 | | Journal (article/letter/editorial) | | Differentiation Trends in Tertiary to Recent Lavas of Kenya* By J. B. WRIGHT ABSTRACT The distribution of Tertiary...Tertiary to Recent lavas in part of south-west Kenya is outlined, and attention drawn to the predominance...feldspar versus silica, for analysed lavas from Kenya and Tanganyika, are used to illustrate the trends...nephelinitic lavas and carbonatite complexes in Kenya is discussed and the possibility mooted that the... INTRODUCTION THE Tertiary to Recent lavas of Kenya are a typical continental sodic alkaline suite, |  | | Report (issue) | | No. 90 REPUBLIC OF KENYA MINISTRY OF NATURAL RESOURCES Geological Surrey of Kenya GEOLOGY OF THE AMBOSELI...CORRELATION CHEMISTRY AND PETROGENESIS 3. Amboseli Lake Beds and Fluviatile Deposits 1. SINYA BEDS 2....setting of Kilimanjaro 3. Structures in the Amboseli Lake Beds (i) 64 64 69 69 VH GEOLOGICAL HISTORY ....diagrams—Sinya district Fig. 9—Correlation diagrams—Amboseli Lake Beds .. Fig. 10—Distribution of boreholes, wells...Ol Tukai. Plate I (a) Lake Amboseli. (b) Lerne Boti. Plate II The Amboseli Lake Beds at Sinya. ^ at |  | | Report (chapter) | | in the extreme north, immediately south of the Kenya border, where basaltic lavas from Oldoinyo Sambu...quartzites in the escarpment on the west shores of Lake Natron (Dundas & Awadalla, unpublished). One of...Kirikiti and Olorgesaile basalts immediately north in Kenya, extruded at 5.0 to 1.0 Ma (Baker et al. 1972; Fairhead...Survey of Kenya). Straddling the border between Kenya and Tanzania, Shombole lies mainly within Kenya. It is...situated on the floor of the rift valley between the Magadi and Natron basins. The volcano is deeply eroded |  | | Book (edition) | | field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his final results...(1919, 1921) considered the calcite of the Laacher Lake Ausfwiirflinge to be magmatic and indeed called...Bildung analog den Pegmatiten.” Chilwa Island in Lake Chilwa, Nyasaland, was first examined geologically...1955), L. J. Fick and C. van der Heyde (1959). Kenya: B. H. Baker (1953), G. L. Coetzee and C...unexposed) core carbonatite. Examples are Lackner Lake, Ontario (cone-sheet), Shawa, Southern Rhodesia |  | | Journal (issue) | | Investigation of the Brines and Evaporite Deposits of Lake Katwe, Western Uganda. By W. H. Morton, BSc, PhD...Investigation of the Brines and Evaporite Deposits of Lake Katwe, Western Uganda Fig. 1 Fig. 2 Part of the...Valley showing location Lake Katwe . . . . . . . . page I 08 . . facing page I 10 Lake Katwe. Plan and section...companies from Burundi, Canada, Ethiopia, Germany, Kenya, Malawi, Sudan, Tanzania, UAR, Uganda, UK, USA,...on by Professor B. C. King and his students in Kenya is another. Mention must also be made of the long-standing |  | | Book | | similar to a closed system, as typified by the saline lake basins. The Green River formation, including some... Punchbowl, Manana Island, Ulupau Head and Salt Lake Tuff, natrolite occurs with thomsonite and gonnardite...diorite from Bergen Hill, New Jersey; at Copper Falls, Lake Superior; - in the eleolite-syenite from Magnet...(Hibsch 1929). Hungary: in the basalts of Balaton Lake (Mauritz 1931,1938; Koch 1978); in the basalts of...natrolite. Hungary: at Gulacs, near the Balaton Lake (Mauritz 1938); at Nadap (Erdely 1940; see also |  | | 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...fields around the topographic culmination of the Kenya rift (between volcanoes Menengai and Suswa). The...basalts from Badlands, near Eburru volcano, central Kenya rift. ,', (Weight percent) Range Mean No. of sample |  | | Book (edition) | | The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names....term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...North America from the broader terms of Hanover County. There is no reciprocal entry for each broader...counties of the United States; e.g., Chautauqua County may have a broader term Kansas or New York. BX |  | | Book | | These rocks are virtually unmineralized. NORTH LAKE BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S...levels, in the roof 1022 100 km Fig. 28-7. North Lake Balkhash (Kazakhstan) late Paleozoic mineralized...Fig. 28-9. Kounrad "porphyry" Cu-Mo deposit, North Lake Balkhash area, Kazakhstan. (a) Geological map. Rock...12=scheelite placers. From LITHOTHEQUE. in Kerr County have no practical importance. The metallic deposits...chalcopyrite and molybdenite and 1087 SOUTH GRANITE LAKE ZONE POLLYANNA ZONE NORTH Fig. 28-34. Gibraltar |  | | Book (edition) | | the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they...For example, whenever an in¬ dexer uses Atchison County Kansas the Terms Kan¬ sas, Midwest, and United |  | | Book | | northern portion in northern Tanzania, western Kenya, and eastern Uganda where the Nyanzian System, composed...through Rhodesia, Mozambique, Malawi, Tanzania and Kenya, and is characterised by ages of 400-700 m.y. (Cahen...rejuvenated antique sequences: the Nyanzian of Kenya (Sanders, 1965); the Bulawayan of Rhodesia (Johnson...and the Mozambique Belt in western Kenya. Bull. geol. Surv. Kenya, 7. ScureIner, G. D. L., and VAN NIgkERK...structurally high-level, calcalkaline rocks of the Lake Malawi Granitic Province lie within a proto-rift |  | | Book | | These rocks are virtually unmineralized. NORTH LAKE BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S...levels, in the roof 1022 100 km Fig. 28-7. North Lake Balkhash (Kazakhstan) late Paleozoic mineralized...Fig. 28-9. Kounrad "porphyry" Cu-Mo deposit, North Lake Balkhash area, Kazakhstan. (a) Geological map. Rock...12=scheelite placers. From LITHOTHEQUE. I in Kerr County have no practical importance. The metallic deposits...chalcopyrite and molybdenite and 1087 SOUTH GRANITE LAKE ZONE POLLYANNA ZONE NORTH Fig. 28-34. Gibraltar |  | | Report (volume) | | and an application to trona deposition in Lake Magadi (Kenya). Geochim. Cosmochim. Acta 48, 571-581. —...precipitation in lakes (Great Salt Lake: Spencer et al., 1985; Searles Lake with borate species added: Felmy...dissolution. For example, in an estuarine or salt lake environment the external time scale may be defined...the rate of evaporation (con¬ centration) of the lake or estuary water. On the other hand, in diagenetic...the application of modeling studies to the Searles Lake evaporite (Felmy and Weare, 1986). This work will |  | | Book | | determined by radioactive decay of elements. Jel- lake forces still operating on it, and representing the...hysterosoma. abyssal [lake] Pertaining to the zones of greatest depth in a lake at which the water is...and to capillary action. Verb: to aegagropile A lake ball consisting of radial, outgrowing, hair¬ adsorb...years.—See also: geologic age. stream or into a lake.—n. An affluent stream; esp. an influent age [ice]...development of sea ice; the term usu¬ flowing into a lake. The term, originally introduced by Jackson ally |
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Lake Magadi, Kajiado County, Kenya