238U-230 constraints on mantle upwelling and plume-ridge interaction along the Reykjanes Ridge

Earth and Planetary Science Letters

Volumn 187, Issue 3-4, 2001, Pages 259-272

  Peate, David W ^a   Hawkesworth, Chris J ^b   Van Calsteren, Peter W ^b   Taylor, Rex N ^c   Murton, Bramley J ^c  

^a DANISH LITHOSPHERE CENTRE   (Denmark)

^b OPEN UNIVERSITY   (United Kingdom)

^c NATIONAL OCEANOGRAPHY CENTRE   (United Kingdom)

Author keywords

Iceland; Melting; Mid ocean ridge basalts disequilibrium; Reykjanes ridge; Upwelling; Uranium

Indexed keywords

DISEQUILIBRIUM; GEOCHEMISTRY; HOT SPOT; MANTLE PLUME; MID-OCEAN RIDGE BASALT; UPWELLING; URANIUM;

ATLANTIC OCEAN;

EID: 0034980742     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(01)00266-7     Document Type: Article

References (50)

1. 238U disequilibrium and the melting process beneath ridge axes
2. Fractionation of U and Th during mantle melting: A reprise
3. Estimates of mantle thorium/uranium ratios from Th, U and Pb isotope abundances in basaltic melts
4. Effects of partial melting on the uranium-decay series
5. Consequences of melt transport for uranium-series disequilibrium in young lavas
6. Mantle melting and basalt extraction by equilibrium porous flow
7. 230Th disequilibrium data
8. Investigating solid mantle upwelling rates beneath mid-ocean ridges using U-series disequilibria, 1: A global approach
9. Investigating solid mantle upwelling rates beneath mid-ocean ridges using U-series disequilibria, II: A local study at 33°S Mid-Atlantic Ridge
10. Radioactive disequilibria from 2D models of melt generation by plumes and ridges
11. Ridge-hotspot interaction along the Mid-Atlantic Ridge between 37°30′ and 40°30′N: The U-Th disequilibrium evidence
12. Asthenosphere motion recorded by the ocean floor south of Iceland
13. The Reykjanes Ridge: Structure and tectonics of a hot-spot-influenced, slow-spreading ridge, from multibeam bathymetry, gravity and magnetic investigations
14. En-echelon axial volcanic ridges at the Reykjanes Ridge: A life cycle of volcanism and tectonics
15. The Northern Mid-Atlantic and Reykjanes Ridges; spreading centre morphology between 55°50′N and 63°00′N
16. Segmentation, volcanism and deformation of oblique spreading centres: A quantitative study of the Reykjanes Ridge
17. Iceland mantle plume: Geochemical study of Reykjanes Ridge
18. Mantle plume mixing along the Reykjanes Ridge axis: Lead isotope evidence
19. Isotopic constraints on the influence of the Icelandic plume
20. Petrographic and geochemical variation along the Reykjanes Ridge, 57°N-59°N
21. 230Th disequilibria, magma petrogenesis, and flux rates beneath the depleted Tonga-Kermadec island arc
22. 230Th evidence for multiple dehydration events, rapid melt ascent and the time scales of differentiation beneath the Tonga-Kermadec island arc
23. Performance of a thermal ionisation mass spectrometer with a deceleration lens system and post-deceleration detector system
24. Geochemical segmentation of a tectonically unsegmented, slow-spreading ridge: The Reykjanes Ridge
25. 230Th disequilibrium in axial and off-axis mid-ocean ridge basalts
26. Magmatic processes at slow-spreading ridges: Implications of the RAM-ASSES experiment at 57°45′N on the Mid-Atlantic Ridge
27. 230Th disequilibrium
28. 238U disequilibria from historical lavas of Iceland
29. Thorium, strontium and oxygen isotopic geochemistry in recent tholeiites from Iceland: Crustal influence on mantle-derived magmas
30. Mantle and crustal contribution in the genesis of recent basalts from off-rift zones in Iceland: Constraints from Th, Sr and O isotopes
31. The relationship between buoyant mantle flow, melt migration, and gravity bull's eyes at the Mid-Atlantic Ridge between 33°N and 35°N
32. Insights into mid-ocean ridge basalt petrogenesis: U-series disequilibria from the Siqueiros Transform, Lamont Seamounts, and East Pacific Rise
33. Global correlations of ocean ridge chemistry and axial depth and crustal thickness
34. Thorium-uranium fractionation by garnet evidence for a deep source and rapid rise of oceanic basalts
35. The role of clinopyroxene in generating U-series disequilibrium during mantle melting
36. Controls on magmatic degassing along the Reykjanes Ridge with implications for the helium paradox
37. Seismic structure of the Iceland mantle plume
38. Mapping out the conduit of the Iceland mantle plume with helium isotopes
39. Dynamics of mantle flow and melting at a ridge-centred hot-spot; Iceland and the Mid-Atlantic Ridge
40. Mantle flow, melting, and dehydration of the Iceland mantle plume
41. 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
42. The temperature of the Iceland plume and origin of outward propagating V-shaped ridges
43. Vesicles, water, and sulphur in Reykjanes Ridge basalts
44. Plate Kinematics of the North Atlantic
45. Calculation of peridotite partial melting from thermodynamic models of minerals and melts. III. Controls on isobaric melt production and the effect of water on melt production
46. Water in the oceanic upper mantle: Implications for rheology, melt extraction, and evolution of the lithosphere
47. Convective modelling of crustal thickness and rare earth element concentrations across Iceland
48. Marine gravity anomaly from Geosat and ERS-1 satellite altimetry
49. 230Th chronology of mid-ocean ridge basalts