| Metasomatism During Whiteschist Metamorphism, Zambezi Belt, Northern Zimbabwe S. P. JOHNSON∗ AND G. J. H. OLIVER...TYPESCRIPT ACCEPTED AUGUST 10, 2001 The Kadunguri Whiteschists are a group of talc- and kyanitebearing...occur in the Chewore Inliers from the Zambezi Belt of northern Zimbabwe. They crop out on the southern margin...natural occurrence of yoderite. Major element analyses define the whiteschists within the relatively...and trace element analyses indicate that the whiteschists originate from the metasomatic alteration of |
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Johnson, S.P, Oliver, G.J.H (2004) Tectonothermal history of the Kaourera Arc, northern Zimbabwe: implications for the tectonic evolution of the Irumide and Zambezi Belts of south central Africa. Precambrian Research, 130 (1) 71-97 doi:10.1016/j.precamres.2003.10.016 |
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| Arc, northern Zimbabwe: implications for the tectonic evolution of the Irumide and Zambezi Belts of south...basement inliers located in the Zambezi Rift Valley of northern Zimbabwe close to the triple junction between...between the Irumide, Zambezi and Mozambique belts of south central Africa. Four contrasting litho-tectonic...basement inliers, namely the Granulite, Quartzite, Zambezi and Ophiolite Terranes, with a protracted geological...orthogneisses in the Granulite, Quartzite and Zambezi terranes. The geochemistry of these orthogneisses |
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Johnson, S. P., Oliver, G. J. H. (1998) A second natural occurrence of yoderite. Journal of Metamorphic Geology, 16 (6). 809-818 doi:10.1111/j.1525-1314.1998.00172.x |
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| 1998, 16, 809–818 A second natural occurrence of yoderite S . P . J OHNS ON A ND G. J . H . OL IV E R *...TR A C T A second example of yoderite has been discovered in whiteschists from the Southern Chewore Hills...Hills of northern Zimbabwe. The mineral is pale green in colour and occurs in an equilibrium assemblage...of 2 5.6 0.4 4 18 2 minerals suggest that the yoderite was formed by reaction between talc, chlorite...between 13 kbar at 590 °C and 21 kbar at 650 °C. The _yoderite_-bearing whiteschist is associated with a 1.4 Ga |
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Franz, Leander, Romer, Rolf L., de Capitani, Christian (2013) Protoliths and phase petrology of whiteschists. Contributions to Mineralogy and Petrology, 166 (1) 255-274 doi:10.1007/s00410-013-0874-5 |
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| ORIGINAL PAPER Protoliths and phase petrology of whiteschists Leander Franz • Rolf L. Romer • Christian de...Springer-Verlag Berlin Heidelberg 2013 Abstract Whiteschists appear in numerous high- and ultrahigh-pressure...form at pressures of 0.5 GPa. The formation of whiteschists largely depends on the composition of the protolith...fO2 enlarges the stability field and stabilizes yoderite. Thus, the scarcity of whiteschist is not necessarily...subduction. Our calculations demonstrate that whiteschists can form by closed-system metamorphism, which |
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