 | | Journal (article/letter/editorial) | | occur in the carbonate-rich tufts and lavas of Mount Elgon; kaersutite-rich pyroxenites and a suite of...fenitized basement rocks in the caldera flows of Mount Meru, and apparently unique melanocratic hortonolite...nepheline syenites in the central foyaite plug of Mount Kenya. The sTSr/a6Sr ratios indicate mantle origin...elements such as St, Nb, and Zr. The xenoliths from Mount Kenya are cumulate equivalents of the glassy kenyte...kenyte lavas of the mountain; the pyroxenites of Mount Elgon are also cumulates whose predominant titanaugite |  | | Journal (issue) | | 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...cent.), and thin sections reveal the presence of analcime in the groundmass. Otherwise there is little mineralogical |  | | Report (issue) | | No. 33 COLONY AND PROTECTORATE OF KENYA GEOLOGICAL SURVEY OF KENYA GEOLOGY OF THE NORTH KITUI AREA...and Pleistocene vulcanicity connected with Mt. Kenya and the Nyambeni Range, the area is entirely occupied...Intrusives 2. Post-Basement System Rocks (1) Mt. Kenya Series (2) Tertiary Sediments—Massisini Series (3)...described in this report is situated in central Kenya and is bounded by the equator, latitude 0° 30' S...acid and basic intrusives; (2) rocks of the Mount Kenya series which are represented only by a small |  | | Report (issue) | | prehnite 3 actinolite SEQUENCES 4 epidote 5 analcime, zeolite; + smectite + albite, chlorite, sphene...occurrences of minerals such as prehnite, pumpellyite, analcime, zeolite (unspecified), and areas with abundant...calcic plagioclase , smectite and occa sional analcime and zeolite (with the optical properties of chabazite...(retrogressive) veinlets and joint-coatings of smectite or analcime, whilst albite chlorite-sphene metastable augite...ranging from the forested northern slopes of Mount Kenya, over 3300 m above sea level, northwards through |  | | Report (chapter) | | in the extreme north, immediately south of the Kenya border, where basaltic lavas from Oldoinyo Sambu...Kirikiti and Olorgesaile basalts immediately north in Kenya, extruded at 5.0 to 1.0 Ma (Baker et al. 1972; Fairhead...groundmass Nepheline, analcime or sodalite Nepheline, analcime or sodalite Nepheline, analcime or sodalite pers...Survey of Kenya). Straddling the border between Kenya and Tanzania, Shombole lies mainly within Kenya. It is...volcanoes, with its northern slopes descending into Kenya. From the west and east it appears a broad dome |  | | Report (issue) | | No. 90 REPUBLIC OF KENYA MINISTRY OF NATURAL RESOURCES Geological Surrey of Kenya GEOLOGY OF THE AMBOSELI...of about 730 square miles situated in southern Kenya at the foot of Mt. Kilimanjaro. It is enclosed by...longitudes 37°00' and 37°30'E, latitude 2°30*S and the Kenya-Tanzania border. Hills in the north preserve relics...this report, the Amboseli area is defined as the Kenya part of the south-western quarter of Degree sheet...37°00' and 37°30'E, the parallel 2°30'S and the Kenya-Tanzania boundary. The area includes a large portion |  | | Journal (article/letter/editorial) | | phonolites and trachytes from the summit region of Mt. Kenya R.C. Price 1, R.W. Johnson 2, C.M. Gray 1, and F...summit region of the Plio-Pleistocene volcano, Mr. Kenya. Most of the samples are moderately or strongly...suite of samples from the summit region of Mt. Kenya. The suite covers a range of phonolitic and trachytic...alkalic compositions. Geological setting. Mr. Kenya, which reaches a summit of 5,200 m is a central...some to be Offprint requests to: R.C. Price oUT KENYA XO5% ,'~)Ab erdare Range I ~)1 Esakut & OI Esayeti |  | | Report (volume) | | 273 BAKER, B. H. Outline of the petroIogy of the Kenya rift alkaline province 293 MACDONALD,R. Quaternary...peralkaline silicic rocks and caldera volcanoes of Kenya 313 WOOLLEY, A. R. & JONES, G. C. The petrochemistry...on the peralkaline silicic central volcanoes of Kenya and also favours an origin by crystal fractionation...pyroclastic deposits around central volcanoes in Kenya often show striking variations in the abundance...on the peralkaline silicic central volcanoes of Kenya and also favours an origin by crystal fractionation |  | | Report (issue) | | Report No. 45 COLONY AND PROTECTORATE OF KENYA MINISTRY OF COMMERCE Ä N D INDUSTRY GEOLOGICAL SURVEY...of South Nyanza, in the south-western corner of Kenya. It is a most important area as in its northern...1,400 square miles of South Nyanza, in