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Le Bas, M. J. (1977). Carbonatite-nephelinite volcanism: an African case history. London: Wiley.

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Reference Search (possible matching items)

	*McCall, G. J. H. (1958) Geology of the Gwasi Area. Report* 45. Geological Survey of Kenya**	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...proved the presence of the melilite-rich rock uncompahgrite, together with some turjaite—both rocks that...centre at Rangwa became the focus of a central volcano, much of which is still preserved and when traced...(2) The Kisingiri Volcano (a) The Updoming of the "Sub-Miocene" Peneplain surface under Kisingiri (b) The
	*McCall, G. J. H. (1963) A Reconsideration of Certain Aspects of the Rangwa and Ruri Carbonatite Complexes in Western Kenya. Geological Magazine, 100 (2) 181-185 doi:10.1017/s0016756800055370*	Journal (article/letter/editorial)
	Rangwa and Ruri Carbonatite Complexes in Western Kenya By G. J. H. MCCALL (PLATES XII-XIII) ABSTRACT ...cauldron subsidence is involved in some of the Kenya complexes is considered. rocks, containing melilite...principal constituent, were first described from Kenya by Pulfrey (1953), who mapped a small dyke at the...the south-west foot of the Tinderet nephelinite volcano (McCall, 1956). Further occurrences of alnoitic...carbonated pyroclasts of the " vent " onto the uncompahgrite, ijolite and melteigite which occur in the outer
	Rosatelli, G., Wall, F., Le Bas, M. J. (2003) Potassic glass and calcite carbonatite in lapilli from extrusive carbonatites at Rangwa Caldera Complex, Kenya. Mineralogical Magazine, 67 (5) 931-955 doi:10.1180/0026461036750152	Journal (article/letter/editorial)
	extrusive carbonatites at Rangwa Caldera Complex, Kenya G. ROSATELLI1,,{, F. WALL2 AND M. J. LE BAS3...of the large Kisingiri* nephelinite-carbonatite volcano, Homa Bay District, western Kenya (0º34’S; 34º09’E)...relationship with the nephelinites of the Kisingiri volcano. Two hypotheses are discussed. A rising silicate...EY WORDS : carbonatite, Rangwa Caldera Complex, Kenya, nephelinite. Introduction TO date, extrusive rocks...Only the Oldoinyo Lengai G. ROSATELLI ETAL. volcano (Tanzania) erupts carbonatite lavas today (Dawson
	Rock, N. M. S. (1976) The comparative strontium isotopic composition of alkaline rocks: New data from Southern Portugal and East Africa. Contributions to Mineralogy and Petrology, 56 (2) 205-228 doi:10.1007/bf00399605	Journal (article/letter/editorial)
	whole rock isochrons for the Monchique and Mt. Kenya complexes, together with a series of 87Sr/86Sr ratios...claimed as a reasonable representation of the volcano. Rocks have been chosen from the remaining complexes...lineage is represented in the present study by Mts. Kenya and Kilimanjaro, the "carbonatitic" lineage by Mt...the dissected complexes of Kisingiri (Rangwa), Jombo Hill, Ruri and Homa Mtn. Mt. Meru, like Moroto in...Choice of Samples The samples from Monchique, Mt. Kenya and Jombo Hill include examples of all major rock-types
	*Wright, J. B. (1963) A Note on Possible Differentiation Trends in Tertiary to Recent Lavas of Kenya. Geological Magazine, 100 (2) 164-180 doi:10.1017/s0016756800055369*	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,
	*Mitchell, R. H. (2005) CARBONATITES AND CARBONATITES AND CARBONATITES. The Canadian Mineralogist, 43 (6) 2049-2068 doi:10.2113/gscanmin.43.6.2049*	Journal (article/letter/editorial)
	Geology, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada ABSTRACT Carbonatites are... with ijolite at the Fen Complex (Norway), uncompahgrite at Iron Hill (USA), potassic syenite in the...(Sweden), Tororo and Napak (Uganda), and Shombole (Kenya). Notably absent are large volumes of melilite-bearing...carbonatite as tuffs and lavas at the Shombole (Kenya) and Hanang–Balangida (Tanzania) nephelinitic volcanoes...(melilitolites, i.e., okaite, turjaite, afrikandite, uncompahgrite, perovskite pyroxenite, dunite, etc.) of the
	*Heinrich, E. William (1980) The Geology of Carbonatites* - Reprint Edition with Supplementary Material. Robert E. Krieger Publishing Co. Inc.**	Book (edition)
	field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his final results...1955), L. J. Fick and C. van der Heyde (1959). Kenya: B. H. Baker (1953), G. L. Coetzee and C...rocks: Ravalli County, Montana, and Verity, British Columbia. Similar are those of Salmon Bay, Alaska, and..."Fourche a N . 8 Bauxite gc Cove Murfreesboro Volcano ¢ Se A a a os A ARKANSAS \| = basalt—...feature that descends southwestward from Hudson Bay, defined on magnetic and gravimetric data. In Africa
	*Clifford, T. N., Gass, I. G. - Eds.* (1970) African Magmatism and Tectonics. Oliver & Boyd, Edinburgh.**	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...northeast-trending joints and shear zones. Senga Bay, Salima Granites with syenitic phases crop out sporadically

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Uncompahgrite from Kisingiri Volcano, Homa Bay County, Kenya

Uncompahgrite from
Kisingiri Volcano, Homa Bay County, Kenya