| | Journal (article/letter/editorial) | Primitive Magma From the Jericho Pipe, N.W.T., Canada: Constraints on Primary Kimberlite Melt Chemistry S. E...UNIVERSITY OF BRITISH COLUMBIA, VANCOUVER, B.C., CANADA, V6T 1Z4 RECEIVED APRIL 23, 1999; REVISED TYPESCRIPT...primary kimberlite melt composition from the Slave craton, based on samples of aphanitic kimberlite from...from the Jericho kimberlite pipe, N.W.T., Canada. Three samples derive from the margins of dykes where kimberlite...CO2 (10–17 wt %). Relative to bulk macrocrystal kimberlite, they have lower mg-numbers and lower MgO but | | Kamenetsky, Vadim S., Kamenetsky, Maya B., Weiss, Yakov, Navon, Oded, Nielsen, Troels F.D., Mernagh, Terrence P. (2009) How unique is the Udachnaya-East kimberlite? Comparison with kimberlites from the Slave Craton (Canada) and SW Greenland. Lithos, 112. 334-346 doi:10.1016/j.lithos.2009.03.032 | Journal (article/letter/editorial) | Udachnaya-East kimberlite? Comparison with kimberlites from the Slave Craton (Canada) and SW Greenland...2009 Available online 31 March 2009 Keywords: Kimberlite Olivine Melt inclusions Alkali carbonates Chlorine...Contrary to existing dogma that the Udachnaya-East kimberlite was either contaminated by the crustal sediments...idea of alkali- and chlorine enrichment of the kimberlite parental melt by studying olivine-hosted melt...in kimberlites from the Slave Craton, Canada (Gahcho Kué, Jericho, Aaron and Leslie pipes) and southern | | | Journal (article/letter/editorial) | Peridotite and Pyroxenite Xenoliths from the Jericho Kimberlite: Implications for the Thermal State of the...the Mantle beneath the Slave Craton, Northern Canada M. G. KOPYLOVA1∗, J. K. RUSSELL1 AND H. COOKENBOO2...UNIVERSITY OF BRITISH COLUMBIA, VANCOUVER, B.C., CANADA, V6T 1Z4 2 CANAMERA GEOLOGICAL LTD, 399 MOUNTAIN...MOUNTAIN HIGHWAY, NORTH VANCOUVER, B.C., CANADA, V6B 2M9 RECEIVED NOVEMBER 21, 1997; REVISED TYPESCRIPT ACCEPTED...following types of mantle xenoliths from the Jericho kimberlite in the Slave craton: (1) coarse peridotite; | | | Book | © 2011 Royal Ontario Museum, Toronto, Ontario, Canada. All rights reserved. No part of this publication...Cataloging-in-Publication Data (U.S.) Library and Archives Canada Cataloguing in Publication Tait, Kimberly. Tait...States by Firefly Books (U.S.) Inc. Published in Canada by Firefly Books Ltd. PO. Box 1338, Ellicott Station...at the Royal Ontario Museum, Toronto, Ontario, Canada. Photography: Brian Boyle, MPA, FPPO, and Miguel...publishing program by the Government of Canada through the Canada Book Fund as administered by the Department | | | Journal (article/letter/editorial) | University, 3450 University Street, Montreal, Quebec, Canada H3A 2A7 Abstract The Earth’s continents are cored...mantle. Low-temperature mantle xenoliths from kimberlite pipes indicate that the shallow parts of these...composition of Fig. 1. Radar mosaic map of northwestern Canada showing the locations of mantle xenolith localities...Cordillera, the Jericho kimberlite pipe in the Slave Province, and the Nikos kimberlite pipe of Somerset...unimodal Cordilleran xenolith suites—black circles, Jericho pipe and Nikos pipes—white triangles. D. Francis | | | Journal (article/letter/editorial) | (MgSiO3), magnesiochromite (MgCr 2 O 4 ) and forsterite (Mg2SiO4) were synthesised previously and details...runs. Kn = knorringite (Mg3Cr2Si3O12), For = forsterite (Mg2SiO4), Sp = magnesiochromite (MgCr2O4), En...uncertainties. Kn = knorringite (Mg3Cr2Si3O12), For = forsterite (Mg2SiO4), Sp = magnesiochromite (MgCr2O4), En...orthopyroxene in equilibrium with spinel and forsterite in the system MgO – Al2O3 – SiO2. Contrib. Mineral...the lithospheric mantle beneath the Siberian kimberlite province. Tectonophysics 310, 1 – 35. Hales, | | | Journal (article/letter/editorial) | Geophysics, The University of Calgary, Calgary, AB, Canada T2N 1N4 Research Institute for Geochemical Dynamics...University of British Columbia, Vancouver, BC, Canada V6T 1Z4 Received 30 March 2003; received in revised...eclogite xenoliths occur with diamond-bearing kimberlite. The modes and mineral compositions of eclogite...mantle eclogite xenoliths occur in diamond-bearing kimberlite. Eclogite is likely distributed throughout cratonic...Fe-tschermak pyroxene, jadeite, enstatite, ferrosilite, forsterite, fayalite, pyrope, almandine, and grossular. | | | Journal (article/letter/editorial) | Geoscience, University of Calgary, Calgary, Alberta, Canada T2N 1N4 a r t i c l e i n f o Article history:...part of the Slave craton and beneath the Kimberley region of the Kaapvaal craton based on known petrologically-observed...the Lac de Gras region of Slave craton (northern Canada) and below the Kimberley region of the Kaapvaal...depletion of this layer. In contrast, the Kimberley region of the Kaapvaal craton exhibits far more uniform...