 | | Journal (article/letter/editorial) | | 837--46 Talc-kyanite-quartz schists and other high-pressure assemblages from Zambia I S. VRNNA and M. W...Department, Lusaka, Zambia S U M M A R Y . Talc-kyanite-quartz schists, Mg-chlorite-kyanite-quartz schists...kyanite-bronzite gedritites occur in the Central Province of Zambia. Experimental work in the system MgO-Al~O~-SiOrH20... The yoderite-bearing talc-kyanite-quartz schist from Mautia Hill, Tanzania (McKie, i958 ) is, as far...assemblage, z Talc-kyanite-quartz assemblages from the Central Province of Zambia occur in a group of schists |  | Grew, Edward S., Pertsev, Nikolai N., Vrána, 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) | | localities worldwide, but only at Chilapila Hill in the Lu®lian Arc, Zambia do textural relationships imply...Tlc assemblage has also been reported from Mautia Hill, Tanzania (P £ 13 kbar). In order to estimate possible...system MgO-Al2O3-SiO2-H2O (MASH) for seven phases quartz (Qtz), B-free kornerupine sensu stricto, anthophyllite...kyanite. A reaction relating the Mulvoj and Chilapila Hill (Krn + Tlc + Ky + Qtz + Tur) parageneses is...metamorphic pressures estimated for Mulvoj and Chilapila Hill, Krn + Tlc is inferred to be favored by increasing |  | | Journal (article/letter/editorial) | | rocks of the Irumide age in Lower Luangwa Valley, Zambia Stanislav Vrána and Petr Sulovský With 7 figures...Mg-Al-rich rocks of the Southern Irumide Belt in Zambia contain mineral assemblages consisting of sapp...Palaeoproterozoic Muva Supergroup, or kyanite-quartz-talc schists in the Rufunsa Metavolcanic Formation. Key words:...Muva Supergroup, Irumide event, polymetamorphism, Zambia. Introduction The present literature on sapphirine...probably the first occurrence of sapphirine in Zambia. Regional geology and previous geochronological |  | | Journal (article/letter/editorial) | | notice some of the salient ~\/,,"' \ ~I0- ~ s Quartz (O) / ,iI \, // TaJc/ Gordierite \ (Tc~' ~...permission o f . . . assemblages chlorite-quartz, yoderite-quartz, yoderite-cordierite, cordieritec o r u...n d u m , cordierite-sapphirine, and sapphirine-quartz are created. All these assemblages h a v e in c...pressure release, due to formation of chlorite and quartz. Thus whiteschists and greensehists having compositions...reaction relationship talc + kyanite--~ chlorite + quartz. (1) At higher temperatures the low-pressure breakdown |  | | Journal (article/letter/editorial) | | Tajikistan (Grew et al. 1990b, 1998) and Chilapila Hill, Lufilian arc, Zambia (Vrána & Barr 1972), respectively...for incorporation of Be in kornerupine, the Chilapila Hill sample (8HC 161, denoted here as K53) was investigated...Eastern Ghats Belt at Venugopalapuram, Vizianagaram district, Andhra Pradesh, India: do such lenses have a...(1972): Talc – kyanite – quartz schist and other high-pressure assemblages from Zambia. Mineral. Mag. 38, 837-846 |  | | Journal (issue) | | River, and certain areas bordering the Barotse Province, were not traversed, because ,vork in surrounding...became clear that the Broken Hill series of the Loangwa Concession and the Lusaka Series of the Rhodesia Minerals...per cent. copper. About 30 miles south-west of Lusaka, diamond drilling at the King Edward Mine indicated...structure of the lead-zinc vanadium deposits of Brol{en Hill, followed by diamond drilling, dis closed ore reserves...five large mines-Nkana, Mufilira, Nchanga, Broken Hill and the Roan-now give employment to about 4,000 |  | | Report (volume) | | magmas: Dravite 376 Tourmaline stability in magmas: Quartz-tourmaline assemblages 376 Tourmaline stability...Geothermal Systems Evaporites Tourmaline General Broken Hill (Australia) Barberton (South Africa) Evolution of...Russian Far East, and Mg-Fe borates in the Liaoning Province, China. In compiling the Table, whenever possible...for the Early Proterozoic deposit in Liaoning Province, China is that the deposit formed by metamorphism...within pyroclastic rocks of the Roman Potassic Province. Rendiconti Fis Acc Lincei, ser 9, 1:159-163 Delia | | | Report (volume) | | :cceeeeeeeeeeees Tourmaline stability in magmas: Quartz-tourmaline assemblages...... Tourmaline stability...Russian Far East, and Mg-Fe borates in the Liaoning Province, China. In compiling the Table, whenever possible...for the Early Proterozoic deposit in Liaoning Province, China is that the deposit formed by metamorphism...within pyroclastic rocks of the Roman Potassic Province. Rendiconti Fis Acc Lincei, ser 9, 1:159-163 Della...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd |  | | Book (edition) | | feldspars Plagioclase feldspars Silica minerals Quartz, Tridymite, Cristobalite Feldspathoids Nepheline...photomicrographs from the W.S. MacKenzie collection The McGraw-Hill Companies for figures from Igneous Petrology; Microscopic...MW NNO QFM WM fayalite + oxygen > magnetite + quartz hematite magnetite iron + oxygen > wüstite magnetite...wüstite + oxygen nickel + oxygen > nickel oxide quartz–fayalite–rnagnetite wüstite–magnetite Units of...OEn: orthoenstatite; PEn: protoenstatite; Q: high quartz; Cr: cristobalite; L: liquid. 6 Mg2SiO4 + Mg3Si4O10(OH)2 |
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