Cape Verde hotspot from the upper crust to the top of the lower mantle

Earth and Planetary Science Letters

Volumn 319-320, Issue , 2012, Pages 259-268

  Vinnik, Lev ^a   Silveira, Graça ^b,c   Kiselev, Sergei ^a   Farra, Veronique ^d   Weber, Michael ^e,f   Stutzmann, Eleonore ^d  

^a SCHMIDT INSTITUTE OF PHYSICS OF THE EARTH   (Russian Federation)

^b UNIVERSITY OF LISBON   (Portugal)

^c INSTITUTO SUPERIOR DE ENGENHARIA DE LISBOA   (Portugal)

^d INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

^e GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^f UNIVERSITY OF POTSDAM   (Germany)

Author keywords

Crust; Hotspot; Mantle transition zone; Plume; Receiver function; Upper mantle

Indexed keywords

CRUST; HOT SPOT; MANTLE TRANSITION ZONE; PLUME; RECEIVER FUNCTION; UPPER MANTLE;

SEISMOLOGY;

VELOCITY;

HOT SPOT; LOW VELOCITY ZONE; LOWER MANTLE; MANTLE DISCONTINUITY; MANTLE PLUME; MOHO; P-WAVE; PHASE TRANSITION; S-WAVE; SEISMIC DATA; TRANSITION ZONE; UPLIFT; UPPER CRUST;

AZORES; CAPE VERDE; PORTUGAL;

EID: 84856033766     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2011.12.017     Document Type: Article

References (48)

