 | | Journal (article/letter/editorial) | | 1 3 - 7 1 8 Werdingite from the Urungwe District, Zimbabwe Department of Geological Sciences, University...Proterozoic Magondi belt in the Urungwe District, 60 km westnorth-west of Karoi, northern Zimbabwe. The geologic...details on the werdingite occurrence in the Urungwe District. Geologic situation and mineralogy of the werdingite-bearing...prismatine, hercynite, and ilmenite. Monazite, zircon, corundum, 714 SHORT COMMUNICATIONS sillimanite, biotite...clusters of fine corundum platelets, which are texturally distinct from medium-grained corundum associated |  | | 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 – a Century On .................................11 12 NEWS Geology Department, University of Zimbabwe – Maideyi Meck ……………… The Professor Tom Blenkinsop... ! ! ! ! ! ! ! ! ! 2 Geological Society of Zimbabwe Newsletter October, 2015 Editorial Welcome to |  | Grew, E. S., Rao, A. T., Raju, K. K. V. S., Hejny, C., Moore, J. M., Waters, D. J., Yates, M. G., Shearer, C. K. (2003) Prismatine and ferrohögbomite-2N2S in granulite-facies Fe-oxide lenses in the Eastern Ghats Belt at Venugopalapuram, Vizianagaram district, Andhra Pradesh, India: do such lenses have a tourmaline-enriched lateritic precursor?. Mineralogical Magazine, 67 (5) 1081-1098 doi:10.1180/0026461036750144 | Journal (article/letter/editorial) | | lenses in the Eastern Ghats Belt at Venugopalapuram, Vizianagaram district, Andhra Pradesh, India: do...sthene-cordierite gneisses of the Eastern Ghats belt, Andhra Pradesh, India. Hemo-ilmenite, sapphirine...WORDS : prismatine, ferrohögbomite, Eastern Ghats Belt, India, Namaqualand, South Africa. Introduction...Vizianagaram (Vijayanagaram) district, an area in the Eastern Ghats Belt, attracted our interest. However...Kumar et al. (1995) are found in the Eastern Ghats Belt, although not in the proportions and concentrations |  | | Journal (article/letter/editorial) | | Key British Geological Survey, Murchison House, West Mains Road, Edinburgh EH9 3LA, Scotland. e-mail:...older than 3.1 Ga (e.g. Armstrong et al., 1991). West and north of this shield occur granitoid gneiss-greenstone...Complex intrudes the Taupone Dolomite Group to the west and the ~2.78 Ga rhyolites of the Kanye Volcanic...normative corundum, except in samples marked by high SiO2 and K2O (e.g. up to ~1.5 weight % corundum in sample...augen gneiss and monzogranite and exposed 500km west of Moshaneng (Figure 1), yielded U-Pb zircon ages |  | 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) | | north-east Botswana, along the western edge of the Zimbabwe Craton. From a total of 107 diamonds, 134 silicate...exceptionally large diamonds from this mine. Keywords Zimbabwe Craton . Orapa kimberlite cluster . Sublithospheric... 3 Lucara Diamond Corporation, Suite 2000, 885 West Georgia Street, Vancouver V6C 3E8, Canada Introduction...Kaapvaal and Zimbabwe cratons sutured by the Archean to Paleoproterozoic Limpopo Mobile Belt (Fig. 1). In...In the west, the Kalahari Super-Craton is bounded by the Paleoproterozoic Kheis and Magondi orogenic |  | Aulbach, S., Jacob, D.E., Cartigny, P., Stern, R.A., Simonetti, S.S., Wörner, G., Viljoen, K.S. (2017) Eclogite xenoliths from Orapa: Ocean crust recycling, mantle metasomatism and carbon cycling at the western Zimbabwe craton margin. Geochimica et Cosmochimica Acta, 213. 574-592 doi:10.1016/j.gca.2017.06.038 | Journal (article/letter/editorial) | | metasomatism and carbon cycling at the western Zimbabwe craton margin S. Aulbach, D.J. Jacob, P. Cartigny...metasomatism and carbon cycling at the western Zimbabwe craton margin, Geochimica et Cosmochimica Acta...metasomatism and carbon cycling at the western Zimbabwe craton margin S. Aulbach1.