Consequences of diffuse and channelled porous melt migration on uranium series disequilibria

Geochimica et Cosmochimica Acta

Volumn 66, Issue 23, 2002, Pages 4133-4148

  Jull, M ^a   Kelemen, P B ^a   Sims, K ^a  

^a WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EQUILIBRIUM; FLUID FLOW; FRACTURE FLOW; MAGMATISM; MELT; MID-OCEAN RIDGE BASALT; URANIUM ISOTOPE;

EID: 0036890433     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(02)00984-5     Document Type: Article

References (62)

1. Three-dimensional flow and reaction in porous media; implications for the Earth's mantle and sedimentary basins
2. Channeling instability of upwelling melt in the mantle
3. Determining the composition of high-pressure mantle melts using diamond aggregates
4. Petrology and magma chamber processes at the East Pacific Rise approximately 9 degrees 30′N
5. On the occurrence of apparent non-Henry's law behaviour in experimental partitioning studies
6. Terminology for trace-element partitioning
7. Mantle flow and melt migration beneath oceanic ridges: Models derived from observations in ophiolites
8. Compaction-driven fluid flow in viscoelastic rock
9. Abyssal peridotites very slow spreading ridges and ocean ridge magmatism
10. Chromian spinel as a petro-genetic indicator of magma genesis in shallow mantle rocks, AGU-MSA 1991 spring meeting
11. Late-stage melt evolution and transport in the shallow mantle beneath the East Pacific Rise, Pro-ceedings of the Ocean Drilling Program
12. High-pressure phase equilibria of a high-magnesia basalt; implications for the origin of mid-ocean ridge basalts
13. Melt retention and segregation beneath mid-ocean ridges
14. Th and U isotopic systematics of basalts from the Juan de Fuca and Gorda Ridges by mass spectrometry
15. Melt migration beneath oceanic spreading centers with realistic mantle rheologies; effects of melt-retention viscosity reduction, AGU 1998 spring meeting
16. Water in the oceanic upper mantle; implications for rheology, melt extraction and the evolution of the lithosphere
17. 231Pa disequilibria produced by mantle melting with porous and channel flows
18. Melting in the oceanic upper mantle: An ion microprobe study of diopsides in abyssal peridotites
19. Open system melting and temporal and spatial variation of peridotite and basalt at the Atlantis II fracture zone
20. Reaction between ultramafic rock and fractionating basaltic magma; I, Phase relations, the origin of calc-alkaline magma series, and the formation of discordant dunite
21. Formation of harzburgite by pervasive melt/rock reaction in the upper mantle
22. Relative depletion of niobium in some arc magmas and the continental crust: Partitioning of K, Nb, La and Ce during melt/rock reaction in the upper mantle
23. Focused melt flow and localized deformation in the upper mantle; juxtaposition of replacive dunite and ductile shear zones in the Josephine Peridotite, SW Oregon
24. Extraction of mid-ocean-ridge basalt from the upwelling mantle by focused flow of melt in dunite channels
25. A review of melt migration processes in the adiabatically upwelling mantle beneath oceanic spreading ridges
26. Experimental determination of U and Th partitioning between clinopyroxene and natural and synthetic basaltic liquid
27. Compositional controls on the partitioning of U, Th, Ba, Pb, Sr and Zr between clinopyroxene and haplobasaltic melts; implications for uranium series disequilibria in basalts
28. Models of U-series disequilibria generation in MORB; the effects of two scales of melt porosity
29. Mantle melting and Basalt extraction by equilibrium porous flow
30. Investigating solid mantle upwelling rates beneath mid-ocean ridges using U-series disequilibria; 1, A global approach
31. Insights into mid-ocean ridge basalt petrogenesis; U-series disequilibria from the Siqueiros Transform, Lamont Seamounts, and East Pacific Rise
32. 238U disequilibrium and the melting processes beneath ridge axes
33. Constraints on melt generation and transport from U-series activity ratios
34. Geochemical consequences of melt percolation; the upper mantle as a chromatographic column
35. Melt extraction from mantle peridotites: Hydrofracturing and porous flow, with consequences for oceanic ridge activity
36. Mantle melting and melt extraction processes beneath spreading ridges: Evidence from abyssal peridotites
37. Primary magmas and the origin of basalts
38. Are any ocean floor basalts primary?
39. 230Th fractionation in young basaltic glasses from the East Pacific rise
40. Melt flow in a variable viscosity matrix
41. 230Th) disequilibrium
42. Trace element partitioning during the initial stages of melting beneath mid-ocean ridges
43. Petrogenesis of the Red Hills peridotite in the Dun Mountain ophiolite belt
44. Regional-scale melt-rock interaction in lherzolitic mantle in the Romanche fracture zone (Atlantic Ocean)
45. U-series analyses of young axial lavas from 9-10°N East Pacific Rise: Constraints on magma transport and storage times beneath the ridge axis
46. 231Pa disequilibria
47. Tapping of melt by veins and dikes
48. Ultra-depleted primary melt included in an olivine from the Mid-Atlantic Ridge
49. Consequences of melt transport for uranium series disequilibrium in young lavas
50. Causes and consequences of flow organisation during melt transport: The reaction infiltration instability
51. Geochemistry in motion: Combined theoretical and observational evidence for convergent melt flow beneath the East Pacific Rise
52. Spontaneous small-scale melt segregation in partial melts undergoing deformation
53. Predictions of mineral assemblages in planetary interiors
54. Melt migration under oceanic ridges; inferences from reactive transport modelling of upper mantle hosted dunites
55. Structural history of ophiolite obduction, Bay of Islands, Newfoundland
56. Melt segregation from partially molten peridotites
57. 230 Th disequilibrium in axial and off-axis mid-Ocean ridge basalts
58. Permeabilities, interfacial areas, and curvatures of partially molten systems; results of numerical computations of equilibrium microstructures
59. Melting of garnet peridotite and the origin of komatiite and depleted lithosphere
60. Grain-scale permeabilities of texturally equilibrated, monomineralic rocks
61. The role of clinopyroxene in generating U-series disequilibrium during mantle melting