 | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | methods (e. g. UāPb zircon and monazite as well as titanite and apatite ļ¬ssion-track dating), a detailed cooling...the evolving sedimentary basins recorded by the titanite and apatite ļ¬ssion-track ages ranging between...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...correlated with the Seychelles and the Rajasthan region of India (Fig. 1). A rhyolite of the northern area |  | 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)...amphibole; scapolite, epidote, biotite, rutile, titanite, ilmenite and quartz. Within the feldspar-rich...Granulites; Mozambique Belt; PāTāX evolution; Tanzania. INTRODUCTION Although anorthosites are unique |  | | Journal (article/letter/editorial) | | our data imply that the cratonic lithosphere in Tanzania formed ca. ā¼ 2.7 Ga, in a convergent margin setting...minerals having little common Pb such as monazite, titanite, zircon, apatite and rutile), or, if there is...domains: a low 238U/204Pb region retaining common Pb and a higher 238U/204Pb region with more radiogenic Pb...the Fig. 1. Simpliļ¬ed geologic map of northern Tanzania (modiļ¬ed after Cutten et al., 2006; Fritz et al...is no evidence for a 2.0 Ga event in northern Tanzania (Blondes et al., 2009; Cutten et al., 2006; Fritz |  | 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) | | 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:...2013 Available online 10 January 2014 Keywords: Tanzania Craton Archean granites Zircon ages LuāHf isotopes...to the late high-K granites from the MusomaāMara region, they have lower SiO2 content and higher TiO2 ...greenstone material. Available zircon ages from the Tanzania Craton suggest that crustal growth occurred in |  | | Journal (article/letter/editorial) | | supercontinent, most likely related to the collision of the Tanzania Craton with the Azania microcontinent subsequent...collision of the Congo Craton (i.e., the Congo/Tanzania/ Bangweulu Block of Collins & Pisarevsky, 2005)...east and west of the āāWestern Granulitesāā of Tanzania (Hauzenberger et al., 2009), and finally younger...younger clockwise whiteschist metamorphism in Tanzania (JoĢns & Schenk, 2004), pointing to a collisional...findings that India did not collide with the Congo/Tanzania/Bangweulu Block until the early Cambrian (e.g |  | | Journal (article/letter/editorial) | | from a number of localities, including Mautia Hill (Tanzania), Sar e Sang (Afghanistan), Serra das Ćquas...fine-grained sericite, and rutile by ilmenite and late titanite. Eclogite The host medium- to fine-grained eclogite...plagioclase, opaque minerals, and rare biotite. Rutile, titanite, apatite, magnetite and zircon are common accessories...epidote, garnet and ilmenite. Common accessories are titanite, apatite, allanite Mineral chemistry Table 1a...epidote, and rutile earlier by ilmenite and later by titanite. In the whiteschist, temperatures of 670 Ā± 40Ā°C |  | Tarantola, , Voudouris, , Eglinger, , Scheffer, , Trebus, , Bitte, , Rondeau, , Mavrogonatos, , Graham, , Etienne, , Peiffert, (2019) Metamorphic and Metasomatic Kyanite-Bearing Mineral Assemblages of Thassos Island (Rhodope, Greece) Minerals, 9 (4) 252 doi:10.3390/min9040252 | Journal (article/letter/editorial) | | quartz, anorthite/bytownite, epidote, grossular, titanite and Mn-bearing clinozoisite from an outer band...quartz, plagioclase, garnet, epidote, Ti-hematite, titanite, rutile and apatite (Figure 6b). Magnetite with...exceed 8.15 wt. % (Table S6b). The composition of titanite and rutile is given in Table S9a. Chlorite, staurolite...anorthite/bytownite, clinozoisite/epidote, grossular, titanite and pink clinozoisite from an outer band adjacent...hornblende, anorthite/bytownite (Table S3d) and titanite (Table S9b) (Figure 6c,d). The composition evolves |  | | Journal (article/letter/editorial) | | Moore & Bennett (1968) on a crystal from Mautia Hill, Tanzania. Further refinements were presented by...Ontario, Grew 1996), Moore et al. (1989; Mautia Hill, Tanzania), and Klaska & Grew (1991; crystal from...TAP; Mn, spessartine, LiF; V, VP2O7, LiF; Ti, titanite, LiF; Ca, diopside, PET; K, orthoclase, PET (not |  | Boger, S.D., Hirdes, W., Ferreira, C.A.M., Jenett, T., Dallwig, R., Fanning, C.M. (2015) The 580ā520Ma Gondwana suture of Madagascar and its continuation into Antarctica and Africa. Gondwana Research, 28 (3) 1048-1060 doi:10.1016/j.gr.2014.08.017 | Journal (article/letter/editorial) | | Africa though to the SC RI Donning Maud Land region of East Antarctica (Fig. 1a). It likely incorporates...of the Arabian Nubian Shield (Fig. 1b), a vast region underlying much of northeast Africa and Arabia...possibility that a suture is also exposed in this region, the present study presents new age from felsic...with the existing geochronologic dataset from the region and collectively used to map the extent of 630ā600...of metamorphic rather than igneous origin. The region distribution of these strata may also indicate |  | | Journal (article/letter/editorial) | | separated from each other by a 30- to 60-km-wide region, consisting of metasedimentary rocks with enclosed...correlated with the Seychelles and the Rajasthan region of India (Tucker et al., 1999a; Torsvik et al....three distinct regions (Fig. 2b). The southern region is 50ā150 km wide, extends from the area around...is bordered to the north by a 50- to 80-km-broad region, dominated by metagranitoids and granites. The...volcaniclastic sediments (Hottin, 1976). Coarse-grained titanite-, epidote- and garnet-bearing amphibolites are |  | | 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) | | compositionally unique (Al-, Fe-, Nb-, and Zr-rich) titanite from Afrikanda, Russiaā Anton R. Chakhmouradian...J. Serna 760 Green earth pigment from the KadaƱ region, Czech Republic: Use of rare Fe-rich smectiteāDavid...impact crater field on Earth in the Gilf Kebir region, EgyptāPhilippe Paillou, Ahmed El Barkooky, Aly...dissociation: ODP Site 893, Santa Barbara basināT.M. Hill, J.P. Kennett, and H.J. Spero 127 Vol. 223, No....granitoids of auriferous districts in the upper Amur region: New geochemical dataāV.E. Strikha and V.G. Moiseenko |  | | Journal (article/letter/editorial) | | OF DAR ES SALAAM, PO BOX 35052, DAR ES SALAAM, TANZANIA RECEIVED AUGUST 12, 2013; ACCEPTED APRIL 11,...entrained within Quaternary rift basalts in northern Tanzania document the composition, equilibration conditions...Menzies et al., 1993; Griffin et al., 1998). In Tanzania, Quaternary basalts are a consequence of active...volcanoes erupted through the crust of northern Tanzania (Jones et al., 1983a; Cohen et al., 1984; Lee...African Rift is having on the deep crust in this region. Accordingly, we have undertaken a comprehensive |  | | Journal (article/letter/editorial) | | 2006; Tomkins et al. 2007) and Ā±20 Ā°C for Zr-in-titanite (Hayden et al. 2008), similar to the measured...evolution of garnet granulites from the Kharta region of S Tibet, E Himalaya. European Journal of Mineralogy...ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology, 21,...petrology of the Furua granulite complex, southern Tanzania. GUA Papers of Geology, 13, 1ā258. Conrad, W.K...amphibolite facies at Vardalsneset, Western Gneiss Region, Norway. Journal of Metamorphic Geology, 18, 241ā257 |  | | Journal (article/letter/editorial) | | et al. ( 1995 ), suggests that the Harts Range region has experienced substantial crustal reworking at...kbar, Scrimgeour and Sandiford, 1993 ), the Broken Hill Inlier (peak conditions of 700-800Ā°C, 5-6 kbar,...the Entia Dome, concentrating on the northeastern region where a supracrustal