 | 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) | | com/locate/lithos Kimberlite metasomatism at Murowa and Sese pipes, Zimbabwe C.B. Smith a,*, K. Sims b, L. Chimuka...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...(āāLTKBāā). Country rocks are 2.6 Ga Chibi and Zimbabwe granite batholiths emplaced into 2.6 ā 2.9 Ga |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter October 2015 No. 3 of 3 of 2015 Heavy mineral concentrate...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ... ARTICLES AND REPORTS A Review of Diamonds in Zimbabwe ā a Century On .................................11 12 NEWS Geology Department, University of Zimbabwe ā Maideyi Meck ā¦ā¦ā¦ā¦ā¦ā¦ The Professor Tom Blenkinsop... ! ! ! ! ! ! ! ! ! 2 Geological Society of Zimbabwe Newsletter October, 2015 Editorial Welcome to |  | | Journal (article/letter/editorial) | | Colossus kimberlites, located on the Kaapvaal and Zimbabwe cratons, respectively. The reverse-zoned olivines...some 50km to the northeast of Bulawayo on the Zimbabwe Craton (Fig. 3), is also noted for an MA abundance...ppm, 6.9%); Ni (pentlandite, 74 ppm, 4.22%); Na (albite, 59 ppm, 0.94%), K AC (orthoclase, 35 ppm, 15...Colossus kimberlites, but data are provided for the Murowa (Smith et al., 2009) and Orapa (Uehara et al.,...northwest of the Zimbabwe craton respectively. T Smith et al (2009) conclude that the Zimbabwe craton, and |  | | Journal (issue) | | diamonds of cube and cuberelated shape from the Jwaneng mine,ā Journal of Crystal Growth, Vol. 94, 1989, pp....has been more recently reviewed in an article of mine (B. Rondeau et al., āDiamants cubiques et presque...Rhodesia/ GLOBAL DIAMOND PRODUCTION SINCE 1870 Zimbabwe, Central African Republic, Tanzania, Brazil, Venezuela...1930s and the impact of World War II. The Premier mine closed in 1932, and the Kimberley mines were closed...decades. There was a jump in 1968 when the Finsch mine came into full operation, after which production |  | | Journal (issue) | | moving products from mine to consumer. The main cover image was taken at the AnahĆ mine in Bolivia, a major...were combined under the jurisdiction of the U.S. District Court of New Jersey 168 PRODUCTION AND MARKETS...of the company (Even-Zohar, 2007). Because of the mine closures, De Beersās market share by volume fell...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds...had acquired a 32.8% interest in Angolaās Catoca mine in the early 1990s. Commissioned in 1997, Catoca |  | Motsamai, Theetso, Harris, Jeffrey W., Stachel, Thomas, Pearson, D. Graham, Armstrong, John (2018) Mineral inclusions in diamonds from Karowe Mine, Botswana: super-deep sources for super-sized diamonds?. Mineralogy and Petrology, 112. 169-180 doi:10.1007/s00710-018-0604-9 | Journal (article/letter/editorial) | | PAPER Mineral inclusions in diamonds from Karowe Mine, Botswana: super-deep sources for super-sized diamonds...from the Karowe Mine in north-east Botswana, along the western edge of the Zimbabwe Craton. From a total...exceptionally large diamonds from this mine. Keywords Zimbabwe Craton . Orapa kimberlite cluster . Sublithospheric...