 | | Journal (article/letter/editorial) | | with muscovite, microcline, columbite, monazite, zircon, gahnite, kasolite, betafite(?), 373 Lock a' Sgurr...Langevat, South Harris: pegmatite with epidote, zircon, spessartine, allanite, nraninite, thorite, monazite...thomsonite, 506 Berk Hill: apophyllite, 508 Black Cave, Islandmagee: mordenite, 5O9 Carnmoney Hill, Belfast: calcite...lithomarge, xlvi White Mountain: mordenite, 509 Wolf Hill, Legoniel: apophyllite, 508 Tipperary Knockanroe...Knockanroe and Ballygown South mines, Silvermines district: pyrite, marcasite, arsenopyrite, blende, galena, baryte |  | Thomas, Robert J., Roberts, Nick M.W., Jacobs, Joachim, Bushi, Alphonce M., Horstwood, Matthew S.A., Mruma, Abdul (2013) Structural and geochronological constraints on the evolution of the eastern margin of the Tanzania Craton in the Mpwapwa area, central Tanzania. Precambrian Research, 224. 671-689 doi:10.1016/j.precamres.2012.11.010 | Journal (article/letter/editorial) | | the eastern margin of the Tanzania Craton in the Mpwapwa area, central Tanzania Robert J. Thomas a,ā , Nick...Abdul Mruma d a British Geological Survey, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK NERC Isotope...Bergen, Norway d Geological Survey of Tanzania, Dodoma, Tanzania b a r t i c l e i n f o Article history:...Available online 15 November 2012 Keywords: Archaean Tanzania Craton Palaeoproterozoic Usagaran Geochronology...and geochronology of the eastern margin of the Tanzania Craton near Mpwapwa yields new constraints on |  | | Journal (article/letter/editorial) | | for the type locality at 2 5.7 0.3 4 18 2 Mautia Hill, Tanzania, i.e. Mg Al Fe Si O (OH) . Textural relationships...āwhiteschistā in the Usagaran Complex, exposed in Mautia Hill, Tanzania (McKie, 1959; Mruma & Basu, 1987). Nd model...ophiolite terranes (Oliver et al., 1998), (Fig. 1). Zircon from a plagiogranite dyke of the Ophiolite Complex...Whiteschist Formation after the nearby Kadunguri Hill, grid reference ST 9619 3497). Aeromagnetic maps...blocks situated within the outlined ellipsoidal region. Position X marks a small exposure where the boundary |  | | Journal (article/letter/editorial) | | amphibolite from the Paleoproterozoic Usagaran Belt, Tanzania Keiko MORI*, Tatsuki TSUJIMORI*,** and Nelson...Geology, University of Dar es Salaam, Dar es Salaam, Tanzania ** We report a newly discovered assemblage of...of the Paleoproterozoic Usagaran Belt, central Tanzania. The amphibolite is characterized by the mineral...Amphibolite, Highāpressure metamorphism, Usagaran Belt, Tanzania INTRODUCTION Occurrence of talc in crustal composition...amphibolite from the Paleoproterozoic Usagaran Belt, Tanzania. The amphibolite is characterized by the mineral |  | Muhongo, S., Krƶner, A., Wallbrecher, E., Tuisku, P., Hauzenberger, C., Sommer, H. (2001) Cross-Section Through the Mozambique Belt of East Africa and Implications for Gondwana Assembly. Gondwana Research, 4 (4) 709-710 doi:10.1016/s1342-937x(05)70506-2 | Journal (article/letter/editorial) | | Department of Geology, University of Dar-es-Salaam, Tanzania, E-mail: muhongo@udsm.ac.tz lnstitut fur Geowissenschaften...the best exposures are in East-Central, and NE-Tanzania (Uluguru-, Pare-Usambara mountain ranges); and...Gondwana Research, V 4,No. 4,2001 640 Ma using single zircon evaporation and SHRIMP ages on metamorphic zircons...granulite-facies rocks of eastern and north eastern Tanzania (Muhongo, et al., 2001). Gneisses (ca. 800Ā°C/10...Ophiolite Complex in the Kenya/ Ethiopia border region. The original gabbro in this complex crystallized |  | | Book | | GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published by Struik...resources 12 Burundi 13 Kenya 14 Rwanda 16 Tanzania 17 Uganda 20 Gemological properties 21 A to...through Tanzania, Kenya, Ethiopia and into the Sudan - has blessed East Africa, Kenya and Tanzania, with...starting in what was then Tanganyika ( now mainland Tanzania) and then progressing to Kenya - I am proud to...countries are among the finest in the world. The region and its gems are particularly dear to my family |  | Grew, Edward S., Pertsev, Nikolai