 | Wu, Fu-Yuan, Yang, Yue-Heng, Mitchell, Roger H., Li, Qiu-Li, Yang, Jin-Hui, Zhang, Yan-Bin (2010) In situ UāPb age determination and Nd isotopic analysis of perovskites from kimberlites in southern Africa and Somerset Island, Canada. Lithos, 115 (1) 205-222 doi:10.1016/j.lithos.2009.12.010 | Journal (article/letter/editorial) | | from kimberlites in southern Africa and Somerset Island, Canada Fu-Yuan Wu a,ā, Yue-Heng Yang a, Roger...Geology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1 a r t i c l e i n f o Article history:...UāPb ages Nd isotopes Perovskite Kimberlite Southern Africa Canada a b s t r a c t Determination of...emplacement ages and initial isotopic composition of kimberlite by conventional isotopic methods using bulk rock...twelve samples from 7 kimberlites from Somerset Island, Canada have been selected for in situ perovskite |  | | Journal (article/letter/editorial) | | minerals in six carbonate-kimberlites: Peuyuk, Tunraq, Wesselton, Liqhobong, De Beers, and Benfontein...crystallization appears to be typical of carbonate-rich kimberlite magmas, and is texturally related to the two...pre-fluidization to post-fluidization stages of kimberlite emplacement (Haggerty, 1973; Mitchell & Clarke...residuum with progressive crystallization of kimberlite magma is typical and probably more common than...for estimating kimberlite compositions. Skinner & Clement (1979) proposed a kimberlite classification |  | | Journal (article/letter/editorial) | | 1093/petrology/egn034 Crystallization of Groundmass Spinel in Kimberlite P. L. ROEDER1* AND D. J. SCHULZE2 1 DEPARTMENT...QUEENāS UNIVERSITY, KINGSTON, ONTARIO K7L 3N6, CANADA 2 DEPARTMENT OF GEOLOGY, UNIVERSITY OF TORONTO...MISSISSAUGA, ONTARIO L5L 1C6, CANADA Groundmass spinel grains in 46 kimberlite and related rocks have been...high-chromium chromite (Chr) and magnesioulvoĀ« spinel^magnetite (Mum) and represent two significant stages of...xenocryst spinel (Xen), pleonaste spinel (Ple) and magnetite (Mag). Eight different spinel zoning trends are |  | | Journal (article/letter/editorial) | | The physical and chemical changesundergoneby kimberlite magma during its eruption and crystallization...can be gained by study of groundmassminerals in kimberlite and of late-stagereactionsbetween kimberlitic...kimberlitic minerals and the residualfluids of kimberlite magma.Boyd and Clement (1977)describedmetasomatic zoning...zoning trend" toward enrichment in MgTiO, and a "kimberlite reaction trend" toward enrichmentin FeTiO, and...describedcomplex reaction mantles on ilmenite nodules in kimberlite and discussedtheir signifcance as indicators |  | | Journal (article/letter/editorial) | | What is a Kimberlite? Petrology and Mineralogy of Hypabyssal Kimberlites Roger H. Mitchell1, Andrea Giuliani2...analyses. Melt inclusion studies have shown that kimberlite melts contain higher alkali concentrations than...(magmatic and/or crustal), the composition of primary kimberlite melts remains unknown. intrusive bodies of holocrystalline...coherent rock (Fig. 1A) occur at different depths in kimberlite pipes (see Fig. 4 in Giuliani and Pearson 2019...ic k imberlitesā (K PK; formerly ātuffisitic kimberliteā; named after a classic locality in South Africa) |  | | Book | | Mitchell Lakehead University Thunder Bay, Ontario, Canada SPRINGER SCIENCE+BUSINESS MEDIA, LLC Library...petrology. Bibliography: p. Includes index. I. Kimberlite. I. Title. QE462.K5M58 1986 552' .3 ISBN 978-1-4899-0570-3...critique of the advances which have been made in kimberlite studies over the last twenty-five years. Kimberlites...in this book will serve to stimulate further kimberlite studies. Some of the hypotheses discussed will...University and for his help in the continuance of my kimberlite research. This book would not have been possible |  | | Journal (article/letter/editorial) | | evolution:phlogopitesand oxidesfrom the Fayette County kimberlite, Pennsylvania Rosenr H. HuNren.r ReNoeL D. KIssI-tNG...fugacitesof 02, 52, and CO2. Introduction Typically, kimberlite consistsof megacrysts,and their inclusions,and...velocity zone (LVZ) related to the genesisof kimberlite and its early stages of evolution. In this regard...02-0030$02. 