tobias, Schneider, Marcus, Pappalardo, Lucia, Russo, Massimo (2021) Natural blue zircon from Vesuvius. Mineralogy and Petrology, 115 (1). 21-36 doi:10.1007/s00710-020-00727-7 | Journal (article/letter/editorial) | | 1007/s00710-020-00727-7 ORIGINAL PAPER Natural blue zircon from Vesuvius Yi Sun 1,2 & Axel K. Schmitt 1...15 October 2020 # The Author(s) 2020 Abstract Zircon from syenitic ejecta of Vesuvius (Campania, Italy)...Italy) is unusually blue, a property shared with gem zircon from Ratanakiri province (Cambodia), which turns...exposure was tested using Ratanakiri zircon as a control. Vesuvius zircon contains vesiculated zones with...and pyrochlore-group minerals), while homogeneous zircon domains are high in Th and U (up to 5.9 and 1.8 |  | | Journal (article/letter/editorial) | | Chemical Geology 158 Ćœ1999. 325â333 ThrU zonation in zircon derived from evaporation analysis: a model and...December 1997; accepted 5 March 1999 Abstract Zircon evaporation analyses often exhibit the existence...directly reflect changing ThrU ratios within different zircon domains which are probed at different evaporation...reflecting the magmatic growth zonation in the zircon crystal. Constant ThrU over several evaporation...characteristic for homogeneous zircon domains which probably originate from zircon recrystallisation or growth |  | | Journal (issue) | | Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino Royal Ontario Museum Toronto...Toronto , Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann Arbor, Ml...Ml Andrew C. Roberts Geol. Surv. of Canada Ottawa George W. Robinson Seaman Mineral Museum, MTU Houghton...INTRODUCTION The Riddarhyttan ore field is situated in the county of Vastmanland, south-central Sweden, about 70...a rich zone 187 Figure 1. Location map showing the county of Vastmanland and the Riddarhyttan ore field |  | | Journal (article/letter/editorial) | | Research Corporation, Box 446, La Habra, Calif. Zircon and Other Accessory Minerals, Coast Range Batholith...heavy-mineral analyses and statistical studies of zircon morphology the author has tried to correlate a...of central California and the Farallon Islands. Zircon-elongation data, analyzed by reduced major axis...correlated. A distinctive elongation trend for zircon in granite represents crystallization under different...simple differentiates of the quartz diorite magma. Zircon in gabbro and in mafic xcnoliths in quartz diorite |  | | Journal (issue) | | Mozambique| Chondrodite from Tanzania| Purple garnets from East Africa|Green prase opal from Tanzania|Trapiche ruby...slices from Myanmar|Wurtzite from Tanzania|Star zircon| Amber processing in Lithuania|Shungite|Gem-set...and Katrien De Corte 692 Age Determination of Zircon Inclusions in Faceted Sapphires By Klemens Link...Groat, University of British Columbia, Vancouver, Canada; Thomas Hainschwang, GGTL Laboratories, Balzers...Gemmologisches Institut Hamburg, Germany; Tay Thye Sun, Far East Gemological Laboratory, Singapore; Pornsawat Wathanakul |  | | Journal (article/letter/editorial) | | et al., 1999), a region characterized by multiple east to northeast-trending thrust faults formed during...The most common accessory minerals are ilmenite, zircon and fluorite. The bastnaesite-bearing veins are...the Himalayan foothills of Northern Pakistan, showing the locations of Peshawar and Zagi Mountain. MCT...Genthelvite Microcline Quartz Riebeckite Thorite Titanite Zircon (?) NaFeSi2O6 NaAlSi3O8 (K,Na)3(Fe,Mn)7Ti2Si8O24(O...lustrous, dark honey-colored crystals to 3.5 cm, showing the dodecahedron, tetrahexahedron, and minor rough |  | Bastos Neto, A. C., Pereira, V. P., Ronchi, L. H., de Lima, E. F., Frantz, J. C. (2009) THE WORLD-CLASS Sn, Nb, Ta, F (Y, REE, Li) DEPOSIT AND THE MASSIVE CRYOLITE ASSOCIATED WITH THE ALBITE-ENRICHED FACIES OF THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT, AMAZONAS STATE, BRAZIL. The Canadian Mineralogist, 47 (6) 1329-1357 doi:10.3749/canmin.47.6.1329 | Journal (article/letter/editorial) | | transported by F-bearing complexes in the melt. Zircon crystallization, inhibited at the early magmatic...twinned cryolite (87%) plus quartz, feldspar, and zircon from an aqueous saline (1.7 to 22.4 