1-20 OF 32 RESULTS FOR

Chyulu Hills

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 March 2005
European Journal of Mineralogy (2005) 17 (2): 357–366.
...Alexey ULIANOV; Angelika KALT; Thomas PETTKE Abstract In basanites of the Chyulu Hills volcanic field, Kenya, hibonite is found in two xenoliths of mafic meta-igneous granulites dominated by clinopyroxene and plagioclase. It occurs as small grains in the inner parts of complex corona textures where...
FIGURES | View All (5)
Journal Article
Journal: Geology
Published: 01 February 1995
Geology (1995) 23 (2): 165–168.
...Gerald H. Haug; Manfred R. Strecker Abstract The 1.4 Ma to Holocene volcanic eruptive centers and flows in the Chyulu Hills, southeastern Kenya, range in composition between foidites and alkali basalts; they record the relation between linear volcanic chains, preexisting basement structures...
Image
Back-scattered electron images of granulite xenoliths from the <span class="search-highlight">Chyulu</span> <span class="search-highlight">Hills</span>...
Published: 01 March 2005
Fig. 1. Back-scattered electron images of granulite xenoliths from the Chyulu Hills volcanic field, southern Kenya, showing textural relationships of hibonite in corona aggregates. a-f : hibonite intergrown with spinel (± sapphirine) and rimmed by mullite (when present) and sillimanite
Journal Article
Published: 01 October 2010
Mineralogical Magazine (2010) 74 (5): 871–885.
..., Handan-Xingtai area, China ( Cao et al. , 1997 ); (6) the Chyulu Hills, Kenya Rift, Kenya ( Ulianov et al. , 2005 ; Ulianov and Kalt, 2006 ); and (7) probably Mogok, Myanmar ( Hainschwang et al. , 2010 ; this study). Hibonite from Myanmar is associated with corundum and minor unidentified Cu-Al-O...
FIGURES | View All (5)
Journal Article
Journal: Geology
Published: 01 May 2014
Geology (2014) 42 (5): 419–422.
... mantle—A source for intraplate volcanism? : Journal of Petrology , v. 48 , p. 1495 – 1512 , doi:10.1093/petrology/egm027 . Späth A. Le Roex A.P. Opiyo-Akech N. , 2001 , Plume-lithosphere interaction and the origin of continental rift-related alkaline volcanism: The Chyulu Hills...
FIGURES
Journal Article
Published: 01 December 1997
Journal of the Geological Society (1997) 154 (6): 947–960.
... deconvolution Geophysics 1990 55 80 91 Ritter J.R. Fuchs K. Kaspar T. Lange F.E. Nyambok I.O. Stangl R.L. Seismic images illustrate the deep roots of the Chyulu Hills volcanic area, Kenya Eos, Transactions American Geophysical Union 1995 76 273 278 Roest W.R...
Journal Article
Published: 01 September 1994
Journal of the Geological Society (1994) 151 (5): 879–888.
... relationships of the more mafic members of the volcanic sequences of Marsabit, the Chyulu Hills, Nyambeni Range and Samburu Hills, all on the eastern flank of the rift, led Macdonald (1994) to suggest that they could have been formed by partial melting of anhydrous, fertile, peridotite between 12 and 18 kbar...
Journal Article
Published: 01 January 2010
American Mineralogist (2010) 95 (1): 196–199.
..., South Africa . Journal of Mineralogical and Petrological Sciences , 99 , 213 – 224 . Ulianov , A. and Kalt , A. ( 2006 ) Mg-Al sapphirine- and Ca-Al hibonite bearing granulite xenoliths from the Chyulu Hills Volcanic Field, Kenya . Journal of Petrology , 47 , 910 – 927...
FIGURES
Journal Article
Published: 01 August 1995
Journal of the Geological Society (1995) 152 (4): 703–720.
... of the Oligo -Miocene Rio Grande Rift, USA: monitors of the zone of lithospheric mantle extension and thinning beneath a continental rift Journal of Petrology 1993 34 187 228 Goles G.G. Basalts of unusual composition from the Chyulu Hills, Kenya Lithos 1975 8 47 58 Hardarson B.S...
Journal Article
Published: 01 April 2021
American Mineralogist (2021) 106 (4): 599–608.
... locality in Esiva eluvials in Madagascar ( Delbos 1955 ), Furua granulites at the Ligama Hill, Morogoro Region, Tanzania ( Maaskant et al. 1980 ), Mg-Al skarn iron deposits of the Fushan Mine, She County, Hebei, Handan, China ( Cao et al. 1997 ), Chyulu Hills volcanic field, Kenya ( Ulianov et al. 2005...
FIGURES | View All (11)
Journal Article
Published: 01 January 1971
Journal of the Geological Society (1971) 127 (1): 95–100.
