| | Report (issue) | Report No. 45 COLONY AND PROTECTORATE OF KENYA MINISTRY OF COMMERCE Ä N D INDUSTRY GEOLOGICAL SURVEY...DEGREE SHEET 41, SOUTH-WEST QUARTER AND PART OF NORTH-WEST QUARTER (with Coloured Maps) G. J. H. McCALL...DEGREE SHEET 4J, SOUTH-WEST QUARTER AND PART OF NORTH-WEST QUARTER (with Coloured Maps) by G. J. H. McCALL...of South Nyanza, in the south-western corner of Kenya. It is a most important area as in its northern...places in the world. The geology of the area is complex and, in the time available for the primary survey | | | Journal (article/letter/editorial) | Alkaline Syenites at Ruri, Kenya 209 Alkaline Syenites at Ruri, South Nyanza, Kenya x By WILLIAM PULFREY...ABSTRACT Alkaline syenites from the Ruri Hills in Western Kenya are described, and the hypothesis advanced...around the Ruri Hills (Text-fig. 1), near Homa Bay, in South Nyanza province of Western Kenya. The sequence...miles north-east of North Ruri, where carbonatites and the volcanic rocks characteristic of the Ruri centres...The syenodiorite outcrops on the flank of South Ruri and is described here with the feldspathoidal syenites | | | Journal (article/letter/editorial) | Ž1996. found that biotites from the Stillwater complex, Montana have an average d 37 Cl of y0.18‰. On...most of the chlorine present in the Stillwater complex was derived from a subducted crustal source. In...Õan Groosr Chemical Geology 140 (1997) 137–143 complex, Transvaal, S. Africa, and sample 85CK64 is a magnetite-bearing...magnetite-bearing Proterozoic sovite from the ¨ Kruidfontein complex, Transvaal, S. Africa ŽClarke and Le Bas, 1990...Tertiary age, is from the ¨ north side of the Homa mountain complex, W. Kenya ŽFlegg et al., 1977.. The | | | Journal (article/letter/editorial) | Brøgger in 1921 for certain rocks of the intrusive complex at Fen in southern Norway. He described fenite...country-rock in contact with the igneous rocks of the Fen complex; however, he did not apply the term to rocks produced...around other carbonatites of the same intrusive complex (Dixey et al. 1955, Brown 1964, Garson 1965, von...fenites surrounding the carbonatites of the Tundulu complex, Malawi, Garson (1962) traced in detail, with supporting...Rosatelli et al. (2003) at the Rangwa caldera complex in western Kenya. Also, well exposed at Landslide Gully | | | Journal (article/letter/editorial) | together with published analyses from fenites of Kenya, Uganda and Tanzania, include those of co-existing...mineral is aegirine-augite, iNew analyses of richterite, magnesioarfvedsonite and aegirine from carbonate-rich...alkali metasomatism of rocks surrounding the Fen complex in Norway, fenitization has been found to have...rock (Fig. 1). The veinlets usually consist of aegirine and pale blue-green sodic amphibole intimately...1953]), acid volcanics (I{oma) and even basalts (Ruri). Some of these localities are shown in Fig. 2. | | | Book (edition) | detailed geological survey of the Alné Island complex and announced his results in a series of papers...most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his...fairly pure calcite (Garson and Smith, 1958). The complex was first studied by F. Dixey, and it was he who...detailed and complete studies of a carbonatitic complex. Between 1950 and 1956 there took place the most...presented by Leonardos (1956A, B). The Fen, Norway, complex has been restudied by Saether (1958); that of the | | | Book | in Commonwealth Countries United Kingdom Ghana Kenya Malawi Rhodesia Sierra Leone Tanzania Uganda Zambia...139 Brazil Paraguay Peru 139 140 China Korea (North) 141 141 Republic of Indonesia Turkey 142 References...nepheline-bearing rocks in parts of Uganda and Kenya page 62 Figure 6 Nepheline-syenite occurrences...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 | | | Report (issue) | Commonwealth Countries 46 46 49 49 51 United Kingdom Kenya British Virgin Islands Canada India 51 52 Australia...beneficiation by flotation W ollastonite deposits in Kenya Wollastonite deposits in Finland Wollastonite deposits...have been, or are being, produced in Australia, Kenya, India, New Zealand, the Republic of the Sudan,...being Vesuyius; · okenite, after a locality in north Greenland; .. aedelforsite, .after .Aedelfors in...93·16 (b) MnO. ·. Essex County, N.Y. Comn1ercial wollastonjte. Kem County, California. Commercial wollastonite | | | Book | . . . . . . . . . . . . . . . 4.9.1 Batbjerg Complex . . . . . . . . . . . . . . . . . . . . . . 4.9...48°22′E) . . . . . . . . . . . . . . 4.12.5 Ishimskii Complex (51°17′N, 66°33′E) . . . . . . . . 4.12.6 Daubabinskoe... . . . . . . . . . . . . . 4.12.18 Dezhnevski Complex (66°05′N, 169°47′W) . . . 4.12.19 Andriyanovka...8 Trace Element Geochemistry for Ringgit-Beser Complex (Indonesia) . . . . . . . . . . . . . . . . . ...determination and study of more than forty new complex synthetic systems relevant to their genesis, are |
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