(including the 1109 carats Lesedi la Rona) at the Karowe mine in north-eastern Botswana raises the question: what...in a representative suite of diamonds from this mine. Based on recent conflicting views on the origin |  | | Journal (article/letter/editorial) | | Wen, and Zhang Zuoheng 428 40 Ar-39Ar dating of albite and phlogopite from porphyry iron deposits in the...ore-forming fluids in the Huize Zn-Pb-(Ag-Ge) district, Yunnan, ChinaāHan Runsheng, Liu Congqiang, Huang...flooded tailings impoundment at the Kristineberg ZnāCu mine, northern SwedenāAnders Widerlund, Elena Shcherbakova...Long-range downstream effects of urban runoff and acid mine drainage in the Debed River, Armenia: Insights from...geochemical characteristics of mine-waste calcines and runoff from the Wanshan mercury mine, Guizhou, Chinaā Guoping |  | | Journal (article/letter/editorial) | | shown that in the presence of Na and silica (as albite or Na2Si3O7), rutile solubility increases by a...detected in a cloudy diamond from the Yubileinaya mine (Russia) together with olivine and sulļ¬de-melt...by diamonds and olivines in several Ekati Diamond Mine kimberlites, Northwest Territories, Canada. Earth...ļ¬uidsācase studies from Ekati (NWT-Canada) and Murowa (Zimbabwe). Geochimica et Cosmochimica Acta 73, 837ā855...2007. Fluid inclusions in diamonds from the Diavik mine, Canada and the evolution of diamond-forming ļ¬uids |  | Chepurov, Aleksei A., Faryad, Shah W., Agashev, Aleksey M., Strnad, Ladislav, Jedlicka, Radim, Turkin, Alexander I., Mihaljevic, Martin, Lin, Vladimir V. (2019) Experimental crystallization of a subcalcic Cr-rich pyrope in the presence of REE-bearing carbonatite. Chemical Geology, 509. 103-114 doi:10.1016/j.chemgeo.2019.01.011 | Journal (article/letter/editorial) | | rutile (Ti), chromium oxide (Cr), vanadinite (V), albite (Na), apatite (P). Representative microprobe analyses...fluidsāCase studies from Ekati (NWT-Canada) and Murowa (Zimbabwe). Geochim. Cosmochim. Acta 2009, 73, 837ā855...diamondiferous lherzolite from the Premier diamond mine, South Africa. Lithos 2004, 77, MA 539ā552. Viljoen |  | Reguir, E.P., Chakhmouradian, A.R., Halden, N.M., Malkovets, V.G., Yang, P. (2009) Major- and trace-element compositional variation of phlogopite from kimberlites and carbonatites as a petrogenetic indicator. Lithos, 112. 372-384 doi:10.1016/j.lithos.2009.05.023 | Journal (article/letter/editorial) | | were employed in the analysis: diopside (Si, Ca), albite (Na), andalusite (Al), olivine (Mg, Fe), orthoclase... 2004. Kimberlite metasomatism at Murowa and Sese pipes, Zimbabwe. Lithos 76, 219ā232. Srivastava, R...(Eds.), Phoscorites and Carbonatites from Mantle to Mine: the Key Example of the Kola Alkaline Province Mineralogical |  | | 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 ādirect from the mineā articles, particularly from GIAās 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 |  | Kolesnichenko, Maria V., Zedgenizov, Dmitry A., Litasov, Konstantin D., Safonova, Inna Yu., Ragozin, Alexey L. (2017) Heterogeneous distribution of water in the mantle beneath the central Siberian Craton: Implications from the Udachnaya Kimberlite Pipe. Gondwana Research, 47. 249-266 doi:10.1016/j.gr.2016.09.011 | Journal (article/letter/editorial) | | body taken at levels of ca. 400500 meters in the mine. Udachnaya East consists of (older to younger) of...orthopyroxene and melt synthesized in the system albiteāforsteriteāH2O. Earth and Planetary Science Letters... 