assemblage contains a wide...approximately 200,000 km 2 in the Alice Springs region (Fig. 1 ). It has been extensively mapped to the...853-77 Z 1" X 853-102 Z 2* X X X P P P titanite X zircon X zircon X corundum X Rbt X |  | | Journal (article/letter/editorial) | | saturation in other Ti phases like ilmenite or titanite (e.g., Watson et al. 2006; Claiborne et al. 2006;...amphibole, biotite, quartz, and traces of ilmenite, titanite, zircon and apatite (Robinson et al. 2002). The...of whiteschists and associated rocks at Mautia Hill (Tanzania): fluid infiltration during highgrade metamorphism |  | | Book (volume) | | cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as āfingerprint regionā sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR...vibrations of a large number of atoms within the region of coherent vibrations. However, in real periodic |  | | Book | | Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam Reprinted from: Minerals 2018, 8...Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights...as a late magmatic accessory phase from Mexico, Tanzania, and Vietnam. Diļ¬erences in the rare earth elements...on another occurrence of sapphires in the same region of the South Urals occurring in anorthosites (kyshtymites)...evolution of alluvial sapphires from the Orosmayo region (Jujuy Province, NW Argentina) and importantly |  | | Book (edition) | | Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Kara-oba Mo-W deposit), Betpakdala desert. Karaganda region, central Kazakhstan. 56. 635, ZV.\.fO 99(3), 333-339...Akhtenskoe deposit. near Magnitka village. Zlatoust region. south Urals, Rus ia. 75, 93 I. /At,:s, ser. gcol...Aktash mercury deposit, Kurai Range. Kosh-Agach district. Gomiy Altay. Russia. 58. 562. l'MR M" 111-129...trimorph. with Barytocalcite and Paralstonite. Brownley Hill mine, enthcad, ncar Alston, Cumbria (Cumbcrland) |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g.... canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country names...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Rare-with scorodite in U-bearing lignite in the Caves Hill and Slim Buttes areas, both Harding Co .. South |  | | Report (volume) | | (1954) reports 0.33 wt% Cr2O3 in zoisite from Tanzania and Grapes (1981) 0.23 to 0.40 wt% Cr2O3 (0.014...Hurlbut 1969), found in the Merelani area in NE Tanzania (Malisa 1987). Sapphire blue zoisite occurs in...the pleochroism of vanadium-bearing zoisite from Tanzania. Can Mineral 10: 812-821 Fehr KT, Heuss-AĆbichler...Abh 116:41-60 Hurlbut CS (1969) Gem zoisite from Tanzania. Am Mineral 54:702-709 Hutton CO (1938) On the...Hutton CO (1940) Metamorphism in the Lake Wakatipu region, western Otago, New Zealand. Dept Sci Ind Res, |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street ā¢ Dallas, TX 75207 Session...Collection LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street ā¢ Dallas, TX 75207 Wednesday...Mine (Apex-Dixie Mine), Jarvis Peak, Tutsagubet District, Beaver Dam Mountains, Washington County, Utah...Quarry, Jalgaon, Dindori (Dhindori), Nashik District (Nasik District), Maharashtra, India As straightforward...Shaft 11, Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco This is just a nice |  | | Report (volume) | | REFERENCES: The ACTINIDE ORTHOSILICATES CHAPTER 5. TITANITE (SPHENE) 133 P.H. Ribbe INTRODUCTION I37 CRYSTAL...high temperatures Nonsilicates isostructural with titanite and malayaite CRYSTAL CHEMISTRY 142 Immiscibility...chemical substituents Summary of substituents in titanite The 7-ooordinated Ca polyhedron The underbonded...139 140 141 141 148 148 149 149 150 150 150 TITANITE 152 vit CHAPTER 6. CHLORITOID P.H. Ribbe...+ + + + Periodicity + 1 (einer) 2 (zweier) Hill 3 (dreier) ++ + 4 (vierer) ++ 5 (fĆ¼nfer) ++ |
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