1. Anderson D.L. Hawaii, boundary layers and ambient mantle-geophysical constraints. J. Petrol. 2010, 52(7-8):1547-1577. 10.1093/petrology/egq068.
2. Birch F. The velocity of compressional waves in rocks to 10kilobars. Part 2. J. Geophys. Res. 1961, 66:2199-2224.
3. Biswas N.N. Earth-flattening procedure for the propagation of Rayleigh waves. Pure Appl. Geophys. 1972, 96:61-74.
4. Bock G. Synthetic seismogram images of upper mantle structure: no evidence for a 520-km discontinuity. J. Geophys. Res. 1994, 99:15843-15851.
5. Budweg M., Bock G., Weber M. The Eifel Plume-imaged with converted seismic waves. Geophys. J. Int. 2006, 166:579-589.
6. Chevrot S., Vinnik L., Montagner J.-P. Global scale analysis of the mantle Pds phases. J. Geophys. Res. 1999, 104B:20,203-20,219.
7. Christensen N.I. Poisson's ratio and crustal seismology. J. Geophys. Res. 1996, 101:3139-3156.
8. Courtillot V., Davaille A., Besse J., Stock J. Three distinct types of hotspots in the Earth's mantle. Earth Planet. Sci. Lett. 2003, 205(3-4):295-308.
9. Courtney R.C., White R.S. Anomalous heat flow across the Cape Verde Rise: evidence for a thermal plume in the Earth's mantle. J. R. Astron. Soc. 1986, 87:815-869.
10. Davaille A., Stutzmann E., Silveira G., Besse J., Courtillot V. Convective patterns under the Indo-Atlantic "box". Earth Planet. Sci. Lett. 2005, 239(3-4):233-252.
11. Deuss A. Seismic observations of transition-zone discontinuities beneath hotspot locations. Geological Society of America, Special Papers 2007, 430:121-131. G.R. Foulger, D.M. Jurdy (Eds.).
12. Deuss A., Woodhouse J. Seismic observations of splitting of the mid-transition zone discontinuity in Earth's mantle. Science 2001, 294(5541):354-357.
13. Doglioni C., Green D., Mongelli F. On the shallow origin of 'hotspots' and the westward drift of the lithosphere. Geological Society of America, Special Papers 2005, 388:733-749. G.R. Foulger, J.H. Natland, D.C. Presnall, D.L. Anderson (Eds.).
14. Du Z., Vinnik L.P., Foulger G.R. Evidence from P-to-S mantle converted waves for a flat 660-km discontinuity beneath Iceland. Earth Planet. Sci. Lett. 2006, 241:271-280.
15. Farra V., Vinnik L. Upper mantle stratification by P and S receiver functions. Geophys. J. Int. 2000, 141:699-712.
16. Flanagan M.P., Shearer P.M. Global mapping of topography of transition zone velocity discontinuities by stacking SS precursors. J. Geophys. Res. 1998, 103:2673-2692.
17. Forte A.M., Quere S., Moucha R., Simmons N.A., Grand S.P., Mitrovica J.X., Rowly D.B. Joint seismic-geodynamic-mineral physical modeling of African geodynamics: a reconciliation of deep-mantle convection with surface geophysical constraints. Earth Planet. Sci. Lett. 2010, 295(3-4):329-341.
18. Gaherty J.B., Jordan T.H., Gee L.S. Seismic structure of the upper mantle in a central Pacific corridor. J. Geophys. Res. 1996, 101(B10):22291-22309. 10.1029/96JB01882.
19. Gripp A.E., Gordon R.G. Young tracks of hotspots and current plate velocities. Geophys. J. Int. 2002, 150:321-361. 10.1046/j.1365-246X.2002.01627.x.
20. Gu Y.J., Dziewonski A.M., Agee C.B. Global de-correlation of the topography of transition zone discontinuities. Earth Planet. Sci. Lett. 1998, 157:57-67.
21. Haskell N.A. Crustal reflection of plane P and SV waves. J. Geophys. Res. 1962, 67:4751-4767.
22. Helffrich G., Faria B., Fonseca J.F.B.D., Lodge A., Kaneshima S. Transition zone structure under a stationary hot spot: Cape Verde. Earth Planet. Sci. Lett. 2010, 289(1-2):156-161.
23. Hirose K. Phase transitions in pyrolitic mantle around 670-km depth: implications for upwelling of plumes from the lower mantle. J. Geophys. Res. 2002, 107(B4):2078. 10.1029/2001JB000597.
24. 39Ar study of the Cape Verde hot spot: temporal evolution in a semi-stationary plate environment. J. Geophys. Res. 2008, 113:B08201. 10.1029/2007/JB005339.
25. Kennett B., Engdahl E.R. Travel times for global earthquake location and phase identification. Geophys. J. Int. 1991, 105:429-465.
26. 2: highly calcic magmas in the transition zone of the Earth. J. Petrol. 2011, 52:2265-2291.
27. Kiselev S., Vinnik L., Oreshin S., Gupta S., Rai S.S., Singh A., Kumar M.R., Mohan G. Lithosphere of the Dharwar craton by joint inversion of P and S receiver functions. Geophys. J. Int. 2008, 173:1106-1118. 10.1111/j1365-246X.2008.03777.x.
28. Leahy G.M., Park J. Hunting for oceanic island Moho. Geophys. J. Int. 2005, 160(3):1020-1026.
29. Lodge A., Helffrich G. Depleted swell root beneath the Cape Verde Islands. Geology 2006, 36(6):449-452. 10.1130/G22030.
30. Monnereau M., Casenave A. Depth and geoid anomalies over oceanic hotspot swells: a global survey. J. Geophys. Res. 2000, 95:15429-15438.
31. Montelli R., Nolet G., Dahlen F.A., Masters G. A catalogue of deep mantle plumes: new results from finite-frequency tomography. Geochem. Geophys. Geosyst. 2006, 7(Q11007):69. 10.1029/2006GC001248.
32. Morgan W.J. Convection plumes in the lower mantle. Nature 1971, 230:42-43.
33. Mosegaard K., Vestergaard P.D. A simulated annealing approach to seismic model optimization with sparse prior information. Geophys. Prospect. 1991, 39:599-611.
34. Nolet G., Karato S.-I., Montelli R. Plume fluxrs from seismic tomography. Earth Planet. Sci. Lett. 2006, 248(3-4):685-699.
35. O'Hara M.J. Is there an Icelandic plume?. Nature 1975, 253:708-710.
36. Pim J., Peirce C., Watts A.B., Grevemeyer I., Krabbenhoeft A. Crustal structure and origin of the Cape Verde Rise. Earth Planet. Sci. Lett. 2008, 272(1-2):422-428.
37. Revenaugh J., Jordan T. Mantle layering from ScS reverberatios 1. Waveform inversion of zeroth-order reverberations. J. Geophys. Res. 1991, 96(B12):19749-19762.
38. Ritsema J., Allen R.M. The elusive mantle plumes. Earth Planet. Sci. Lett. 2003, 207:1-12. 10.1016/S0012-821X(02)01093-2.
39. Ryberg T., Wenzel F., Egorkin A.V., Solodilov L. Short-period observation of the 520km discontinuity in northern Eurasia. J. Geophys. Res. 1997, 102(B3):5413-5422.
40. Silveira G., Stutzmann E., Davaille A., Montagner J.-P., Mendes-Victor L., Sebai A. Azores hotspot signature in the upper mantle. J. Volcanol. Geotherm. Res. 2006, 156(1-2):23-34.
41. Silveira G., Vinnik L., Stutzmann E., Farra V., Kiselev S., Morais I. Stratification of the Earth beneath the Azores from P and S receiver functions. Earth Planet. Sci. Lett. 2010, 299:91-103.
42. Solheim L.P., Peltier W.R. Phase boundary deflections at 660-km depth and episodically layered isochemical convection in the mantle. J. Geophys. Res. 1994, 99(B8):15861-15875.
43. Tauzin B., Debayle E., Wittlinger G. The mantle transition zone as seen by global Pds phases: no clear evidence for a thin transition zone beneath hotspots. J. Geophys. Res. 2008, 113:B08309. 10.1029/2007/B005364.
44. Vinnik L. Detection of waves converted from P to SV in the mantle. Phys. Earth Planet. Inter. 1977, 15:39-45.
45. Vinnik L., Farra V. S velocity reversal in the mantle transition zone. Geophys. Res. Lett. 2006, 33:L18316. 10.1029/2006GL027120.
46. Vinnik L.P., Reigber Ch., Aleshin I.M., Kosarev G.L., Kaban M.K., Oreshin S.I., Roecker S.W. Receiver function tomography of the central Tien Shan. Earth Planet. Sci. Lett. 2004, 225(1-2):131-146.
47. Vinnik L., Ren Y., Stutzmann E., Farra V., Kiselev S. Observations of S410p and S350p phases at seismograph stations in California. J. Geophys. Res. 2010, 115:B05303. 10.1029/2009JB006582.
48. White R.S., McKenzie D., O'Nions R.K. Oceanic crustal thickness from seismic measurements and rare earth elements. J. Geophys. Res. 1992, 97(B13):19,683-19,715.