*, D.J. Jacob2, P....xenoliths from Orapa, at the western margin of the Zimbabwe craton (central Botswana), were investigated in...1996, 2005; Shirey et al., 2002) and Koidu in the West African craton (Hills and Haggerty, 1989). (2) The |  | | Journal (article/letter/editorial) | | craton was reworked in the west between 1.8–2.1 Ga during the Kheis Magondi orogeny (e.g. Alterman and...the indicated localities E-Block (2.6-3.6 Ga) Magondi W-Block Bushveld (2.05 Ga) (2.6-3.2 Ga) 2.62...in Fig. 4a. They belong to a suite of kyanite/corundum eclogites from Bellsbank that are very similar...diagrams of garnets and clinopyroxenes from two corundum eclogites from Bellsbank with pronounced Sr- and...87Sr/86Sr ratios in clinopyroxenes from the two corundum eclogites from Bellsbank. These values are projected |  | | Journal (article/letter/editorial) | | comprising the Kaapvaal craton, the Limpopo Belt and Zimbabwe craton of Archaean age, and likely Archaean...of the Zimbabwe craton within the belt of craton affected by the younger 2060–2030 Ma Magondi orogeny29...NO 3 McDonald and Viljoen Koidu eclogites in West Africa.21 None of the samples produce normative...the kyanite eclogite OR-IM-2 produces normative corundum (see also Appendix). On bulk major element plots...Plagioclase 47.86 Orthoclase 0.77 Nepheline 1.02 Corundum 0 Diopside 27.51 Hypersthene 0 Olivine 21.29 Rutile |  | | Book | | Sahara (under Moroccan administration) Zambia Zimbabwe 142 146 148 152 156 160 162 168 172 176 180 186...Principe, Sierra Leone, Somalia, Sudan, Uganda and Zimbabwe. Negative economic impacts that resulted from...also felt by Angola, Namibia, Rwanda, Uganda and Zimbabwe. The long-term implication of the AIDS epidemic...hence resulting definition of the Mozambique Orogenic Belt Fig. 5 Orogenic belts in southern and central Africa...Orogenic Belt to be approximately 1,300 Ma old, an age today indicative for the Kibaran Orogenic Belt, but |  | | Book | | sediments of the Ediacaran Rocha Formation (Dom Felicano Belt) at the Atlantic coast of Uruguay. These metasediments...the counterpart of the Oranjemund Group (Gariep Belt) cropping out in the western borders of Namibia...correlated them with comparable deposits in the Cape Fold Belt (Keidel 1914, 1916, 1938). Motivated by Keidel’s...Gariep belts of southern Africa with the Ribeira Belt of South America, and to interpret their evolution...Sierras Australes de Buenos Aires and the Cape Fold Belt (black lines). Handwritten notes made by Alfred |  | | Journal (issue) | | Natural-Color Blue Diamonds Black Diamonds from Zimbabwe Characterization of Yogo Sapphires Synthetic Diamonds...range. 132 pg. 134 Black Diamonds from Marange (Zimbabwe): A Result of Natural Irradiation and Graphite...Breeding C.M. (2011) Hydrogen-rich diamonds from Zimbabwe with natural radiation features. G&G, Vol. 47... FEATURE ARTICLES BLACK DIAMONDS FROM MARANGE (ZIMBABWE): A RESULT OF NATURAL IRRADIATION AND GRAPHITE...from the Marange alluvial deposits in eastern Zimbabwe. Visual observations show that the dark appearance |  | | Report (volume) | | E-mail bookstore@aapg.org India Affiliated East-West Press PVT Ltd G-l/16 Ansari Road, Daryaganj, New...Correlation: a perspective from the Eastern Ghats Granulite Belt, India DOBMEIER, C. J. & RAITH, M. M. Crustal architecture...architecture and evolution of the Eastern Ghats Belt and adjacent regions of India BRAUN, I. & KRIEGSMAN... M. A review of the evolution of the Mozambique Belt and implications for the amalgamation and dispersal...component of this long-lived subsupercontinent. West Gondwana, on the other hand, assembled during the |  | | Book | | Granulite Block References Eastern Ghats Mobile Belt 2.3.1 Introduction 2.3.2 Sileru shear zone 2.3.3...References Further reading Aravalli-Delhi Orogenic Belt 2.5.1 Introduction 2.5.2 South Delhi Terrane 2.5...References Introduction The Limpopo Belt The Central Zone of the Limpopo Belt The Mahalapye Complex 4.4.1 The...Introduction The Sør Rondane Mountains The Maud Belt The Muhlig-Hofmannfjella mountains The Lützow-Holm...Western Australia and some parts of the Limpopo Belt. We thank profusely the Geological Survey and Resource |  | | Journal (issue) | | to this group include emeralds from Colombia, corundum (e.g., Müllenmeister and Zang, 1995; Schmetzer...garnet, hexagonal for emerald, and trigonal for corundum and tourmaline. The only exception is chiastolite...