 | Smith, C.B., Sims, K., Chimuka, L., Duffin, A., Beard, A.D., Townend, R. (2004) Kimberlite metasomatism at Murowa and Sese pipes, Zimbabwe. Lithos, 76 (1) 219-232 doi:10.1016/j.lithos.2004.03.009 | Journal (article/letter/editorial) | | Kimberlite metasomatism at Murowa and Sese pipes, Zimbabwe C.B. Smith a,*, K. Sims b, L. Chimuka c, A....South Africa c Rio Tinto Zimbabwe Ltd., 1 Kenilworth Rd, Newlands, Harare, Zimbabwe d Rio Tinto Mining and...Cambrian-aged Murowa and Sese kimberlite clusters located within the Archean Zimbabwe Craton just north...with the Limpopo Mobile Zone in southern central Zimbabwe, the metasomatism is intense and well exposed...(‘‘LTKB’’). Country rocks are 2.6 Ga Chibi and Zimbabwe granite batholiths emplaced into 2.6 – 2.9 Ga |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter June 2013 The hand of Tom Blenkinsop – movement indicators...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...….. 12 NEWS Geology Department, University of Zimbabwe ……………………………….. Geological Survey Department ………………………………………………...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter June, 2013 Editorial Welcome to the...towards Zimbabwe Geology; and also to Luckmore Chiteshe for his winning project at the Zimbabwe School |  | | Book (volume) | | Geological Society of India, Bangalore Members: K. Ayyasami, Geological Survey of India, Hyderabad Abhijeet...Hindu University, Varanasi D. K. Paul, Kolkata University, Kolkata E. V. S. S. K. Babu, NGRI, Hyderabad J...Survey of India, Bangalore K. Sajeev, Indian Institute of Science, Bangalore K. S. Godhavari, Geological...Bangalore Rajesh K. Srivastava, BHU, Varanasi S. S. Nayak, Geological Survey of India, Bangalore S. K. Bhushan...Mitchell (Chairman) Barbara Scott Smith E. V. S. S. K. Babu D. Graham Pearson Hugh O’Brien J. Barry Dawson |  | | Journal (issue) | | and other beryls from Connecticut • Cat’s-eye K-feldspar and other chatoyant gems from Tanzania • Green...nucleated and tissue nucleated are often used (see, e.g., K. Scarratt et al., “Characteristics of nuclei in Chinese...diamonds of cube and cuberelated shape from the Jwaneng mine,” Journal of Crystal Growth, Vol. 94, 1989, pp....has been more recently reviewed in an article of mine (B. Rondeau et al., “Diamants cubiques et presque...Perfection, Cambridge Press, Cambridge, UK, 2005, p. 188). K. J. Westerlund et al. explained the Klipspringer eclogitic |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter February 2017 No. 1 of 3 of 2017 The last great...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...collision for a Neoarcaean Limpopo orogen and Zimbabwe Craton since 2.75-2.74Ga ……… A field trip to the...11 12 NEWS Geology Department, University of Zimbabwe – Maideyi Meck …………… The Professor Tom Blenkinsop...………………………………... 13 16 17 18 GEOLOGICAL SOCIETY OF ZIMBABWE - AGM ……………………….. 20 RESEARCH FUNDING OPPORTUNITIES |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter February 2013 A Group Photograph taken during the...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...for the Palaeoproterozoic Magondi Supergroup, Zimbabwe … 7 Geology and Petrology of the Umkondo Diamond...………. 16 NEWS Geology Department, University of Zimbabwe ……………………………….. Geological Survey Department ………………………………………………...