 | | Journal (issue) | | Geological Society of Zimbabwe Newsletter February, 2010 Geological Society of Zimbabwe G Z S Newsletter...Holmes’ presentation on the Chishanya Carbonatite. THE GEOLOGICAL SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY...CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter February, 2010 Contents EDITORIAL …………...November 2009 Symposium of the Geological Society of Zimbabwe …………………………………………….. 5 A Review of the Stratigraphy...Setting of the Palaeoproterozoic Magondi Supergroup, Zimbabwe - Type Locality for the “Lomagundi” Carbon Isotope |  | | Book | | Kalsilite, recalculated from an analysis of a complex phenocryst of kalsilite and nepheline lava of Baruta...crystallises in the hexagonal system and has a complex formula that represents essentially a hydrated...of pressure resulting in the decomposition of complex minerals, like amphibole or biotite, and also in...manganiferous carbonates are less well represented. Complex carbonates containing rare-earths are frequent...NEPHELINE-SYENITE AND PHONOLITE surrounded by a ring complex of feldspathoidal rocks. In several African complexes |
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