Paleomagnetic results from a reconnaissance study of Santiago (Cape Verde Islands): Identification of cryptochron C2r.2r-1

Physics of the Earth and Planetary Interiors

Volumn 173, Issue 3-4, 2009, Pages 279-289

  Knudsen, Mads Faurschou ^a   Holm, Paul Martin ^b   Abrahamsen, Niels ^a  

^a AARHUS UNIVERSITY   (Denmark)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

Cape Verde; Cryptochrons; Excursions; Geomagnetic Polarity Time Scale; Paleomagnetism

Indexed keywords

ARGON; DENSITY (SPECIFIC GRAVITY); SEDIMENTARY ROCKS;

CAPE VERDE; CRYPTOCHRONS; EXCURSIONS; GEOMAGNETIC POLARITY TIME SCALE; PALEOMAGNETISM;

GEOMAGNETISM;

AGE DETERMINATION; BRUNHES CHRON; GEOMAGNETISM; MATUYAMA CHRON; PALEOMAGNETISM; VIRTUAL GEOMAGNETIC POLE;

ATLANTIC ISLANDS; ATLANTIC OCEAN; CAPE VERDE; MACARONESIA; SAO TIAGO;

EID: 62749084927     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2009.01.009     Document Type: Article

References (44)

1. Abranches M.C., Storetvedt K.M., Serralheiro A., and Løvlie R. The palaeo-magnetic record of the Santiago volcanics (Republic of Cape Verde); multiphase magnetization and age consideration. Phys. Earth Planet. Interiors 64 (1990) 290-302
2. Alves C.A.M., Macedo J.R., Silva L.C., and Serralheiro A.P.F.A.F. Estudo geológico, petrológico e vulcanológico da ilha de Santiago (Cabo Verde). Garcia de Orta Ser. Geol. 3 (1979) 47-74
3. Becker, T.W., Boschi, L., 2002. A comparison of tomographic and geodynamic mantle models. Geochem. Geophys. Geosyst. 3(1), 1003 doi:10.1029/2001GC000168.
4. Camps P., Henry B., Prévot M., and Faynot L. Geomagnetic paleosecular variation in Plio-Pleistocene rocks from Possession Island (Crozet Archipelago, southern Indian Ocean). J. Geophys. Res. 106 B2 (2001) 1961-1971
5. Cande S., and Kent D.V. A new Geomagnetic Polarity Time Scale for the late cretaceous and cenozoic. J. Geophys. Res. 97 (1992) 13917-13951
6. Cande S., and Kent D.V. Revised calibration of the geomagnetic polarity timescale for the late cretaceous and cenozoic. J. Geophys. Res. 100 (1995) 6093-6095
7. ages and implications. Earth planet. Sci. Lett. 222 (2004) 667-684
8. Constable C.G., and Johnson C.L. Anisotropic paleosecular variation models: implications for geomagnetic field observables. Phys. Earth and Planet. Interiors 115 (1999) 35-51
9. Dziewonski A.M., and Woodhouse J. Global images of the Earth's interior. Science 236 (1987) 37-48
10. Emilia D.A., and Heinrichs D.F. Ocean floor spreading: Olduvai and Gilsa events in the Matuyama epochs. Science 166 (1969) 1267-1269
11. Gerlach D.C., Cliff R.A., Davies G.R., Norry M., and Hodgson N. Magma sources of the Cape Verdes archipelago: isotropic and trace element constraints. Geochimica et Cosmochimica Acta 52 (1988) 2979-2992
12. Glatzmaier G.A., Coe R.S., Hongre L., and Roberts P.H. The role of the Earth's mantle in controlling the frequency of geomagnetic reversals. Nature 401 (1999) 885-890
13. Gubbins D. The distinction between geomagnetic excursions and reversals. Geophys. J. Int. 137 (1999) F1-F3
14. Hayes D.E., and Rabinowitz P.D. Mesozoic magnetic lineations and the magnetic quiet zone off Northwest Africa. Earth Planet. Sci. Lett. 28 (1975) 105-115
15. Heirtzler J.R., Dickson G.O., Herron E.M., Pitman W.C., and Le Pichon III X. Marine magnetic anomalies, geomagnetic reversals and motions of the ocean floors and continents. J. Geophys. Res. 73 (1968) 2119-2136
16. evidence. Earth Planet. Sci. Lett. 254 (2007) 256-271
17. Hoffman K.A. Dipolar reversal states of the geomagnetic field and core-mantle dynamics. Nature 359 (1992) 789-794
