Petrologic and geochemical investigation of carbonates in peridotite xenoliths from northeastern Tanzania

Contributions to Mineralogy and Petrology

Volumn 139, Issue 4, 2000, Pages 470-484

  Lee, C T ^a   Rudnick, R L ^a   McDonough, W F ^a   Horn, I ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARBONATE; GEOCHEMISTRY; PERIDOTITE; PETROLOGY; XENOLITH;

EAST AFRICAN RIFT; TANZANIA;

EID: 0033843157     PISSN: 00107999     EISSN: None     Source Type: Journal    
DOI: 10.1007/s004100000144     Document Type: Article

References (77)

1. Evidence for liquid immiscibility in the upper mantle
2. Consequences of recycled carbon in carbonatites
3. A Vendian-Cambrian boundary succession from the northwestern margin of the Siberian Platform: Stratigraphy, palaeontology, chemostratigraphy and correlation
4. Evidence for carbonate in the mantle
5. Magnesite- peridotite mineral association in a diamond
6. Experimental study bearing on the absence of carbonate in mantle-derived xenoliths
7. Eclogitic diamond formation at Jwaneng: No room for a recycled component
8. Re-Os systematics of mantle xenoliths from the East African rift: Age, structure, and history of the Tanzanian craton
9. Carbonatite metasomatism of the oceanic upper mantle: Evidence from clinopyroxenes and glasses in ultramafic xenoliths of Grande Comore, Indian Ocean
10. The compositions of primary carbonate melts and their evolution through wallrock reaction in the mantle
11. The partitioning of Fe and Mg between olivine and carbonate and the stability of carbonate under mantle conditions
12. Carbonate metasomatism in the lithospheric mantle: Peridotitic xenoliths from a melilititic district of the Sahara basin
13. Neogene tectonics and volcanicity in the North Tanzania sector of the Gregory Rift Valley: Contrasts with the Kenya sector
14. Metasomatism and melting in spinel peridotite xenoliths from Labait, Tanzania
15. Metasomatized and veined upper-mantle xenoliths from Pello Hill, Tanzania: Evidence for anomalously-light mantle beneath the Tanzanian sector of the East African Rift Valley
16. Ultrabasic potassic low-volume magmatism and continental rifting in north-central Tanzania: Association with enhanced heat flow
17. The carbon and oxygen isotopic composition of carbonates from a mica peridotite dike near Dixonville, Pennsylvania
18. Stable isotope variations in carbonatites
19. Carbon and its isotopes in mid-oceanic basaltic glasses
20. In-situ measurement of viscosity and density of carbonate melts at high pressure
21. Zr/Hf fractionation in intraplate basaltic rocks: Carbonate metasomatism in the mantle source
22. Rifting Archaean lithosphere: The Eyasi-Manyar-Natron rifts, East Africa
23. A simple method for the precise determination of > 40 trace elements in geological samples by ICP-MS using enriched isotope internal standardisation
24. Deposition and element fractionation processes during atmospheric pressure laser sampling for analysis by ICP-MS
25. Potassium-argon ages from the volcanic province of northern Tanzania
26. Melt and fluid inclusions in dunite xenoliths from La Gomera, Canary Islands: Tracking the mantle metasomatic fluids
27. Isotope fractionation related to kimberlite magmatism and diamond formation
28. Mantle metasomatism by ephemeral carbonatite melts
29. The behaviour of trace elements in the evolution of carbonatites
30. Evidence for hotspot-related carbonatite metasomatism in the oceanic upper mantle
31. Holocene carbonatite-nephelinite tephra deposits of Ol Doinyo Lengai, Tanzania
32. Precise elemental and isotope ratio determination by simultaneous solution nebulization and laser ablation-ICP-MS: Application to U-Pb geochronology
33. Carbon and oxygen isotope variations in southern African carbonatites
34. Garnet peridotite from Colorado Plateau ultramafic diatremes: Hydrates, carbonates, and comparative geothermometry
35. Trace element composition of mantle-derived carbonates and coexisting phases in peridotite xenoliths from alkali basalts
36. Carbonated peridotite xenoliths from Spitsbergen: Implications for trace element signature of mantle carbonate metasomatism
37. Carbonate-bearing mantle peridotite xenoliths from Spitsbergen: Phase relationships, mineral compositions and trace element residence
38. Carbon and nitrogen isotopes in the mantle
39. Experimental investigations of the partitioning of Nb, Mo, Ba, Ce, Pb, Ra, Th, Pa, and U between immiscible carbonate and silicate liquids
40. Neoproterozoic variations in the C-isotopic composition of seawater: Stratigraphic and biogeochemical implications
41. Stable isotope characteristics of recent natrocarbonatites from Oldoinyo Lengai
42. The trace element composition and petrogenesis of natrocarbonatites
43. The application of C isotope measurements to the identification of the sources of C in diamonds: A review
44. Experimentally determined trace and minor element partitioning between clinopyroxene and carbonatite melt under upper mantle conditions
45. Primary Ca-rich carbonatite magma and carbonate-silicate-sulphide liquid immiscibility in the upper mantle
46. An investigation of the crystal chemical controls on trace element partitioning between carbonated melts and wollastonite, witherite and calcite
47. Compositionally stratified cratonic lithosphere: Petrology and geochemistry of peridotite xenoliths from the Labait tuff cone, Tanzania
48. 3 to 2.5 GPa and the origin of calciocarbonatite magmas
49. 2
50. 2 at 1 GPa, metasomatic wehrlites, and primary carbonatite magmas
51. 2 at 2.5 GPa
52. Laser ablation inductively coupled plasma mass spectrometric transient signal data acquisition and analyte concentration calculation
53. Age of the fault movements in the Tanzanian sector of the East African Rift system
54. 2 vapour, silicate and carbonate melts: An experimental study to 30 kbar
55. Carbonate inclusions in mantle-derived pyropes
56. Carbonated, alkaline hybridizing melts from a sub-arc environment: Mantle wedge samples from the Tabar-Lihir-Tanga-Feni arc, Papua New Guinea
57. Mantle metasomatism and carbonatites; An experimental study of a complex relationship
58. Interconnectivity of carbonate melt at low fraction
59. Coexisting andesitic and carbonate melts in a lherzolite xenolith from Eastern Australia
60. Isotopic relationships of volatile and lithophile trace elements in continental ultramafic xenoliths
61. Silicate-carbonate liquid immiscibility in upper-mantle eclogites: Implications for natrosilicic and carbonatitic conjugate melts
62. Carbonatite metasomatism in the northern Tanzanian mantle: Petrographic and geochemical characteristics
63. Pb isotopic variability in melt inclusions from oceanic island basalts, Polynesia
64. Cogenetic silica-rich and carbonate-rich melts trapped in mantle minerals in Kerguelen ultramafic xenoliths: Implications for metasomatism in the oceanic upper mantle
65. Genesis of carbonate in pyrope from ultramafic diatremes on the Colorado Plateau, southwestern United States
66. Trace element partitioning in immiscible silicate-carbonate liquid systems: An initial experimental study using a centrifuge autoclave
67. An experimental determination of primary carbonatite magma compositions
68. 2 vapor: Results and implications for the formation of light rare earth-enriched rocks
69. Spinel peridotite xenoliths from Atsagin-Dush volcano, Dariganga lava plateau, Mongolia: A record of partial melting and cryptic metasomatism in the upper mantle
70. Carbonatites: Nomenclature, average chemical compositions, and element distributions
71. 2 at mantle pressures with geophysical and petrological applications
72. Model system controls on conditions for formation of magnesiocarbonatite and calciocarbonatite magmas from the mantle
73. Ultrahigh-pressure (60 kbar) magnesite-bearing garnet peridotites from northeastern Jiangsu, China
74. Experimental reconstruction of sodic dolomitic carbonatite melts from metasomatized lithosphere
75. Evidence for carbonatite metasomatism in spinel peridotite xenoliths from western Victoria, Australia
76. Carbonatite metasomatism in the southeastern Australian lithosphere
77. Significance of magnesite paragenesis in ultrahigh-pressure metamorphic rocks