2004. Kimberlite metasomatism at Murowa and Sese pipes, Zimbabwe. Lithos 76(1), 219ā232. Smyth, J.R...kimberlite pipes of the IP Daldyn-Alakit kimberlite district. SC R Table 2. A summary of petrologic and water...metasomatism from the DaldynAlakit kimberlite district and other key areas of the Yakutian diamondiferous |  | Fulop, Alexandrina, Kopylova, Maya, Kurszlaukis, Stephan, Hilchie, Luke, Ellemers, Pamela, Squibb, Charlene (2018) Petrography of Snap Lake Kimberlite Dyke (Northwest Territories, Canada) and its Interaction with Country Rock Granitoids. Journal of Petrology, 59 (12) 2493-2518 doi:10.1093/petrology/egy025 | Journal (article/letter/editorial) | | AF and SK acknowledge the support from Snap Lake mine and geologists Kevin Gostlin, Julianna Benke, David... 2004. Kimberlite metasomatism at Murowa and Sese pipes, Zimbabwe. Lithos, 76, 219ā 232. Stripp, G....plan view of microdiamond sampling locations and mine tunnels for the studied specimens. Fig. 2. Sampling...Dolomite Phlogopite Biotite-1M Clinochlore-2A, Albite Very minor abundance Dolomite, Saponite15A Phl-1M...plan view of microdiamond sampling locations and mine tunnels for studied specimens. 212x206mm (300 x |  | Dymshits, Anna M., Sharygin, Igor S., Malkovets, Vladimir G., Yakovlev, Igor V., Gibsher, Anastasia A., Alifirova, Taisia A., Vorobei, Sofya S., Potapov, Sergey V., Garanin, Viktor K. (2020) Thermal State, Thickness, and Composition of the Lithospheric Mantle beneath the Upper Muna Kimberlite Field (Siberian Craton) Constrained by Clinopyroxene Xenocrysts and Comparison with Daldyn and Mirny Fields. Minerals, 10 (6) 549 doi:10.3390/min10060549 | Journal (article/letter/editorial) | | āO-145ā (for Al, Fe), Cr-rich augite (for Cr), albite (for Na), diopside (for Ca, Si, Mg), glass with...The detection limits (3Ļ) do not exceed (in wt%), albite (for Na), diopside āBDā (for Ca, Si, Mg), glass...and origin of the mantle root beneath the Murowa diamond mine: Implications for craton and diamond formation |  | Chakhmouradian, Anton R., Reguir, Ekaterina P., Kamenetsky, Vadim S., Sharygin, Victor V., Golovin, Alexander V. (2013) Trace-element partitioning in perovskite: Implications for the geochemistry of kimberlites and other mantle-derived undersaturated rocks. Chemical Geology, 353. 112-131 doi:10.1016/j.chemgeo.2013.01.007 | Journal (article/letter/editorial) | | synthetic standards were employed for calibration: albite (Na); diopside (Si, Ca); orthoclase (K); titanite...hypabyssal and crater-facies kimberlites on the Diavik mine property, also in the Lac de Gras kimberlite ļ¬eld... 2004. Kimberlite metasomatism at Murowa and Sese pipes, Zimbabwe. Lithos 76, 219ā232. Sobolev, A.V. |  | | Journal (issue) | | Madagascar ā¢ Orange sapphire from Greenland ā¢ Sweet Home mine rhodochrosite ā¢ New tourmaline find in San Diego...collected in 2015 by GIA gemologists at the Potentate mine at Rock Creek and from Cass Thompsonās mining operation...the Sapphire and Ruby Company of Montana, Ltd. to mine Spokane Bar. Given the worldwide interest being...ensuing years, several smaller operations continued to mine for sapphire along the gravel bars of the Missouri...Present-day mining includes operations of the Spokane Bar mine and Gold Fever Rock Shop (currently the largest |  | | Journal (issue) | | on amethyst, citrine, and ametrine from the AnahĆ mine, Bolivia ā¢ āCopalā resin from Madagascar ā¢ Iolite...publisher. ABOUT THE COVER The Ramona pegmatite district in southern California was the worldās leading...Harold & Erica Van Pelt. briefly visited the Mulungu mine near Parelhas (figure 2) in neighboring Rio Grande...Batalha (located 4.5 km north of Salgadinho). The mine is situated on a small steep-sided hill known as...BoqueirĆ£ozinho, or CDM mine) and Alto dos Quintos mines (also known as the Wild mine), the area of gem pegmatite |  | | Journal (issue) | | mastering the market. Looked at The New York diamond district has long been the center of diamond distribution...Shown here is the recovery plant at the Jwaneng mine in Botswana. Photo courtesy of Debswana. another...2020 Yasukazu Suwa I t took about 2,700 years to mine and fashion an estimated 0.8 tons of diamonds before...products have not been sullied at any step from mine to retail. Consumers want to know that their purchase...sold-out field trips to the Pala gem-pegmatite district were held before and after the conference. GIA |  | | 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 |  | | Report (volume) | | ophiolite-hosted Code Locality Canada C1 Jeffrey Mine, Quebec Carbides* 15 Type** Associated Phases***...Khatanga, Siberia R2 Coal Mine 45, Kopeisk, Urals R3 Is River, Isovsky District, Urals C C I, To MCo CoF...Pb, Sn, Zn Dia Jed, Ru South Africa S1 Monastery Mine, Free State Prov. M Kim Dia, Maj Tajikistan...Ī± = 46.1Ā°; Z = 2). Calcite crystal from Elmwood Mine, Carthage, Tennessee. Photo courtesy of Rob Lavinsky...crystals from the Home Sweet Home Mine, Mount Bross, Alma District, Park County, Colorado, USA. (b) Ankerite |  | | Journal (article/letter/editorial) | | Contaminant geochemistry and migration in three different mine sites in Finland ā Comparison of anthropogenic and...geochemistry and transport in soil at three different mine sites in Finland: Suurikuusikko, SiilinjƤrvi and...harmful elements in mine wastes and waters must be considered in risk assessment of mine sites. When evaluating...hydrothermal superimposition. Thus, the Dongping gold mine is a post-magmatic hydrothermal ore deposit with... Goldschmidt2013 Conference Abstracts U behaviour under acid mine drainage conditions: Preliminary results from an |  | | Book (volume) | | 5 Pseudomorphic serpophite 15 -0.5 Wesselton Mine (South Africa) Segregation serpophite 6 -1.3...-0.1 Segregation serpophite 17 0.1 Wesselton Mine (South Africa) Segregation serpophite 18 -0.5...(2009) Tuffisitic kimberlites from the Wesselton Mine, South Africa: Mineralogical characteristics relevant...Shee SR (1985) The petrogenesis of the Wesselton Mine kimberlite, Kimberley, Cape Province, R.S.A. Ph...Mountain District LARAMIE CHEYENE 1.. WYOMING COLORADO 2. 4. 3. 8. 7. 5. State Line District 6. |  | | Report (volume) | | amphibole from the Kajlidongri manganese mine, Jhabua district, Madhya Pradesh, India. Am Mineral 77:1112-1115...(1995) A new anhydrous amphibole from the Hoskins mine, Grenfell, New South Wales, Australia: Description...(1999) Chlorine-bearing amphiboles from the Fraser mine, Sudbury, Ontario, Canada: Description and crystal...amphibole from the Kajlidongri Manganese Mine, Jhabua District, Madhya Pradesh, India. Am Mineral 90:304-309...amphibole from the Kajlidongri manganese mine, Jhabua district, Madhya Pradesh, India. Am Mineral 77:1112-1115 |  | | Book | | 314ā321, 3rd Floor, Plot 3, Splendor Forum, Jasola District Centre, New Delhi ā 110025, India 79 Anson Road...metasomatism and carbon cycling at the western Zimbabwe craton margin. Geochimica et Cosmochimica Acta...close spatial association at Earthās surface in a mine may have similar physical characteristics and may...thousand FTIR spectra in a map of a diamond from Murowa, Zimbabwe. Model temperatures are calculated using a...spectroscopy characteristics of a zoned diamond from Murowa.36 Figure 5.1a shows a map of āmodel temperaturesā |
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