wt% equiv....par des complexes fluorĂ©s. La cristallisation du zircon, non favorisĂ©e au stade magmatique prĂ©coce par...lâalcalinitĂ© due Ă la cristallisation de la riebeckite; le zircon, en association avec le xĂ©notime et la polylithionite...maclĂ©s de cryolite (87%) plus quartz, feldspath, et zircon Ă partir une phase fluide saline (entre 1.7 et |  | | Book (edition) | | Washington, D.C. § Queenâs University, Kingston, Ontario W. H. Freeman and Company SAN FRANCISCO AND...have emphasized the interrelations of physical properties, crystal structure, and chemical composition...Optical properties. Cleavage and fracture. Hardness. Magnetic properties. Electrical properties. Surface...Surface properties. Radioactivity. 99 5 The Genesis of Minerals 12.) Chemical composition of the earthâs...application to the determination of the optical properties of minerals from about 1870 on, placed a new |  | Utsunomiya, Satoshi, Palenik, Chris S., Valley, John W., Cavosie, Aaron J., Wilde, Simon A., Ewing, Rodney C. (2004) Nanoscale occurrence of Pb in an Archean zircon. Geochimica et Cosmochimica Acta, 68 (22) 4679-4686 doi:10.1016/j.gca.2004.04.018 | Journal (article/letter/editorial) | | 04.018 Nanoscale occurrence of Pb in an Archean zircon SATOSHI UTSUNOMIYA,1 CHRIS S. PALENIK,1 JOHN W...Geological Sciences, University of Michigan, 425 East University Avenue, Ann Arbor, MI 48109-1063, USA...direct, atomic-scale characterization of Pb in zircon (4.4 â3.1 Ga) from the early Archean Yilgarn craton...concentrated at âŹ3 atom% as a nanoscale patch in zircon structure, and Pb concentrated within the amorphous...the Pb atoms directly substitute for Zr4â«č in the zircon structure, and the latter observation demonstrates |  | | Journal (article/letter/editorial) | | geothermometers calibrated for trace elements in rutile (Zr), zircon (Ti), and quartz (Ti) were used to determine mineral-formation...probably more reliable age data (207Pb/206Pb single-zircon evaporation) obtained for the weakly cataclastically...flakes, undulatory extinction of quartz, and broken zircon crystals. This overprinting is suggested to be...e mode. The conditions for routine analyses of zircon and the REE minerals included an acceleration voltage...purpose of geothermometry, Ti and Zr measurements in zircon and rutile, respectively, were conducted using |  | Wu, Ming-qian, Tian, Bao-feng, Zhang, De-hui, Xu, Guo-zhan, Xu, Wen-xi, Qiu, Kun-feng (2018) Zircon of the No. 782 deposit from the Great Xingâan Range in NE China: Implications for Nb-REE-Zr mineralization during magmatic-hydrothermal evolution. Ore Geology Reviews, 102. 284-299 doi:10.1016/j.oregeorev.2018.09.006 | Journal (article/letter/editorial) | | Accepted Manuscript Zircon of the No. 782 deposit from the Great Xingâan Range in NE China: Implications... Tian, D-h. Zhang, G-z. Xu, W-x. Xu, K-f. Qiu, Zircon of the No. 782 deposit from the Great Xingâan Range...disclaimers that apply to the journal pertain. 1 Zircon of the No. 782 deposit from the Great Xingâan Range...Sciences, University of Windsor, Windsor, Ontario, N9B 3P4, Canada c 10 State Key Laboratory of Geological...granite (granite) that dominates the study area. Zircon is the only Zr-bearing mineral in both the porphyry |  | Domnick, Urs, Cook, Nigel J., Bluck, Russel, Brown, Callan, Ciobanu, Cristiana L. (2018) Petrography and geochemistry of granitoids from the Samphire Pluton, South Australia: Implications for uranium mineralisation in overlying sediments. Lithos, 300. 1-19 doi:10.1016/j.lithos.2017.11.031 | Journal (article/letter/editorial) | | west from the ~1.85 Ga Donington Suite in the south east, and on a broader scale, separating NU the western... and the pluton focused on in this study in the east, informally called the Samphire or Mullaquana pluton...the larger part of the basement to the south and east of the CE pluton as indicated by geophysics. This...pluton. These have been dated by D SHRIMP U-Pb zircon methods, yielding ages of 1583±4 Ma for the green...allanite, zircon, fluorapatite, magnetite, ilmenite, titanite, AC uranothorite (U-rich thorite), and trace |
|
Zircon showing, Saranac properties, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada