Evidence from gravity anomalies for interactions of the Marion and Bouvet hotspots with the southwest Indian Ridge: Effects of transform offsets

Earth and Planetary Science Letters

Volumn 187, Issue 3-4, 2001, Pages 283-300

  Georgen, Jennifer E ^a   Lin, Jian ^a   Dick, Henry J B ^a  

^a WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

Author keywords

Bouguer anomalies; Hot spots; Mid ocean ridges; Southwest Indian Ridge; Transform faults

Indexed keywords

BOUGUER ANOMALY; CRUSTAL THICKENING; HOT SPOT; MID-OCEAN RIDGE; SPREADING CENTER; TRANSFORM FAULT;

INDIAN OCEAN;

EID: 0034984542     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(01)00293-X     Document Type: Article

References (46)

1. Marine gravity anomaly from Geosat and ERS 1 satellite altimetry
2. Digital isochrons of the world's ocean floor
3. Hotspots in the southern oceans - An absolute frame of reference for motion of the Gondwana continents
4. Hotspot tracks and the early rifting of the Atlantic
5. Death and transfiguration of a triple junction in the south Atlantic
6. Isotope geochemistry of the oceanic mantle near the Bouvet triple junction
7. Spiess Ridge: An axial high on the slow spreading Southwest Indian Ridge
8. A different pattern of ridge segmentation and mantle Bouguer gravity anomalies along the ultra-slow spreading Southwest Indian Ridge (15°30′E to 25°E)
9. Southwest Indian Ridge 15°E-35°E: A geophysical investigation of an ultra-slow spreading mid-ocean ridge system
10. A survey of the Southwest Indian Ridge axis between Atlantis II Fracture Zone and the Indian Ocean Triple Junction: Regional setting and large scale segmentation
11. Mantle Bouguer anomaly along an ultra-slow spreading ridge: Implications for accretionary processes and comparison with results from central Mid-Atlantic Ridge
12. The FUJI scientific party, Imaging an ultra-slow spreading ridge: First results of the FUJI cruise on the SWIR (R/V Marion Dufresne, 7/10-3/11/97)
13. Formation of the axial relief at the very slow spreading Southwest Indian Ridge (49 degrees to 69 degrees E)
14. Dynamics of mantle flow and melting at a ridge-centered hotspot: Iceland and the Mid-Atlantic Ridge
15. Interaction of mantle plumes and migrating mid-ocean ridges: Implications for the Galapagos plume-ridge system
16. Mantle flow, melting, and dehydration of the Iceland mantle plume
17. The dynamics of plume-ridge interaction, 1: Ridge-centered plumes
18. The dynamics of plume-ridge interaction. 2: Off-ridge plumes
19. Mantle temperature anomalies along the present and paleoaxes of the Galapagos spreading center as inferred from gravity analysis
20. The northern Mid-Atlantic and Reykjanes Ridges: Spreading center morphology between 55°50′N and 63°00′N
21. The physiography of the Southwest Indian Ridge
22. Comparison of marine gravity from shipboard and high-density satellite altimetry along the Mid-Atlantic Ridge, 30.5°-35.5°S
23. An analysis of the variation of ocean floor bathymetry and heat flow with age
24. Finite amplitude convection cells and continental drift
25. Gravity anomalies of the ridge-transform system in the South Atlantic between 31 and 34.5°S: Upwelling centers and variations in crustal thickness
26. Evidence from gravity data for focused magmatic accretion along the Mid-Atlantic Ridge
27. 3-D flow and temperature perturbations due to transform offset: Effects on oceanic crustal and upper mantle structure
28. 204Pb mid-ocean ridge basalt: Isotope systematics of the central Southwest Indian Ridge (17°-50°E)
29. Geochemistry, mineralogy and petrogenesis of lavas erupted along the Southwest Indian Ridge between the Bouvet Triple Junction and 11 degrees east
30. Petrogenesis of anomalous K-enriched MORB from the Southwest Indian Ridge: 11°53′E to 14°38′E
31. Abyssal peridotites, very slow spreading ridges, and ocean ridge magmatism
32. Constraints on mantle melting, diapirism and melt flow at ultra-slow spreading ridges: Observations from petrological and geophysical data from the Southwest Indian Ridge 15 to 25 degrees east
33. Petrology and geochemistry of basalts from the American-Antarctic Ridge. Southern Ocean: Implications for the westward influence of the Bouvet mantle plume
34. Hotspots, mantle plumes, flood basalts, and true polar wander
35. Structure profonde du plateau de Madagascar: Relations avec le plateau de Crozet
36. Southern Ocean hotspot tracks and the Cenozoic absolute motion of the African, Antarctic, and South American plates
37. Plate reorganisations around Southern Africa, hot-spots and extinctions
38. Amsterdam...., A second type of hotspot island
39. Transform faults and longitudinal flow below the midoceanic ridge
40. Plumes, subaxial pipe flow, and topography along the mid-oceanic ridge
41. Lateral flow of plume material ponded at sublithospheric depths
42. The effects of transform offsets on reducing along-ridge plume flux: Implications for ridge-hotspot interactions
43. The rapid calculation of potential anomalies
44. Current plate velocities relative to the hotspots incorporating the NUVEL-1 global plate motion model