00 30 in the mid- to late-stagesof kimberlite evolution' Since the evolution of a melt is usually... HUNTER ET AL.: PHILOGOPITES AND OXIDES FROM KIMBERLITE 1979; Mitchell, 1979) and is the rationale used |  | | Journal (article/letter/editorial) | | Petrology 9 Springer-Verlag 1984 The alleged kimberlite-carbonatite relationship: evidence from ilmenite...composition, have been used to refute the "alleged kimberlite-carbonatite relationship". New microprobe analyses...kimberlites. The ilmenites are distinguished from kimberlite ilmenites by higher MnO, FeTiO 3, and Nb2Os,...negligible Cr20 3. The spinels are distinguished from kimberlite spinels by their AI203 and Cr203 contents. There...carbonaterich dikes of igneous origin cut the kimberlite of the Premier Mine, South Africa. Dawson (1980) |  | | Journal (article/letter/editorial) | | diamonds (e.g. Prider 1960, Jaques et aI1982). Kimberlite provinces consistently possess the following...Figure 1 Very generalized representation of kimberlite localities. Shaded regions are cratons ;C 1500...m.y. old. Open symbols represent individual kimberlite bodies; closed symbols show provinces. Diamond...(c) epeirogenic f1exuring directly preceding kimberlite intrusion, as in South Africa and Siberia (Dawson...(Dawson 1980). Structural analysis of kimberlite terranes through field mapping, geo- , physical exploration |  | | Report (issue) | | CIRCULAR 842 The Potential for Diamond-Bearing Kimberlite in Northern Michigan and Wisconsin Prepared in...Resources The Potential for Diamond-Bearing Kimberlite in Northern Michigan and Wisconsin By W. F. Cannon...Department of Natural Resources Description of a kimberlite pipe and possible cryptovolcanic structures and...1913? -------------------------The Lake Ellen kimberlite ------------------------- 1 1 1 1 3 4 4 4 4...relationship between cryptovolcanic structures and kimberlite -----------~---------------Do Wisconsin drift |  | | Book (volume) | | AmericanGeophysicalUnion Washington,D.C. 20009 1979 Kimberlite Conference Preface Since the first edition...was published in 1979, the Third International Kimberlite Conference was held in Clermont-Ferrand in 1982...concerning rocks now misleadingly referred to as Kimberlite will be removea. Diamonds received attention...still there persists the belief that diamonds anā¢ kimberlite are genetically related. And this in spite of...one can separate out the essential minerals of kimberlite. This comment is pertinent to isotopic studies |  | | Journal (article/letter/editorial) | | Mineral chemistry and crystallization sequences in kimberlite and lamproite dikes from the Sisimiut area, central...C.P. 6128, succ. "A "', Montrkal, P.Q. H3C 3J7 (Canada LITHOS Thy, P., Stecher, O. and Korstg~rd, J...Mineral chemistry and crystallization sequences in kimberlite and lamproite dikes from the Sisimiut area, central...macrocrysts are believed to be cognate. The primary kimberlite and lamproite magmas originated in the mantle...phlogopite points to a relatively low as,o.~ in the kimberlite magmas. Higher as,o.~ appears to have prevailed |  | Nasir, S., Al-Khirbash, S., Rollinson, H., Al-Harthy, A., Al-Sayigh, A., Al-Lazki, A., Theye, T., Massonne, H.-J., Belousova, E. (2011) Petrogenesis of early cretaceous carbonatite and ultramafic lamprophyres in a diatreme in the Batain Nappes, Eastern Oman continental margin. Contributions to Mineralogy and Petrology, 161 (1) 47-74 doi:10.1007/s00410-010-0521-3 | Journal (article/letter/editorial) | | rocks include group-I āābasalticāā, and group-II kimberlite āāorangeites, micaceous lamprophyricāā, and olivine...prepared crushed rocks in commercial laboratories in Canada (2 samples, 3 kg each) and in Australia (2 bulk...Activation Laboratories Ltd., Ancaster, Ontario, Canada. Several standards were used to check accuracy...Aillikite Carbonatite Mineral Spinel Spinel Magnetite Sample A9 Core A9 Rim ASH1 Core ASH1 Rim...(after Belousova et al. 2002) C carbonatite, K kimberlite a Data below EMP detection level Fig. 3 a Field |  | | Book | | Mitchell Lakehead University Thunder Bay, Ontario Canada SPRINGER SCIENCE+BUSINESS MEDIA, LLC Library...kimberlites and reviews some of the advances in kimberlite petrology since 1986. The work is a critical...although current hypotheses for the genesis of kimberlite and orangeite are critically reviewed. These...Natural Sciences and Engineering Research Council of Canada, Lakehead University, and De Beers Consolidated...8.1. Finsch . . . . . . . . 1.8.2. Barkly West Region. 1.8.2.1. Bellsbank. 1.8.2.2. Sover . . . 1.8.2 |  | | Book | | ABSTRACTS contributed to THE SECOND INTERNATIONAL KIMBERLITE CONFERENCE Bishop's Lodge, Santa Fe, October...ā ā¢A- V\ f I ' , A. DIAMONDIFEROUS SOUTHERN KIMBERLITE OF THE WAJRAKHARUR AREA, INDIA. Jagannadham...known in India from antiquity the presence of kimberlite has been the subject of much specuĀ¬ lation and...were described, but were discounted as being kimberlite (Foote, 1889; Lake, 1890). Subsequently...and Mehr, 1953) but generally conĀ¬ sidered that kimberlite was not present. However, in 1963 Rao and Phadtre |
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