Geochemical evidence from the Pukapuka volcanic ridge system for a shallow enriched mantle domain beneath the South Pacific Superswell

Earth and Planetary Science Letters

Volumn 181, Issue 1-2, 2000, Pages 47-60

  Janney, P E ^a,c   Macdougall, J D ^a   Natland, J H ^b   Lynch, M A ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF MIAMI   (United States)

^c GEOPHYSICAL LABORATORY   (United States)

Author keywords

French Polynesia; Isotope ratios; Mantle plumes; South Pacific; Superwells; Trace elements; Volcanoes

Indexed keywords

ENRICHMENT; IGNEOUS GEOCHEMISTRY; INTRAPLATE PROCESS; MANTLE CHEMISTRY; VOLCANIC ROCK;

PACIFIC OCEAN;

EID: 0033820880     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(00)00181-3     Document Type: Article

References (55)

1. The South Pacific Superswell
2. The unique anisotropy of the Pacific upper mantle
3. Mantle dynamics constrained by degree 6 surface topography, seismic tomography and geoid: Inference on the origin of the South Pacific Superswell
4. The Superswell and mantle dynamics beneath the South Pacific
5. Superswells
6. The longevity of the South Pacific isotopic and thermal anomaly
7. Geochemistry of the Pitcairn seamounts, I: Source character and temporal trends
8. Convection plumes in the lower mantle
9. Failure of mantle plume theory to explain midplate volcanism in the southern Austral Islands
10. K-Ar dating of the cook-Austral Island chain: A test of the hot-spot hypothesis
11. Isotope geochemistry of the Darwin Rise seamounts and the nature of mantle dynamics beneath the south central Pacific
12. The geometric relationship between hot spots and seamounts: Implications for Pacific hot spots
13. Evidence for diffuse extension of the Pacific plate from Pukapuka ridges and cross-grain gravity lineation
14. Linear ridge groups: Evidence for tensional cracking in the Pacific plate
15. Evidence for small-scale mantle convection from Seasat altimeter data
16. Age (K-Ar) et position des iles Gambier dans l'alignement du point chaud de Pitcairn (Pacifique Sud)
17. Temporal and geochemical variability of volcanic products of the Marquesas hotspot
18. Current plate velocities relative to the hotspots incorporating the NUVEL-1 global plate motion model
19. Intraplate en echelon ridges in the South Pacific west of the easter microplate
20. Trace element evidence from seamounts for recycled oceanic crust in the eastern Pacific mantle
21. Mantle source heterogeneity and melting processes beneath spreading centers: The East Pacific Rise, 18°-19°S
22. Global correlations of ocean ridge basalt chemistry with axial depth and crustal thickness
23. Chemical and isotopic variations along the superfast spreading East Pacific Rise from 6°to 30°S
24. Imaging the deep seismic structure beneath a mid-ocean ridge: The MELT experiment
25. Asymmetric mantle dynamics in the MELT region of the East Pacific Rise: A result of hot asthenospheric return flow
26. Chemical and isotopic systematics of oceanic basalts: Implications for mantle composition and processes
27. Basalts from the Central Pacific Basin: Evidence for the origin of Cretaceous igneous complexes in the Jurassic western Pacific
28. A simple method for the precise determination of forty trace elements in geological samples by ICPMS using enriched isotope internal standardisation
29. Source composition and melting processes in the society and Austral plumes (South Pacific Ocean): Element and isotope (Sr, Nd, Pb, Th) geochemistry
30. 205Pb double spike for high-precision lead isotope analysis
31. Isotope and trace element characteristics of a super-fast spreading ridge: East Pacific Rise, 13-23°S
32. Basalts from Mururoa, Fangataufa, and Gambier islands (French Polynesia): Geochemical dependence on the age of the lithosphere
33. Isotopic constraints on the easter seamount chain source
34. Lead and helium isotope evidence from oceanic basalts for a common deep source of mantle plumes
35. Mantle plumes and entrainment: Isotopic evidence
36. Fluid dynamic and geochemical aspects of entrainment in mantle plumes
37. He, Pb, Sr and Nd isotope constraints on magma genesis and mantle heterogeneity beneath young Pacific seamounts
38. Isotope and trace element geochemistry of young Pacific seamounts: Implications for the scale of upper mantle heterogeneity
39. Trace element partitioning during the initial stages of melting beneath mid-ocean ridges
40. Partial melt distributions from inversion of rare-earth element concentrations
41. Trace element partitioning between amphibole, phlogopite and basanite melt
42. Distinct site preferences for heavy and light REE in amphibole and the prediction of (Amph/L)D(REE)
43. The volume and composition of melt generated by extension of the lithosphere
44. Short-wavelength gravity lineations and unusual flexure results at the Pukapuka volcanic ridge system
45. Proton microprobe determined partitioning of Rb, Sr, Ba, Y, Zr, Nb and Ta between experimentally produced amphiboles and silicate melts with variable F content
46. Phenocryst-matrix partition coefficients for K, Rb, Sr and Ba, with applications to anorthosite and basalt genesis
47. Distribution of REE and other trace elements between phenocrysts and peralkaline undersaturated magmas, exemplified by rocks from the Gardar igneous province, South Greenland
48. Stability of amphibole and phlogopite in metasomatized peridotite under water-saturated and water-undersaturated conditions
49. Petrology and trace element geochemistry of the Honolulu Volcanics, Oahu: Implications for the oceanic mantle below Hawaii
50. Plume-lithosphere interactions in the ocean basins: Constraints from the source mineralogy
51. Isotope geochemistry of Pacific mid-ocean ridge basalt
52. Crustal structure of the Tuamotu Plateau, 15°S, and implications for its origin
53. The physics of magma migration and mantle flow beneath a mid-ocean ridge
54. Implications of a two-component marble-cake mantle
55. Simultaneous generation of hotspots and superswells by convection in a heterogeneous planetary mantle