N., VrĆ”na, Stanislav, Yates, Martin G., Shearer, Charles K., Wiedenbeck, Michael (1998) Kornerupine parageneses in whiteschists and other magnesian rocks: is kornerupine + talc a high-pressure assemblage equivalent to tourmaline + orthoamphibole?. Contributions to Mineralogy and Petrology, 131 (1) 22-38 doi:10.1007/s004100050376 | Journal (article/letter/editorial) | | six localities worldwide, but only at Chilapila Hill in the LuĀ®lian Arc, Zambia do textural relationships...assemblage has also been reported from Mautia Hill, Tanzania (P Ā£ 13 kbar). In order to estimate possible...kyanite. A reaction relating the Mulvoj and Chilapila Hill (Krn + Tlc + Ky + Qtz + Tur) parageneses is calculated...metamorphic pressures estimated for Mulvoj and Chilapila Hill, Krn + Tlc is inferred to be favored by increasing...least one of the phases in the Mulvoj and Chilapila Hill whiteschists (e.g., Krn contains 0.24Ā±0.67 wt% BeO) |  | | Report (chapter) | | The present-day Gregory Rift Valley in northern Tanzania is an elongate northāsouth half graben flanked...and northern ends, respectively. The northern Tanzania volcanic province is younger overall than the...surface interface between the Archaean rocks of the Tanzania Craton and the north āsouthtrending Mozambique...volcanoes, which overlies cratonic rocks, the Tanzania Geological Survey maps show the volcanic province...Usagara Mountains at the southeastern margin of the Tanzania Craton (Quennell et al. 1956). Such rocks extend |  | | Journal (article/letter/editorial) | | Mozambique Belt and Unango-Marrupa Complex in SE Tanzania T Epiphania G. Mtabazia, Nelson Bonifacea, ...Geology Department, P.O. Box 35052, Dar es Salaam, Tanzania University of Oslo, Department of Geosciences...Basin Geochronology Zircon Monazite Mozambique Belt Unango-Marrupa Complex SE Tanzania We present geochronological...orthogneisses, granitoids, and supracrustal rocks from SE Tanzania to characterize the transition zone between the...Neoproterozoic Mozambique Belt. Geochronological data (U-Pb zircon; LA-ICP-MS) indicate that the emplacement of orthogneisses |  | | Journal (article/letter/editorial) | | Australia d Geological Survey of Tanzania, P.O Box 903, Dodoma, Tanzania b c a r t i c l e i n f o Article...2012 Keywords: Tanzania Craton Gold endowment Tectonic framework Lake Victoria Region Undiscovered resources...resources Southern East African Orogen Central Tanzania Region a b s t r a c t The lack of new gold discoveries...in recent times has prompted suggestions that Tanzania is mature or approaching maturity, in terms of...the following three regions: 1) the Lake Victoria Region, comprising the gold-endowed East Lake Victoria |  | | Journal (issue) | | āSugarcane Emeraldā from Brazil ā¢ Orange kyanite from Tanzania ā¢ Rare optical phenomenon in play-of-color opal...pollucite from Afghanistan ā¢ Serpentine catās-eye ā¢ Zircon mining in Cambodia ā¢ Conference reports S1 Letters...Dona Dirlam wrote part of her 1992 āGem Wealth of Tanzaniaā article sitting at my backyard patio table, while...gemological occurrence of pegmatitic gems in the region, as well as research. Based on his decade of experience...Dirlam et al. surveyed the colored stone wealth of Tanzania. Adolph Peretti and coauthors provided the authoritative |  | Tenczer, V., Hauzenberger, Ch., Fritz, H., Hoinkes, G., Muhongo, S., Klƶtzli, U. (2013) Crustal age domains and metamorphic reworking of the deep crust in Northern-Central Tanzania: a U/Pb zircon and monazite age study. Mineralogy and Petrology, 107 (5) 679-707 doi:10.1007/s00710-012-0210-1 | Journal (article/letter/editorial) | | of the deep crust in Northern-Central Tanzania: a U/Pb zircon and monazite age study V. Tenczer & Ch...Geochronological data are presented from Northern Tanzania, where deep-crustal terranes of different age...Belt of northern Tanzania and related to thrusting onto the Tanzanian Craton. The Tanzania Craton itself...the Paleoproterozoic Usagaran Belt in northern Tanzania. Here the gneisses contain relicts of reworked...Muhongo University of Dar es Salaam, Dar es Salaam, Tanzania U. Klƶtzli Department of Lithospheric Resarch |  | Sanislav, I.V., Wormald, R.J., Dirks, P.H.G.M., Blenkinsop, T.G., Salamba, L., Joseph, D. (2014) Zircon UāPb ages and LuāHf isotope systematics from late-tectonic granites, Geita Greenstone Belt: Implications for crustal growth of the Tanzania Craton. Precambrian Research, 242. 