(2006) are the most pertinent. Olivine ranges from forsterite (Mg# of 100) to fayalite (Mg# of 0), and garnet | | | Journal (article/letter/editorial) | Columbia, 6339 Stores Rd, Vancouver, BC V6T 1Z4, Canada e-mail: cmiller@eos.ubc.ca J. Ryder Dianor Resources...649 3rd Avenue, 2nd Floor, Val-d’Or, QC J9P 1S7, Canada 150 km by the Jurassic, when the mantle was heated...fluids. Keywords Diamond inclusion Neoarchean kimberlite Southern Superior Tectonic erosion Cratonic...Manitouwadge-Hornepayne; 3 Shebandowan; 4 Winston Lake; 5 Michipicoten. The Wawa metaconglomerate host...(1) Kirkland Lake (Heaman and Kjarsgaard 2000; Heaman et al. 2004) (2) Wawa kimberlite (Kaminsky et al | | | Book | org/details/seventhinternati07inte SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE Cape Town, April 1998 EXTENDED ABSTRACTS...Organising Committee of the 7th International Kimberlite Conference takes no responsibility for authors’...omissions. SOUTH AFRICA SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE SPONSORS The 7IKC Organising Committee...recently discovered kimberlites of the Siberian kimberlite province. 9 K - rich clinopyroxenes as mantle...Chromite Macrocrysts and their Inclusions, Guaniamo Kimberlite Field, Venezuela. Primary and related diamond | | | Journal (article/letter/editorial) | 70–66 Myr ago. The present‐day heat flux in the region is about 55–60 mW m−2. The position of the Moho...beginning of the continental compression in the region. Citation: Bagdassarov, N., V. Batalev, and V....2005]. Knowledge of the xenolith geotherm in the region is essential for reconstructions of the former...thickening and intracontinental mountain building in the region with higher temperatures on the Moho discontinuity...the MT study along the north‐south profile in the region [Bielinski et al., 2003]. 3. Basalt Sites [7] | | | Book | Society (Fig. 2.14), Mineralogical Association of Canada (Fig. 9.23), Mineralogical Society of America (Fig...molecular scale – of two compounds, Mg2SiO4 (forsterite, often abbreviated to Fo) and Fe2SiO4 (fayalite...(FeO)2(SiO2). Doing so makes clear that one molecule of forsterite (Mg2SiO4), for example, is made by combining... see Fig. 1.5); the dashed lines delineate the region of overlap between alkali and subalkali basalts...may also form near the base of a lava flow; such pipe vesicles (Fig. 2.8b) result from the upward invasion | | | Book | garnet peridotite xenolith from the Monastery kimberlite in South Africa. Polarizers are only partially...2, France D. Canil University of Victoria, BC, Canada M. J. Drake University of Arizona, Tucson, AZ,...USA R. W. Luth University of Alberta, Edmonton, Canada W. F. McDonough University of Maryland, College...pressure, temperature, and composition of the melting region or magma chamber changes during progressive melting...iron surrounded by a mixed iron—olivine zone. The region overlying the core contained material similar to | | | Report (volume) | more than 10,000 prospectors to the semi-desert region, and inevitably led to the recognition of diamond...diamond in their volcanic host rock, dubbed kimberlite (Davies 1984; Hazen 1999). The South African kimberlites’...intrusion in coal/graphite; 2 = meteorite; 3 = kimberlite; 4 = other ultramafic **See Table 3 for locality...analysis shows that ophiolite-hosted Code Locality Canada C1 Jeffrey Mine, Quebec Carbides* 15 Type**...K K, M China C2 Fuxian kimberlite field, Liaoning Prov. C3 Mengyin kimberlite field, Linyi Prefecture | | | Book | position of 56Fe; and (iv) the abundance peaks in the region past iron at the neutron closed shell positions...mixing caused by the convection, the entire unstable region evolves essentially chemically homogeneously—replenishing...of burning region (central or shell burning) and depleting the fuel elsewhere in that region at the same...burning of this fuel then commences outside that region. Table 1 summarizes the burning stages and their...maximum temperatures that have been reached in each region in the preceding hydrostatic burning stages (Table | | | Book | continental crust, it is useful to begin by defining the region under consideration and to provide some generalities...rocks may not be representative of their source region. These elements include the alkali and alkaline-earth...natural division of the crust into thirds; (ii) the region beneath the upper crust and above a Conrad discontinuity...there is a layer beneath the Conrad; and (iii) the region immediately beneath the Conrad if there are two...Central Slave Province, Canada Host Xenolith types Types of analyses Pipe age Crust age Age References | | | Journal (issue) | lithosphere at the Cordlllera-craton boundary of western Canada Dante Canil and J. Kelly Russell 1140 Mercury...illustrate the effects of magmatic: sulfide across a P-T region (Fig. 2). To introduce S, 0.5 wt% FeS was added...central CLP is the classical study site of the region. Studies there provided the first detailed magneto-...Gulang, and Jingbian sections, which span a wide region of the CLP (Hao et al., 2012; Sun et al_, 2006a;...of state for carbon dioxide covering the fluid region from the triple-point temperature to I JOO Kat |
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