western Kenya, on the shore of Lake Victoria! The land area is...part of the south-west quarter of Degree Sheet 41 (Kenya), corresponding with the Directorate of Colonial...dissected volcano, of even larger areal extent than Mount Elgon. The slopes are steep, traversed by numerous |  | | Book | | in Commonwealth Countries United Kingdom Ghana Kenya Malawi Rhodesia Sierra Leone Tanzania Uganda Zambia...nepheline-bearing rocks in parts of Uganda and Kenya page 62 Figure 6 Nepheline-syenite occurrences...are crucial as transportation costs can quickly mount up to a prohibitive level. Although some dark-coloured...production is obtained from the Amherst-Nelson County area where an anorthosite body is beneficiated...produced from a quartz monzonite gneiss in Hanover County, Va., and this is acceptable in flint glass after |  | | Report (volume) | | continents. Field work was conducted in Chad, Ethiopia, Kenya, Malawi, Nigeria, Sudan, Tanzania and Uganda. However...Baker, B.FL Tectonics and volcanism of the southern Kenya Rift Valley and its influence on rift sedimentation...structures, salic volcanism and sedimentation in the Kenya Rift from the equator northwards to Lake Turkana...landtorm evolution in a rift valley basin, northern Kenya. Frostick, L.E. & Reid, I. Evolution and sedimentary...ephemeral rivers in the Turkana basin, northern Kenya. Cohen, A.S., Ferguson, D.S., Gram, P.M., Hubler |  | | Book | | foids including nepheline, leucite, kalsilite, analcime, sodalite, nosean, haüyne, cancrinite and pseudoleucite...theralite for nepheline gabbro and teschenite for analcime gabbro. Field 15 (foidolite) — this field contains...added to the root name, e.g. leucite phonolite, analcime phonolite, leucite-nepheline phonolite (with nepheline...albite. (Turner, 1896, p.728; Meadow Valley, Plumas County, 51 California, USA; Tröger 169; Johannsen v.3...with alkaline character due to the presence of analcime or nepheline and such dark constituents as barkevikite |  | | Journal (issue) | | mining areas cross international borders, e.g. Kenya/Tanzania, Thailand/Cambodia and, conversely, large...corundum from Kitui, Kenya Dr N. R. Bamt~ and Dr RR. Harding** "The Ruby Centre, Kenya "'"*GAGTL, Great...of pink corundum in the eastern foothills of Mount Kenya is described. The corundum occurs in gravels...yield is good quality and the stones are cut in Kenya or in Germany. Corundum beads dyed red in India...through Ethiopia, through north-west to south-east Kenya and across Tanzania to Mozambique. In geological |  | | Book | | carbonatitic-alkaline province outcropping on the Kenya-Uganda border which have recently received significant...Ring-Complexes ........................ . . .. 4.1 Mount Bana ..................................... 4.2 Nda......... 5.5 Mount Etinde ................. . . . . . . . . . . . . . . . . . .. 5.6 Mount Cameroon .....domain characterized East Africa from Madagascar and Kenya-Ethiopia to northeastern Sudan. It represents the...Popoff 1988a). Like the Atlantic Benue trough, the Kenya-Sudan Mesozoic trends could correspond to a failed |  | | Journal (issue) | | and San lining cavities in the yellow Bernadino County, mineral limonite, and in the California, USA;...Mont Saint Hilaire, Quebec (Canada); Greenland; Kenya; Nigeria; the Kola Peninsula (Russia); near Tongue...York (USA). IVl l\l E R A L s AN a a z ANALCIME CRYSTALS ARE HIGHLY-PRIZED BY COLLECTORS. -0...MINERALS ON EARTH. WHEN HEATED, THEY GIVE OFF WATER Analcime is a very common mineral, found in many countries...highly-prized by collectors. vVhen heated in a test tube, analcime expels crystallised water - z m a characteristic |  | | Journal (article/letter/editorial) | | The highest elevations are: Mount Charles (Moehau) 1340 feet, Sandy Mount 1068 feet, and Harbour Cone...heights are greate~ and the valleys more profound. Mount Cargill (2232 feet), Flagstaff (2204), Signal Hill...about 250 feet above the present sealevel. At Sandy Mount the change of sea-level has been responsible for...Trachydolerite. Andesite. Nepheline-basanite. ( ])olcrite, Mount-Charlestype. 16. ~ Dolerite, Papanui type. 17. Basalt...been blown over a saddle 800 feet high at Sandy Mount and 400 feet high at Rauone. This sand is formed |  | | Book | | 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 |  | | Journal (article/letter/editorial) | | f Cretaceous. 