...-trachyte or basalt-phonolite-trach- yte volcanoes of Mts Kenya and Kilimanjaro. 97 Proceedings Extensive basalt fields were variously the products of fissure eruption, such as those of Samburu, or derived from numerous mall centres as in the Nyambeni area or the Chyulu Hills. Large low- angle cones...
Journal Article
Published: 01 August 1997
Journal of the Geological Society (1997) 154 (4): 689–700.
...., Fuchs, K., Kaspar, T., Lange, F.E., Nyambok, I.O. & Stangl, R.L. 1995. Seismic images illustrate the deep roots of the Chyulu Hills volcanic area, Kenya. Eos, Transactions, American Geophysical Union, 76, 273 278. Rosendahl, B.R. 1987. Architecture of continental rifts with special reference to East...
Journal Article
Published: 01 December 2009
South African Journal of Geology (2009) 112 (3-4): 241–250.
... . Ritter , J.R.R. and Kaspar , T. ( 1997 ). A tomography study of the Chyulu Hills, Kenya . In: K. Fuchs , R. Altherr , B. Müller and C. Prodehl (Editors), Structure and Dynamic Processes in the Lithosphere of the Afro-Arabian Rift System, Tectonophysics , 278...
FIGURES | View All (4)
Journal Article
Published: 01 January 2002
European Journal of Mineralogy (2002) 14 (1): 25–36.
... thermischen Entwicklung des Erdmantels unter den Chyulu Hills, Kenia . 220 p., Ph.D. Thesis, Heidelberg , Germany . Gorring , M.L. & Kay , S.M. ( 2000 ): Carbonatite metasomatized peridotite xenoliths from southern Patagonia: Implications for lithospheric processes and Neogene plateau...
FIGURES | View All (10)
Journal Article
Published: 01 October 2014
American Mineralogist (2014) 99 (10): 2060–2067.
... B.H. ( 2001 ) EXPGUI, a graphical user interface for GSAS . Journal of Applied Crystallography , 34 , 210 – 213 . Ulianov A. Kalt A. Pettke T. ( 2005 ) Hibonite Ca(Al,Cr,Ti,Si,Mg,Fe 2+ ) 12 O 19 , in granulite xenoliths from the Chyulu Hills volcanic field, Kenya . European...
FIGURES | View All (8)
Journal Article
Published: 01 February 2019
Mineralogical Magazine (2019) 83 (1): 123–135.
...+ ) 12 O 19 , in granulite xenoliths from the Chyulu Hills volcanic field, Kenya . European Journal of Mineralogy , 17 , 357 – 366 . Vapnik Ye. , Sokol E. , Murashko M. and Sharygin V. ( 2006 ) The enigma of Hatrurim . Mineralogical Almanac , 10 , 69 – 77 . Vapnik...
FIGURES | View All (9)
Series: Geological Society, London, Special Publications
Published: 01 January 2016
DOI: 10.1144/SP420.3
EISBN: 9781862391345
..., Marsabit; 3, Nyambeni; 4, Mount Kenya; 5, Aberdare Range; 6, Menengai; 7, Gwasi; 8, Suswa; 9, Ngong Hills; 10, Olorgesailie; 11, Lenderut; 12, Shompole; 13, Chyulu Hills; 14, Kilimanjaro; 15, Essimingor; 16, the Crater Highlands (including Ngorongoro). Flank regions and basins (circles) used in volume...
FIGURES | View All (5)
Journal Article
Journal: GSA Bulletin
Published: 01 February 2000
GSA Bulletin (2000) 112 (2): 163–176.
... zone decrease in age from west to east ( Abebe et al., 1998 ) (Fig. 10) . South of the study area, mantle xenolith and seismic data also show a north-south–trending zone of hotter, thinner mantle lithosphere along the Marsabit-Chyulu Hills, perhaps the southward continuation of the Ririba volcanic...
FIGURES | View All (10)
Journal Article
Published: 25 April 2018
Journal of the Geological Society (2018) 175 (4): 627–641.
... – the Chyulu Hills volcanic province, southern Kenya . Journal of Petrology , 42 , 767 – 787 . Tanaka , T. , Togashi , S. et al. 2000 . JNdi-1: a neodymium isotopic reference in consistency with LaJolla neodymium . Chemical Geology , 167 , 279 – 281 . Tucker , R.D. , Ashwal...
FIGURES | View All (10)
Series: Geological Society, London, Memoirs
Published: 01 January 2008
DOI: 10.1144/M33.4
EISBN: 9781862394087
... ; Dawson 1997). The ambient thermal state of the sub-Tanzania mantle is exemplified by the peridotite xenoliths from Lashaine that mainly document temperatures of 1045±50 °C at a pressure of 40 ± 4 GPa, plotting along a c . 45 mWm −2 model geotherm. In contrast, xenoliths from the Chyulu Hills (50 km...
FIGURES