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter February, 2013 Editorial Thanks, |  | | Journal (article/letter/editorial) | | 392 396 404 417 423 Ar-39Ar age of K-feldspar from K-feldspar granite in the Qianohuote copper deposit...ore-forming fluids in the Huize Zn-Pb-(Ag-Ge) district, Yunnan, China—Han Runsheng, Liu Congqiang, Huang...study of clinochlore to 27 GPa—Mark D. Welch, Annette K. Kleppe, and Andrew P. Jephcoat Periodic precipitation...Partitioning of Sr, Ba, Rb, Y, and LREE between alkali feldspar and peraluminous silicic magma—Minghua Ren Isabel...flooded tailings impoundment at the Kristineberg Zn–Cu mine, northern Sweden—Anders Widerlund, Elena Shcherbakova |  | | Journal (issue) | | formation. 223 Blue Sapphires from the Baw Mar Mine in Mogok Hpone-Phyo Kan-Nyunt, Stefanos Karampelas...bring our readers more of these “direct from the mine” articles, particularly from GIA’s dedicated field...Tanzania Kimberley Pilbara Madagascar KALAHARI Zimbabwe 25 RIO DE LA PLATA Singbum 31 Bastar CONGO...Orapa/Damtshaa, Letlhakane, Jwaneng, Finsch; (27) Murowa, Venetia, The Oaks, Marsfontein, Premier, Dokolwayo...trapped in geologic basins as in West Africa, Zimbabwe, and Brazil, where they can be panned for like |  | Rezvukhin, Dmitriy I., Nikolenko, Evgeny I., Sharygin, Igor S., Rezvukhina, Olga V., Chervyakovskaya, Maria V., Korsakov, Andrey V. (2022) Cr-pyrope xenocrysts with oxide mineral inclusions from the Chompolo lamprophyres (Aldan shield): Insights into mantle processes beneath the southeastern Siberian craton. Mineralogical Magazine, 86 (1) 60-77 doi:10.1180/mgm.2021.89 | Journal (article/letter/editorial) | | Russia; 2ALROSA (ZIMBABWE) Ltd., 19 Van 3 Praagh Avenue, Milton Park, Harare, Zimbabwe; 1nstitute of the...of large ion lithophile elements (LILE: Ba, Sr and K), HFSE, and light rare earth elements (LREE: La, Ce)...Nikolenko et al. (2020b). Within the Chompolo district, there are six pipes (Ogonek, Gornaya, Perevalnaya...Ogonek diatreme (137.8 ± 1.2 Ma) on the basis of K-richterite Ar-Ar radiometric ages. For the lamprophyre...determined (Ar-Ar radiometric ages of phlogopite and K-feldspar; Prokopyev et al., 2019 and references therein) |  | | Journal (issue) | | on amethyst, citrine, and ametrine from the Anahí mine, Bolivia • “Copal” resin from Madagascar • Iolite...publisher. ABOUT THE COVER The Ramona pegmatite district in southern California was the world’s leading...The well-respected names on our masthead are only a K. Myers S. Overlin partial list of the many experts...Courtesy of K. Elawar; photo © Harold & Erica Van Pelt. briefly visited the Mulungu mine near Parelhas...Batalha (located 4.5 km north of Salgadinho). The mine is situated on a small steep-sided hill known as |  | Dalton, Hayden, Giuliani, Andrea, Phillips, David, Hergt, Janet, Maas, Roland, Matchan, Erin, Woodhead, Jon, O'Brien, Hugh (2020) A comparison of geochronological methods commonly applied to kimberlites and related rocks: Three case studies from Finland. Chemical Geology, 558. 119899pp. doi:10.1016/j.chemgeo.2020.119899 | Journal (article/letter/editorial) | | benefit offered by such precision, and the presence of K-bearing groundmass phlogopite re in many (but not...defined, with available data including whole-rock K-Ar ages of 434 ± 13 Ma and 593 ± 25 Ma (Pipes 1 and...for 4 lP reference materials (BCR-2, SRM607 K-feldspar, GL-O glaucony and MD-2 Mt. Dromedary (Villa...chloritisation which has more adversely affected the K/Ar (and therefore 40Ar/39Ar; Supp.Fig. S2) system...advent of in-situ Rb-Sr dating for both mica and feldspar (e.g., Zack and Hogmalm, 2016; Hogmalm et al. |  | | Book | | of Canada: A Synthesis of Major Deposit-types, District Metallogeny, the Evolution of Geological Provinces...avec l'editeur. Gold-rich specimen fro1n the Don,e Mine, Tim1nins, Ontario that was presented to GSC in...of Canada A Synthesis of Major Deposit-Types, .District Metallogeny, the Evolution of Geological Provinces...of Canada: A Synthesis of Major Deposit-Types, District Metallogeny, the Evo lution of Geological Provinces...Massive Sulphide Deposits of the Finlayson Lake District, Yukon Jan Pete,; Daniel Layton-Matthews. Stephen |  | | Journal (issue) | | Session with former Secretary of State Madeleine K. Albright True Knots By My Way Jewelry Co. Inc. Hotel...Opportunities and Danger: The World in 2006 Madeleine K. Albright 7 Transitions and Traditions Maurice Tempelsman...Symposium GEMS & GEMOLOGY FALL 2006 1 By Madeleine K. Albright Former U.S. Secretary of State Founder,...feeling devious—a spider complete with web. Madeleine K. Albright served as the 64th secretary of state of...of her upcoming book project. Courtesy Madeleine K. Albright; photo by Robert Weldon. a pessimist. My |  | | Journal (article/letter/editorial) | | little or no ferrous iron and is enriched in U and K. Unless new fractures form and allow circulating seawater...change to dihydrogen produced radiolytically by U and K. At moderate temperatures (25-60°C), recharge of oxygenated...Contaminant geochemistry and migration in three different mine sites in Finland – Comparison of anthropogenic and...geogenic contamination for risk assessment S. BACKNÄS1* K. TURUNEN1 A. PASANEN1 T. KARLSSON1 AND L. SOLISMAA1...geochemistry and transport in soil at three different mine sites in Finland: Suurikuusikko, Siilinjärvi and |  | | Report (volume) | | Russell, C. M. Schiffries, M. Schulte, C. B. Smith, K. Stedman, D. A. Sverjensky, A. Templeton, and A. Woolley...Rev Mineral Geochem 75:289-322 Kerrick DM, Caldeira K (1993) Paleoatmospheric consequences of CO2 released...orogen. Chem Geol 108:201-230 Kerrick DM, Caldeira K (1998) Metamorphic CO2 degassing from orogenic belts...Cohenite (C) Haxonite (H) Isovite (I) Khamrabaevite (K) Moissanite (M) Niobocarbide (N) Qusongite (Q) Tantalcarbide...ophiolite-hosted Code Locality Canada C1 Jeffrey Mine, Quebec Carbides* 15 Type** Associated Phases*** |  | | Book | | 314–321, 3rd Floor, Plot 3, Splendor Forum, Jasola District Centre, New Delhi – 110025, India 79 Anson Road...golden, andrew h. knoll, congrui li, chao liu, eli k. moore, shaunna m. morrison, a.d. muscente, anirudh...Andrews Mainak Mookherjee Florida State University Eli K. Moore Rutgers University Guillaume Morard Sorbonne...partition coefficients in a deep MO (P = 50 GPa, T = 3500 K; e.g. Siebert et al.104) for C, N, S, and H are from...with Ca2+ cations and also with Na+, Mg2+, and maybe K+.125,146,153–156 Most experiments on carbon dissolution |  | | Report (volume) | | can be written as A B2 C5 T8 O22 W2 where A = Na, K, ˚, Ca, Li; B = Na, Li, Ca, Mn2+, Fe2+, Mg; C = Mg...Ca Na ΣB 0.147 1.853 2.000 0.145 1.855 2.000 Na K ΣA 0.716 0.293 1.009 0.702 0.289 0.991 OH F Σ ...A = (Na,K,Ca); [3]-coordinated: O(3) = (OH), A = ˚; [4]-coordinated: O(3) = (OH), A = (Na,K,Ca). The...charge and size: Li, Mg, Fe2+, Mn2+, Ca, Na (and even K and Sr in various synthetic amphiboles), and the ... The A cavity may be occupied by monovalent (Na, K, Li) or divalent (Ca, Pb2+) cations, and the siting |
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