Metasomatism and partial melting in upper-mantle peridotite xenoliths from the Lashaine volcano, northern Tanzania

Journal of Petrology

Volumn 43, Issue 9, 2002, Pages 1749-1777

  Dawson, J B ^a  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

Element partitioning; Mantle xenoliths; Melting; Metasomatism; Tanzania

Indexed keywords

MELTING; METASOMATISM; PARTIAL MELTING; PARTITIONING; PERIDOTITE; UPPER MANTLE; XENOLITH;

LASHAINE VOLCANO; TANZANIA;

EID: 0036736116     PISSN: 00223530     EISSN: None     Source Type: Journal    
DOI: 10.1093/petrology/43.9.1749     Document Type: Article

References (61)

1. Geothermometry in four-phase lherzolites. I. Experimental results from 10 to 60 kb
2. The distribution and behaviour of rhenium and osmium amongst mantle minerals and the age of the lithospheric mantle beneath Tanzania
3. Depletion and enrichment history of subcontinental lithospheric mantle: An Os, Sr, Nd and Pb isotopic study of ultramafic xenoliths from the northwestern Wyoming craton
4. Primary and secondary phlogopites and clinopyroxenes in garnet lherzolite xenoliths
5. Silicate glasses in spinel lherzolites from Yemen: Origin and chemical composition
6. Re-Os systematics of mantle xenoliths from the East African Rift: Age, structure and history of the Tanzanian craton
7. Isotope geochemistry of xenoliths from East Africa: Implications for the development of mantle reservoirs and their interaction
8. Glasses in mantle xenoliths as geochemical indicators of metasomatic agents
9. Carbonate tuff cones in northern Tanganyika
10. Contrasting types of mantle metasomatism?
11. Metasomatised harzburgites in kimberlite and alkaline magmas; enriched restites and 'flushed' lherzolites
12. Neogene tectonics and volcanicity in the North Tanzania sector of the Gregory Rift Valley: Contrasts with the Kenya sector
13. Metasomatism and melting in spinel peridotite xenoliths from Labait, Tanzania
14. Mineral chemistry of a peralkaline combeite-lamprophyllite nephelinite from Oldoinyo Lengai, Tanzania
15. Mica in the upper mantle
16. Alkalic pyroxenite xenoliths from the Lashaine volcano, northern Tanzania
17. The MARID (mica-amphibole-rutile-ilmenite-diopside) suite of xenoliths in kimberlite
18. Metasomatised and veined upper mantle xenoliths from Pello Hill, Tanzania: Evidence for anomalously-light mantle beneath the Tanzanian sector of the East African Rift Valley
19. Ultrabasic xenoliths and lava from the Lashaine volcano, northern Tanzania
20. Chemistry of micas from kimberlites and xenoliths - II. Primary-and secondary-textured micas from peridotite xenoliths
21. P-T phase relations of silicic, alkaline, aluminous mantle-xenolith glasses under anhydrous and C-O-H fluid-saturated conditions
22. P-T relations of silicic, alkaline, aluminous liquids: New results and applications to mantle melting and metasomatism
23. Armalocolite-bearing Ti-rich metasomatic assemblages in harzburgite xenoliths from the Kerguelen Islands: Implications for the oceanic budget of high-field strength elements
24. The mineral chemistry of new titanates from the Jagersfontein kimberlite: Implications for metasomatism in the upper mantle
25. Metasomatic mineral titanates in upper mantle xenoliths
26. Ore mineral and phlogopite mineralisation within ultramafic nodules from the Matsoku kimberlite pipe, Lesotho
27. Evidence for hotspot-related metasomatism in the oceanic upper mantle
28. Metamorphic petrology of xenoliths from Kenya and northern Tanzania and implications for geotherms and lithospheric structures
29. Fertile and barren Al-Cr-spinel harzburgites from the upper mantle: Ion and electron probe analyses of trace elements in olivine and orthopyroxene: Relationship to lherzolites
30. 86Sr in ultrabasic xenoliths and host rocks, Lashaine volcano, Tanzania
31. Metasomatism-induced melting in mantle xenoliths from Mongolia
32. Glasses in mantle xenoliths from Olmani, Tanzania
33. Mantle metasomatism in 14 veined peridotites from Bultfontein Mine, South Africa
34. Metamorphism, partial melting and K-metasomatism of garnet-scapolite-kyanite granulites from Lashaine, Tanzania
35. Rare earth elements in upper mantle rocks
36. The composition of the Earth
37. Inclusions in diamond
38. Evidence for a 2 Ga subduction zone: Eclogites in the Usagaran belt of Tanzania
39. Crustal age domains and the evolution of the continental crust in the Mozambique Belt of Tanzania: Combined Sm-Nd, Rb-Sr, and Pb-Pb isotopic evidence
40. Growth of the subcontinental lithospheric mantle beneath Zimbabwe started at or before 3.8 Ga: Re-Os study on chromites
41. Nature and sequence of mantle magmatic events indicated by compositional variations in a composite xenolith from Lashaine Volcano, Tanzania
42. Stabilisation of the Archaean lithospheric mantle: A Re-Os isotope study of peridotite xenoliths from the Kaapvaal craton
43. Petrography and chemical composition of a suite of ultramafic xenoliths from Lashaine, Tanzania
44. Platinum group element abundance patterns in different mantle environments
45. Olivine-garnet reaction in peridotites from Lashaine, Tanzania
46. Mineral chemistry of peridotite xenoliths from the Lashaine volcano, Tanzania
47. Major and trace element chemistry of peridotite inclusions from the Lashaine volcano, Tanzania
48. Lithophile trace element data bearing on the origin of peridotite xenoliths, ankaramite and carbonatite from the Lashaine volcano, northern Tanzania
49. Olivine-liquid equilibrium
50. Carbonatite metasomatism in the northern Tanzanian mantle: Petrographic and chemical characteristics
51. Northern Tanzania peridotite xenoliths a comparison with Kaapvaal xenoliths and inferences of metasomatic reactions
52. On the preservation of mantle information in ultramafic nodules: Glass inclusions within minerals versus interstitial glasses
53. Worldwide occurence of silicarich melts in sub-continental and sub-oceanic mantle minerals
54. The composition of melt inclusions in minerals at the garnet-spinel transition zone
55. Dissolution of orthopyroxene in basanitic magma between 0.4 and 2 GPa: Further implications for the origin of Sirich alkaline glass inclusions in mantle xenoliths
56. Chemistry of Ti-poor spinels, ilmenites and rutiles from peridotite and eclogite xenoliths
57. Silicic glasses in hydrous and anhydrous mantle xenoliths from Western Victoria, Australia: At least two different sources
58. In situ origin for glass in mantle xenoliths from southeastern Australia: Insights into trace element compositions of glasses and metasomatic phases
59. A method for the quantitative measurement of rare earth elements in the ion microprobe