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NOTE ON THE KAPITI PHONOLITES AND KENYTES OF KENYA COLONY W. CAMPBELL SMITH ROCKS COLLECTED BY W. THESIGER... NOTE ON THE KAPITI PHONOLITES AND KENYTES OF KENYA COLONY BY W. CAMPBELL SMITH WITH NEW CHEMICAL... NOTE ON THE KAPITI PHONOLITES AND KENYTES OF KENYA COLONY By W. CAMPBELL SMITH With new chemical...the strati graphically later (i.e. younger) Mt. Kenya Volcanic Suite. Under the microscope, however, it...around the central plug of Mt. Kenya, of which black glass and large anorthoclase crystals are the most conspicuous |
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59 GOVERNMENT OF- KENYA MINISTRY OF NATURAL RESOURCES GEOLOGICAL SURYEY OF KENYA OF THE NORTH--MA€HÄKOS-l4EIIKA•...an area of about 1,200 square miles of central Kenya in the Central and Southern Provinces, about thirty...peneplains. The north-western end of the lava-capped Yatta Plateau passes across the area east of Ol Doinyo Sapuk...report covers the quarter degree sheet 52 N.W. (Kenya) (Directorate of Overseas Surveys sheet No. 149)...extent and lies partly in the Southern Province of Kenya, administered from Machakos, and partly in the Central |
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and P: GACII Physics Dept, University o fNairobi, Kenya Received 26 May 1972 Revised version received 7...three distinct areas: the Kapiti Plains, the Yatta Plateau and the F o r t Hall area (Map I). The surface...~~"O(IE ' THIK,~'A~RYO?PLIK the phonolite. The Yatta Plateau p h o n o l i t e forms a long narrow ridge...which consists of very large phenocrysts o f anorthoclase and w a x y nepheline in a microcrystalline...the Kapiti p h o n o l i t e are quoted. The Yatta Plateau and the Kapiti Plains phonolites have been dated |
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REPUBLIC OF KENYA MINISTRY OF NATURAL RESOURCES AND WILDLIFE GEOLOGICAL SURVEY OF KENYA GEOLOGY OF...the geological mapping of the southern part of Kenya. The southern part of the area is an extension of...Joubert who mapped the Namanga-Bissel area. The Kenya Marble Quarries Co. Ltd. have for over 40 years...south and east of the Kajiado area 10 —Plan of the Kenya Marble Quarries . . 11 —Plan of the diatomite deposit...major structures of the area. The workings of the Kenya Marble Quarries Co. Ltd. are described and other |
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crystals occur. The felspar is determinable as anorthoclase. The pyroxene is recognizable as mgyrine, the...:He shows that the country between the Arehman plateau and the sea consists of three belts of sedimentary... vol. v (1895) pp. 560-61. ' Von Mombassa nach Kitui' Zeitschr. Gesellsch. Erdk. Berlin, vol. xiv (1879)...Valley the great flow of lava that forms the Yatta plateau is no doubt younger than the Sabaki Shales ;...Valley the great flow of lava that forms the Yatta plateau is no doubt younger than the Sabaki Shales ; |
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the Colonies With appende,d summary reports on: Kenya . Uganda • Tanganyika . • • • • • • Northern...Resources COLONIAL GEOLOGICAL ABSTRACTS Part I .-Kenya . • • • • •• Vll ••• Vlll CONTENTS PAGE...selection of these abstracts deals exclusively with Kenya. Papers published since 1950 have been abstracted...of the island. There they have built up a high plateau, now carved by stream erosion into conspicuous...trachytes with phyric anorthoclase. (c) Coarse-grained trachytes with phyric anorthoclase. (d) Phonolitic trachytes |