187-204 doi:10.1016/j.precamres.2013.12.026 | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/precamres Zircon UāPb ages and LuāHf isotope systematics from late-tectonic...Greenstone Belt: Implications for crustal growth of the Tanzania Craton I.V. Sanislav a,ā , R.J. Wormald a , P...Geita Gold Mine, P.O. Box 532, Geita, Geita Region, Tanzania a r t i c l e i n f o Article history:...online 10 January 2014 Keywords: Tanzania Craton Archean granites Zircon ages LuāHf isotopes Crustal evolution...to the late high-K granites from the MusomaāMara region, they have lower SiO2 content and higher TiO2 |  | | Journal (article/letter/editorial) | | these belts, but are particularly abundant in Tanzania, Madagascar, southern India, Sri Lanka, Mozambique...a contiguous region of 0.7ā0.5 Ga granulites with an area >2 million km2. This region lies at the intersection...deeplyāeroded granulites in the Mozambique Belt of Kenya, Tanzania and Mozambique (Holmes, 1951; Mosley, 1993; Shackleton...but ļ¬rst I summarise major tectonic units in the region (Fig. 5), beginning with the cratonic margins in...African Orogen, and its eastern edge comprises the Tanzania, Kasai and Bangweulu cratons and the Usagaran |  | | Journal (article/letter/editorial) | | shear zone, and we performed U-Pb SHRIMP dating on zircon and U-Th-total Pb dating on monazite. Widespread...metamorphic event at 650ā600 Ma (M1) in monazite cores. Zircon generally shows both metamorphic ages. Therefore...supercontinent, most likely related to the collision of the Tanzania Craton with the Azania microcontinent subsequent...sapphirine-quartz, ultrahigh-temperature metamorphism, U-Pb zircon SHRIMP dating, U-Th-Pb monazite dating. 1. Introduction...collision of the Congo Craton (i.e., the Congo/Tanzania/ Bangweulu Block of Collins & Pisarevsky, 2005) |  | | Journal (article/letter/editorial) | | high-pressure granulites of the Pan-African belt in Tanzania (Uluguru Mts): a record of prograde to retrograde...Mountains are part of the Pan-African belt of Tanzania, the metamorphic evolution of which is characterized...belong to the high-grade metamorphic complexes in Tanzania which, like Furua, the Pare- and Usambara-Mountains...for the Pare- and Usambara-Mountains in northern Tanzania (Fig. 3): 1. Rare kyanite and staurolite inclusions...Schematic map of the main geological units of eastern Tanzania. Shaded areas represent the high-pressure granulites |  | TENCZER, V., HAUZENBERGER, C. A., FRITZ, H., HOINKES, G., MUHONGO, S., KLĆTZLI, U. (2011) The P-T-X(fluid) evolution of meta-anorthosites in the Eastern Granulites, Tanzania. Journal of Metamorphic Geology, 29 (5) 537-560 doi:10.1111/j.1525-1314.2011.00929.x | Journal (article/letter/editorial) | | of meta-anorthosites in the Eastern Granulites, Tanzania V . T E N C Z E R , 1 C . A . H A U Z E N B E...Geology, University of Dar es Salaam, Dar es Salaam, Tanzania 3 Center for Earth Sciences, University of Vienna...constituents of the Neoproterozoic Eastern Granulites in Tanzania. The mineral assemblage (and accessory components)...Granulites; Mozambique Belt; PāTāX evolution; Tanzania. INTRODUCTION Although anorthosites are unique... 1993). In the Neoproterozoic mobile belts of Tanzania, metaanorthositic bodies are commonly found as |  | | Journal (article/letter/editorial) | | Implication for an orogenic cycle between the Tanzania Craton and Bangweulu Block during the assembly...Implication for an orogenic cycle between the Tanzania Craton and Bangweulu Block during the assembly...Implication for an orogenic cycle between the Tanzania Craton and Bangweulu Block during the assembly...Dar es Salaam, P.O. Box 35052, Dar es Salaam, Tanzania b Kiel University, Institute of Geosciences, 24098...Ubendian Belt was followed by a collision between the Tanzania Craton and the Bangweulu Block and tectonometamorphic |  | | Journal (article/letter/editorial) | | African Orogen Fission-track dating Gondwana UāPb zircon geochronology a b s t r a c t Geodynamic processes...supercontinent. Using geochronological methods (e. g. UāPb zircon and monazite as well as titanite and apatite ļ¬ssion-track...northern Madagascar has been deciphered. New SHRIMP zircon ages of ca. 540 Ma and published monazite ages...collapse and escape tectonics. On the other hand, for Tanzania it can be shown that the 630 Ma high-grade metamorphism...in the south (SĆ©rie de Sahantaha) and a central region that is dominated by metagranitoids and granites |  | | Journal (article/letter/editorial) | | isochrons of ā¼ 2.4 Ga, within uncertainty of UāPb zircon ages from the same sample suite. The Pb isotopic...our data imply that the cratonic lithosphere in Tanzania formed ca. ā¼ 2.7 Ga, in a convergent margin setting...thermochronology of accessory phases (e.g., apatite, monazite, zircon, rutile) from lower crustal xenoliths of the Kaapvaal...having little common Pb such as monazite, titanite, zircon, apatite and rutile), or, if there is a spread...domains: a low 238U/204Pb region retaining common Pb and a higher 238U/204Pb region with more radiogenic Pb |  | | Journal (article/letter/editorial) | | minerals, 4th supplementary list of, I69 Broken Hill, New South Wales, ilvaite, rhodonite, hydrogrossular...twinning, post-growth readjustment of, 288 Cedar Hill, Pennsylvania, deweylite, 75 Celadonite, Bohemia...abnormal morphology from volcanic carbonatites in Tanzania, Kenya, Greenland, and India, 463 Deccan, India...talc-like mineral, 282 Dhajala, Surendranagar District, Gujarat, India, meteorite, 493 Diabantite, New...as inclusions in cordierite, anal., 48I Donabanda Hill, Kondapalli, Andhra Pradesh, India, allanite, 28o |  | Grew, E. S., Chernosky, J. V., Werding, G., ABRAHAM, K., MARQUEZ, N., HINTHORNE, J. R. (1990) Chemistry of Kornerupine and Associated Minerals, a Wet Chemical, Ion Microprobe, and X-Ray Study Emphasizing Li, Be, B and F Contents. Journal of Petrology, 31 (5) 1025-1070 doi:10.1093/petrology/31.5.1025 | Journal (article/letter/editorial) | | 134H 142-1B 142-1C South Africa Zimbabwe Uganda Tanzania Madagascar India East Germany Norway Canada...(He) Corundum (Cm) Rutile (Rt) Magnetite (Mag) Zircon (Zm) Other* Reference no. Sample no. X ā ā ā...(He) Corundum (Crn) Rutile (Rt) Magnetite (Mag) Zircon (Zrn) Other' IH X IH X X X X X X 17 16 ...granulite-facies rocks of the Wawa-Kapuskasing region, Ontario (0-054-0-14 wt.% Li 2 O; Shaw et al, 1988b)...replacement reactions involving tourmaline, Fiskenaesset region, W. Greenland. Neues Jahrb. Miner. Mh. 1984, 490-500 |  | | Journal (article/letter/editorial) | | in the extended history of the Zambezi Belt this region was subject to tectonothermal regimes similar to...understanding the development of this complex tectonic region, as they lie at the triple junction between the...lithologically diverse section is centred around Kadunguri Hill (GR[ST 9619 3498]) (Fig. 3). STRUCTURAL SETTING...3. Detailed geological map of the Kadunguri Hill region. Circled stars indicate the localities of samples...with the type locality of this mineral (Mautia Hill, Tanzania; McKie, 1959) has been given by Johnson |  | | Journal (article/letter/editorial) | | (Archhani) in Nepal and orange kyanite from Loliondo in Tanzania, investigated in this study, cut as gemstone can...Czech Republic, Russia, Greece, Brazil, Nepal, and Tanzania (Fig. 1). Trace element concentrations were determined...10 cm. b Orange kyanite crystal from Loliondo, Tanzania. The length of the crystal is 5 cm. Collection...constrained A Mn-rich metasediment Ngorongoro, Arusha Tanzania Loliondo Hacker and Gans (2005), 2 Putlitz et...of kyanite with high Mn content is from Mautia Hill, Tanzania, with 190 Āµggā1 Mn (Chadwick and Rossman |  | | Journal (article/letter/editorial) | | McKm er,n A. J. Rmloru. (1959)' silicate from Mautia Hill, Tanganyika' Mineralog. Mag',32,282-307 insoluble...muscovite granite, Inner Mongolia, associated with zircon, rnicrocline, quartz, muscovite, garnet, and thorianite' |
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