 | | Journal (article/letter/editorial) | | evolved hypabyssal kimberlite sills from Wemindji, Quebec, Canada: insights into the process of flow differentiation...emplaced in granite located near the town of Wemindji (Quebec, Canada) range from 2 cm to 1.2 m in thickness...include apatite, Sr-rich calcite, Nb-rich rutile, baddeleyite, monazite-(Ce) and barite. While some of these...kimberlite magma will crystallize these phases. The Wemindji kimberlites offer insight into the process of...macroscopic textural features observed in the Wemindji sills are interpreted to represent flow differentiation |  | Tappe, Sebastian, Brand, Natalie B., Stracke, Andreas, van Acken, David, Liu, Chuan-Zhou, Strauss, Harald, Wu, Fu-Yuan, Luguet, Ambre, Mitchell, Roger H. (2017) Plates or plumes in the origin of kimberlites: U/Pb perovskite and Sr-Nd-Hf-Os-C-O isotope constraints from the Superior craton (Canada) Chemical Geology, 455. 57-83 doi:10.1016/j.chemgeo.2016.08.019 | Journal (article/letter/editorial) | | Sr-Nd-HfOs-C-O isotope constraints from the Superior craton (Canada) Sebastian Tappe, Natalie B. Brand, Andreas Stracke...Sr-Nd-Hf-Os-C-O isotope constraints from the Superior craton (Canada), Chemical Geology (2016), doi: 10.1016/j.chemgeo...SR-ND-HF-OS-C-O ISOTOPE CONSTRAINTS FROM THE SUPERIOR CRATON (CANADA) PT Sebastian Tappe a *, Natalie B. Brand a,...955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada * AC Corresponding author (S.Tappe): Department...629 Ma ‘barren’ Wemindji kimberlites on the eastern Superior craton in Quebec, Canada. 1 ACCEPTED MANUSCRIPT |  | Abersteiner, Adam, Kamenetsky, Vadim S., Goemann, Karsten, Giuliani, Andrea, Howarth, Geoffrey H., Castillo-Oliver, Montgarri, Thompson, Jay, Kamenetsky, Maya, Cherry, Alexander (2019) Composition and emplacement of the Benfontein kimberlite sill complex (Kimberley, South Africa): Textural, petrographic and melt inclusion constraints. Lithos, 324. 297-314 doi:10.1016/j.lithos.2018.11.017 | Journal (article/letter/editorial) | | thickness from 0.25 to 5m. New perovskite and baddeleyite U/Pb PT dating produced ages of 85.7 ± 4.4...composed of monticellite, spinel, perovskite, baddeleyite, ilmenite, apatite, calcite, dolomite AC C ...(Zimbabwe; Hawthorne, 1968), Amon (Canada; Tappe et al., 2014), Wemindji (Canada; Zurevinski and Mitchell, 2011)...a lesser extent perovskite, along with rare baddeleyite and ilmenite, (ii) olivine-rich layers, with...euhedral oxide phases (i.e. spinel, perovskite, baddeleyite), apatite and interstitial serpentine and calcite |  | | Journal (article/letter/editorial) | | Edmonton, Alberta, Canada T6G 2E3 b Geological Survey of Canada, Ottawa, Canada K1A 0E8 Received 21...Mesoproterozoic kimberlites in the Lake Superior and James Bay Lowlands region of Ontario to Eocene kimberlites...more than 4000 km from Somerset Island in northern Canada through the Fort à la Corne field in Saskatchewan...for kimberlites and related rocks, especially in Canada. The number of new kimberlite discoveries continues...results for two kimberlites in eastern Canada (Notre Dame du Nord, Kyle Lake #1) are presented here. Most |  | Zhang, Dongyang, Zhang, Zhaochong, Santosh, M., Cheng, Zhiguo, He, Huang, Kang, Jianli (2013) Perovskite and baddeleyite from kimberlitic intrusions in the Tarim large igneous province signal the onset of an end-Carboniferous mantle plume. Earth and Planetary Science Letters, 361. 238-248 doi:10.1016/j.epsl.2012.10.034 | Journal (article/letter/editorial) | | www.elsevier.com/locate/epsl Perovskite and baddeleyite from kimberlitic intrusions in the Tarim large...spectrometric U–Pb age data on perovskite and baddeleyite grains in a kimberlitic pipe and a kimberlitic...common Pb contribution, of about 300 Ma. The baddeleyite separated from two kimberlitic samples from a...from perovskite and baddeleyite, as well 239 as phlogopite Sr–Nd and baddeleyite Lu–Hf isotopic data...diamondbearing rock reported in Xinjiang (Fig. 1b, c; Du, 1983). The kimberlitic cluster trends NWW-SEE within |  | Aulbach, S., Creaser, Robert A., Stachel, Thomas, Heaman, Larry M., Chinn, Ingrid L., Kong, Julie (2018) Diamond ages from Victor (Superior Craton): Intra-mantle cycling of volatiles (C, N, S) during supercontinent reorganisation. Earth and Planetary Science Letters, 490. 