(2006). Figure A-1. Trapiche vs. trapiche-like corundum. Left: Trapiche ruby originating from marble in...2). The Eastern Cordillera is a slightly folded belt overthrusting the Llanos Foreland Basin to the east...east and the Middle Magdalena Basin to the west. The belt resulted from the tectonic inversion at the |  | | Report (volume) | | hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Rec 20:101-127... from the Little Three mine pegmatite, Ramona District, San Diego County, California. Am Mineral 76:1998-2002...Vicanite-(Ce): a new borosilicate from the Vico volcanic district (Latium, Italy). Eur J Mineral 7:439-446 Ca-Th-REE...41203-8203 (S) SAI,03 2B,03; (S) 5A1703- B203 Corundum Al,03 Diaspore Gibbsite Boehmite etc H>O0 | | | Report (volume) | | hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Ree 20:101-127... from the Little Three mine pegmatite, Ramona District, San Diego County, California. Am Mineral 76:1998-2002...Ca-Th-REE borosilicate from the Vico volcanic district (Latium, Italy). Eur J Mineral 7:439-446 Matsubara...single-phase product, the unstable pair quartz + corundum being present in addition. In an attempt at synthesizing |  | | Journal (article/letter/editorial) | | Aland Abean Orogeny see Hercynian Qrogeny Abitibi Belt magmas 18(4) 241-270; 37(2-3) 129-142; 39(1-2)41-55...Africa; Madagascar; North Africa; Southern Africa; West Africa geochemistry 13(2) 139-143 High Atlas 22(...Lake Turkana 4(3) 305-323 metamorphism, Limpopo Belt 8(4) 297310 mineralogy 6(2) 133-143 340 petrology...28(3-6) 347365 tectonophysics Barberton greenstone belt 30(3-4) 309. 335 Kaapvaal Craton 30(3-4) 309-335;...Seychelles, petrology 19(1) 1l-25 Sweden 4(2) 185-204 Zimbabwe, petrology 29(3-4) 163-176 amphibolite see amphibolites |  | | Book | | Azzer. Morocco. 59 - Pharusian belt. 63 - Dahomey belt. 64 Damara belt. southern Africa . . . . . . .... . . . . . . . . . . . . . . . . The Cape Smith belt, 75 - The Purtuniq ophiolite, 77 ................. . . . . . . . . . ...... . . . Circum-Superior belt ......................................... Animikie.................... . . . _ . . _ _ Svecokarelian belt . . . . . . . . . . . . . . . . . . . . . . . .................. North American Midcontinent Rift Belt-Purcell-Wernecke basins . . . . . . . . . . . . |  | | Book | | associated alkalic basaltic rocks from Pishin District, Pakistan.4 Reasons of variations of individual...Southeastern Raipur kimberlitic field, Raipur District, Madhya Pradesh, Central India.106 Experimental...kimberlite dyke of the Colorado-Wyoming State Line District................113 Cathodoluminescence of CO^bearing...K1 kimberlite dyke, Colorado-Wyoming State Line District.......116 Trace elements in garnets and chromites...kimberlite province.177 Archean and Proterozoic mantle in West Greenland...........179 Reaction products of carbonatite |  | | Journal (article/letter/editorial) | | found associated with the Letlhakane kimberlite (Magondi Belt, Botswana) provide us with a unique opportunity...2 Ga subduction zone: Eclogites in the Usagaran belt of Tanzania." Geology 23.12 (1995): 1067-1070. ...in Diancang Shan-Ailao Shan metamorphic complex belt, Southeastern Tibetan Plateau FANG WANG, FULAI...of Diancang Shan-Ailao Shan metamorphic complex belt. Detailed geochemical analysis in the meta-sedimentary...in Diancang Shan-Ailao Shan metamorphic complex belt is a potential record of geodynamic process related |  | | Journal (article/letter/editorial) | | associated anthropogenic lead around Omura Bay, West Japan Melting history of the PozantıKarsantı ophiolite...cross-border pollution to the atmospheric environment in West Japan, we measured the trace element concentration...evolution of the large Lapland-Kola-Dvina orogenic belt [1]. Investigations of crustal xenoliths and zircon...during the field campaign of the Iberian Pyrite Belt Subsurface Life (IPBSL) project. IPBSL is a drilling...subsurface ecosystems operating in the Iberian Pyrite Belt (IPB), in the area of Peña de Hierro, and responsible |
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