3. Conducia and Monapo Beds. 2. Mount Meza Beds. 1. Fern,5() Velloso Beds. Pre-Cambrian...fel- Mount Meza and spathic,with calcareous the adjoining bands. district, i Monapo Beds. " Mount Meza...were collected by Mr. Reid during a journey to Mount Meza. In the case of three of his specimens, the...(an. Bailey, Lewis, & Hall). Andrews Point, Essex County, Mass., U.S.A. (an. Washington). SSlvsberget, Gran...Africa (an. Eyme). Phonolite. Base of Mount Hohnel, Mount Kenya, B.E. Africa (an. Prior). Tinguuite. Edda |  | | Book (volume) | | I-chiang-shan tao (China) USE USE I.T.A. Farm (Kenya) Interstate 55 1-64 — New York I/O equipment...I-chiang-shan (China) 44 buildings (State) BT Farms — Kenya 1-55 (China) 1860 USE Expedition of the Thousand...(May Subd Geog) Igbo fiction (May Subd Geog) BT Analcime Ifiote dialect Igbo literature Folk drama, Igbo...BT Ethnology Kenya Ethnology Sudan Ethnology Uganda Ik language (May Subd Geog) BT Kenya Languages Sudan...Illampu Mountain (Bolivia) UF Hlampa (Bolivia) Mount Sorata (Bolivia) Nevado de Illampu (Bolivia) Nevado |  | | Report (issue) | | A354V65 2011 551.21096—dc22 2011006982 Cover: (Top) Mount Meru (4566 m high), Tanzania, from the western side...upper-mantle low-velocity anomaly beneath Ethiopia, Kenya, and Tanzania: Constraints on the origin of the...Resources for Development, P.O. Box 632, 00618 Nairobi, Kenya ABSTRACT Assessments of the extension directions...upper-mantle low-velocity anomaly beneath Ethiopia, Kenya, and Tanzania: Constraints on the origin of the...to broadband seismic data recorded in Tanzania, Kenya, and Ethiopia. (1) Joint inversions of receiver |  | | Book | | L ate Tertiary and Quaternary sediments of the Kenya Rift Valley G.]. H. McCall, B. H. Baker, and]. Walsh...Uganda and slightly later deposits in Northern Kenya. A new report on the genus is in preparation. Proconsulidae...Insectivora and Chiroptera from the fi1iocene rocks of Kenya Colony. Fossil Mammals of Africa, No. 13. British...Miocene Flora of Rusinga Island, Lake Victoria, Kenya. Palaontographica, (Stuttgart). 101B: 3071. Clark...London (10) 11 :96-98. 1933b Miocene primates from Kenya. J. Linn. Soc. (Zool.) London 38:43764. 1934 New |  | | Journal (article/letter/editorial) | | antiperthitic plagioclase, Montpelier anorthosite, Hanover County, Virginia. Virginia Journal of Science 34, 168...of the Montpelier andesine anorthosite, Hanover County, Virginia. Geological Society of America Abstracts...andesine anorthosite body near Montpelier, Hanover County, Virginia. Rocks and Minerals, 57–61. BOUDETTE...composition of anorthoclase and nepheline in Mount Kenya phonolite and Kilamanjaro trachyte, and crystalglass...lithologies in the metamorphic complex of western Hanover County, Virginia. In Geology of Portions of the Richmond |  | | Journal (volume) | | River valley, northern Tanzania , and in Magadi, Kenya. smaller quantities of the gems are found in Afghanistan...also been found in northern Italy, Switzerland , Kenya and Za ire. Demantoids are mainly found in metamorphic...Austell and Redruth. Other deposits are found around Mount Painter 'in South Australia and in the Rum Jungle...covered with a surface layer of malachite county, Arizona , USA!. ◄ A collection of small azurite...on minerals that come from your own home town or county. Alternatively, you may decide to aim for a comprehensive |  | | Report (issue) | | Survtty S ) « Chi««ly » Ml Kio«rat r«»ourc«* Mineral County r«ffJon. I. S«.y»ond, lit T?*?' Ji' cht «* Op«n-fil«...heading Title COLORADO MINERAL RESOURCES MINERAL COUNTY REGION. Crock, J. 6. (200)R29ono.83-405D,IP GISS...aeromagnetic map of the Hat Mountain quadrangle, Maricopa County, Arizona. [Reston, Va.] : U.S. Geological Survey...Hunters Point quadrangle, Apache County, Arizona, and McKinley County, New Mexico. Reston, Va. : U.S....1588 M (200) GQ no. 1588 ARIZONA--GEOLOGY MOHAVE COUNTY MAPS. Lucchitta, Ivo. Geologic map of the Pigeon |  | | Book (volume) | | 1908, 207. Also in U.S.G.S., P.P. 99, 351. Park county, Montana. Jour. Geol., 74 A DESCRIPTIVE PETROGRAPHY...norites example .31. It from EHzabethtown, Essex County, in Osann's classification, gives the values ...as feldspar, etc., chlorite as a biopyribole, analcime as feldspathoid, pseudoleucite as leucite, etc...Miller: Geology of the North Creek quadrangle, Warren county, New York. Bull. N.Y. State Museum, No. 170, 1914...relation of the titaniferous magnetite ores of ton county, Ontario, to the associated scapolitic gahhros |
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