77-87 doi:10.1016/j.epsl.2018.03.016 | Journal (article/letter/editorial) | | Alberta, Earth and Atmospheric Sciences, Edmonton AB, Canada Institut für Geowissenschaften, Goethe-Universität...Exploration, Southdale, South Africa d De Beers Canada, Toronto, Canada b a r t i c l e i n f o Article history:...Attawapiskat kimberlite cluster, located ∼100 km SW of James Bay (Fig. 1). There, the diamond inclusion suite...and related magmatism in the Superior Craton The James Bay area of the Superior Craton hosts a number of...et al., 2013; Tappe et al., 2017). Southwest of James Bay are the ∼1.1 Ga Kyle Lake kimberlites, 236 Ma |  | Castillo-Oliver, Montgarri, Giuliani, Andrea, Griffin, William L., O’Reilly, Suzanne Y., Drysdale, Russell N., Abersteiner, Adam, Thomassot, Emilie, Li, Xian-Hua (2020) New constraints on the source, composition, and post-emplacement modification of kimberlites from in situ C–O–Sr-isotope analyses of carbonates from the Benfontein sills (South Africa) Contributions to Mineralogy and Petrology, 175 (4) doi:10.1007/s00410-020-1662-7 | Journal (article/letter/editorial) | | been described in other kimberlites including the Wemindji sills (Zurevinski and Mitchell 2011), the Wesselton...85.7 ± 4.4 Ma, Abersteiner et al. 2019) and baddeleyite (86.5 ± 2.6 Ma, Abersteiner et al. 2019) have...de Gras, Slave Province, Northwest Territories, Canada. Lithos 76:415–433. https://doi.org/10.1016/j...Short Course Series. Mineralogical Association of Canada, pp 204–207 Griffin WL, Batumike JM, Greau Y et...Short Course Series. Mineralogical Association of Canada, pp 75–96 Contributions to Mineralogy and Petrology |  | Giuliani, Andrea, Tappe, Sebastian, Rooney, Tyrone O., McCoy-West, Alex J., Yaxley, Gregory M., Mezger, Klaus (2017) Editorial: The role of intraplate magmas and their inclusions in Earth’s mantle evolution. Chemical Geology, 455. 1-5 doi:10.1016/j.chemgeo.2017.03.019 | Journal (article/letter/editorial) | | , (this volume) combine new U-Pb zircon and baddeleyite ages for Ferrar dolerites from Tasmania with...Neoproterozoic kimberlites from eastern Canada (Renard and Wemindji clusters). Their data, which include...pyroxenite xenoliths from the northern Slave craton in Canada from a wide range of equilibration pressures. Geochemical...mantle lithosphere, Voyageur kimberlite, Arctic Canada. Chemical Geology, this volume. Spetsius, Z.V....Sr-Nd-Hf-Os-C-O isotope constraints from the Superior craton (Canada). Chemical Geology, this volume. Trestrail, K.R |  | | Journal (issue) | | Gilbertson, Ron H. Geurts, Barak D. Green, and James E. Shigley GIA’s latest research on diamond cut...REGULAR FEATURES 212 Gem Trade Lab Notes •Gem baddeleyite •Conch “pearls” •13 ct datolite •Carved “Hamsa”...California John I. Koivula Carlsbad, California James E. Shigley Carlsbad, California Henry A. Hänni... Switzerland A. A. Levinson Calgary, Alberta, Canada Christopher P. Smith Lucerne, Switzerland C....Gilbertson, Ron H. Geurts, Barak D. Green, and James E. Shigley This article presents the latest results |  | Soltys, Ashton, Giuliani, Andrea, Phillips, David, Kamenetsky, Vadim S., Maas, Roland, Woodhead, Jon, Rodemann, Thomas (2016) In-situ assimilation of mantle minerals by kimberlitic magmas — Direct evidence from a garnet wehrlite xenolith entrained in the Bultfontein kimberlite (Kimberley, South Africa) Lithos, 256. 182-196 doi:10.1016/j.lithos.2016.04.011 | Journal (article/letter/editorial) | | spinel grains from kimberlites worldwide (Russia, Canada and Greenland) contain Ca-Mg and (Na-K)-rich carbonates...sampled by the A154 MA kimberlite (Lac de Gras, Canada – Araujo et al., 2009; van Achterbergh et al.,...magmatic olivine rims in the Ekati kimberlites (Canada) to olivine ED crystallisation coupled with orthopyroxene...clinopyroxene from the A154 kimberlite (Lac de Gras, Canada) PT that exhibit broadly similar microtextures...and Ca-Ba carbonates associated with apatite, baddeleyite, Ce-monazite, Nb-rutile, Ba-Fe titanates, strontiobarite |  | Munteanu, Marian, Wilson, Allan H., Costin, Gelu, Yao, Yong, Lum, Jullieta Enone, Jiang, Shao-Yong, Jourdan, Fred, Chunnett, Gordon, Cioacă, Mihaela-Elena (2017) The Mafic–Ultramafic Dykes in the Yanbian Terrane (Sichuan Province, SW China): Record of Magma Differentiation and Emplacement in the Emeishan Large Igneous Province. Journal of Petrology, 58 (3) 513-538 doi:10.1093/petrology/egx025 | Journal (article/letter/editorial) | | magnetite and silicates, sphalerite in pyroxene, baddeleyite in pyrrhotite and monazite in hornblende. SAMPLING...Archaean volcanic rocks, Abitibi Greenstone belt, Canada. Precambrian Research 115, 311–328. Ghiorso, M...Letters 88, 321–329. Hou, T., Zhang, Z. C., Kusky, T., Du, Y. S., Liu, J. L. & Zhao, Z. D. (2011). A reappraisal...119, 20–33. Tao, Y., Li, C., Hu, R., Ripley, E. M., Du, A. & Zhong, H. (2007). Petrogenesis of the Pt–Pd...Neoproterozoic Amon kimberlite sills, Baffin Island (Canada): evidence for deep mantle magmatic activity linked |  | | Book | | ............................ 4 NORTH AMERICA Canada..................................................exploration in particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for...style adopted for Currie's 'The Alkaline Rocks of Canada' (1976) and the descriptions of carbonatites compiled...pathoidal rocks of the Haliburton-Bancroft area of Canada. Kimberlites are not included, partly because they...sequence, for example for the Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e |
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