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MINISTRY OF NATURAL RESOURCES GEOLOGICAL SURVEY OF KENYA GEOLOGY OF THE NAKURU-THOMSON'S FALLSLAKE HANNINGTON...Hannington area 96 12 Sketch of the dissected lava plateau to the south of Ngelesha 13 Sketch of the unconformity...and Rumuruti phonolites and the later phonolite plateau of the DispeiLake Hannington series Plate VIII—Air...Pleistocene grid faults disrupting the phonolite plateau west of Lake Hannington J Plate IX—Panorama showing...(Miocene?) on the left and the later phonolite plateau of the Dispei-Lake Hannington lavas on the right |
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African Plateau: a pre-rift topographic model inferred from the emplacement of the phonolitic Yatta lava...lava flow, Kenya 285 vi CONTENTS MAHANEY, W. C., BARENDREGT, R. W., VILLENEUVE, M., DOSTAL, J., HAMILTON...volcanics and interbedded palaeosols near Mount Kenya 301 CAPITANIO, F. A., FACCENNA, C., FUNICIELLO...characteristics of a 350 km long middle Miocene lava in Kenya to determine a minimum slope required for its outflow...determine a minimum elevation of the source region in Kenya in middle Miocene times of 1400 m. Mahaney et al |
| | Book |
MAGMATIC EVOLUTION OF THE SOUTHERN PART OF THE KENYA RIFT VALLEY B.H. Baker, R. Crossley and G.G. Goles...Paola 87 THE VOLCANOLOGICAL DEVELOPMENT OF THE KENYA RIFT L.A.J. Williams 101 SPATIAL AND TEMPORAL...TEMPORAL VARIATIONS IN BASALT GEOCHEMISTRY IN THE N. KENYA RIFT S.J. Lippard and P.H. Truckle 123 PALEORIFTS...vii ORIGIN OF THE MAGMAS OF THE VESTFOLD LAVA PLATEAU C. Oftedahl 193 PETROLOGY OF THE SKIEN BASALTIC...TL-Tornquist Line, VG-Viking Graben, VP-Voring Plateau. xxii 1. B. RAMBERG AND E.-R. NEUMANN along |
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sedimentological and palaeontological studies in the Kenya Rift Valley project. This, indeed, worked exceedingly... GREGORY RIFT VALLEY TANZANIA; OLORGESAILIE, KENYA I51 10. MARY D, LEAKEY. Olduvai Gorge 1911-1975:...SHACKLETON. Geological Map of the Olorgesailie Area, Kenya 171 12. 13. GLYNN LL. IsAAc. The Olorgesailie...Contents B. Tue Lake Barinco Basin, KENYA 14. GREGORY R. CHAPMAN Basin, Kenya & MAUREEN BROOK. Ghronostratigraphy...stratigraphy of the area west of Lake Baringo, Kenya 225 16. MARTIN H. L. PICKFORD. Geology, palaeoenvironments |
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Contents EDITORIAL PAGE 1 ARTICLES The Chambe Plateau Ring Complex of Nyasaland. By K. V. Stringer, B... CONTENTS PAGE REPORTS FROM THE GEOLOGICAL SURVEYS Kenya Uganda Tanganyika . Northern Rhodesia Nyasaland...INDEX TO VOLUME 6 508 Illustrations The Chambe Plateau Ring Complex of Nyasaland Plate I Plate II Plate...Face of Ring -dyke B. Plateau Ring · facing p. Location Map of Chambe Plateau Area . Outline Map showing... Contents PAGE 1 EDITORIAL . ARTICLES The Chambe Plateau Ring Complex of Nyasaland. By K. V. Stringer, B |
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pegmatite areas include the Pala area of San Diego County in California, the Nuristan area of Afghanistan...marble formed by the metamorphism of limestone. Kenya rubies (Mangari area of the Tsavo West National...climate GEOARCHAEOLOGY 17 Figure 2 Sedgefield, County Durham. Fluxgate gradiometer data. 1 0.5 m. Romano...of these surveys, especially the 1802 survey of County Kilkenny by William Tighe (1766–1816), contain...(it was never claimed) for a geological map of County Dublin, and in 1809, the society commissioned a |
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Radenhein (Austria), Liaotung (China), and Clark County, Nevada (USA). Evaporites The evaporite chemical...carbonate sediment. Trenton Series, Ordovician, Centre County, Pennsylvania, USA. (C) Silicified bioclastic sandstone...taken in water on the southern edge of the Voring Plateau in the Norwegian Sea. In 1818, Sir John Ross recovered...region. Abundant nodule deposits on the Blake Plateau can also be related to strong bottom currents....Wavellite sprays (up to 30 mm across) from Montgom ery County, Arkansas, USA. Museum Victoria specimen M27840 |