18. study of the cape verde hotspot: temporal evolution in a semi-stationary plate environment. J. Geophys. Res., 113, B08201 doi:10.1029/2007JB005339.
19. Holm P.M., Wilson J.R., Christensen B.P., Hansen L., Hansen S.L., Hein K.M., Mortensen A.K., Pedersen R., Plesner S., and Runge M.K. Sampling the Cape Verde mantle plume: evolution of melt compositions on Santo Antão, Cape Verde Islands. J. Petrol. 47 (2006) 145-189
20. Johnson C.L., and Constable C.G. The time-averaged geomagnetic field as recorded by lava flows over the past 5 Myr. Geophys. J. Int. 122 (1995) 489-519
21. ages and paleomagnetism of Sao Miguel lavas, Azores. Earth Planet. Sci. Lett. 160 (1998) 637-649
22. Kirschvink J.L. The least squares line and plane and the analysis of palaeo-magnetic data. Geophys. J. Roy. Astron. Soc. 62 (1980) 699-718
23. Klerkx J., and De Paepe P. The main characteristics of the magmatism of the Cape Verde islands. Ann. Soc. Geol. Belg. 99 (1976) 347-357
24. Knudsen M.F., and Abrahamsen N. Magnetostratigraphy of young Pliocene volcanics at Santo Antão, Cape Verde islands: the Escabecada and Chã de Morte profiles. Phys. Chem. Earth 25 (2000) 461-467
25. Knudsen M.F., Abrahamsen N., and Riisager P. Palaeomagnetic evidence from Cape Verde Islands basalts for fully-reversed excursions in the Brunhes Chron. Earth Planet. Sci. Lett. 206 1-2 (2003) 199-214
26. Knudsen M.F., Abrahamsen N., and Riisager P. A rock- and palaeomagnetic study of geologically recent lavas and 1995 volcanic glass on Fogo (Caper Verde Islands). Bull. Geol. Soc. Denmark 52 (2005) 39-52
27. McElhinny M.W., and McFadden P.L. Paleosecular variation over the past 5 Myr based on a new generalized data base. Geophys. J. Int. 131 (1997) 240-252
28. McFadden P.L., and McElhinny M.W. Classification of the reversal test in palaeomagnetism. Geophys. J. Int. 103 (1990) 725-729
29. McNutt M. Thermal and mechanical properties of the Cape Verde rise. J. Geophys. Res. 93 B4 (1988) 2784-2794
30. Pollitz F. Two-stage model of African absolute motion during the last 30 million years. Tectonophysics 194 (1991) 91-106
31. Prévot M., and Camps P. Absence of preferred longitude sectors for poles from volcanic records of geomagnetic reversals. Nature 366 (1993) 53-57
32. Renne P.R., Deino A.L., Walter R.C., Turrin B.D., Swisher C.C.I., Becker T.A.H.C.G., Sharp W.D., and Jaouni A.-R. Intercalibration of astronomical and radioisotopic time. Geology 22 (1994) 783-786
33. dating. Chem. Geol. 145 (1998) 117-152
34. Riisager J., Riisager P., and Pedersen A.K. Paleomagnetism of large igneous provinces: case-study from West Greenland, North Atlantic igneous province. Earth Planet. Sci. Lett. 214 (2003) 409-425
35. Serralheiro A. A Geologica da Ilha de Santiago (Cape Verde). Boletim do Museu e Laboratório Mineralogico e Geologico da Faculdade de Ciências. Uni-versidade de Lisboa 14 2 (1976) 157-369
36. ages from transitionally magnetized lavas on La Palma, Canary Islands, and the Geomagnetic Instability Timescale. J. Geophys. Res. 107 (B11), 2307 doi:10.1029/2001JB001613.
37. timescale of reversals and events. J. Geophys. Res. 104 (1999) 679-693
38. Stillman C.J., Furnes H., LeBas M.J., Robertson A.H.F., and Zielonka J. The geological history of Maio, Cape Verde islands. J. Geol. Soc., London 139 (1982) 347-361
39. Storetvedt K., and Løvlie R. Magnetization properties of intrusive/extrusive rocks from East Maio (Republic of Cape Verde) and their geological implications. Geophys. J.R. Astron. Soc. 73 (1983) 197-212
40. Tauxe, L., Luskin, C., Selkin, P., Gans, P., Calvert, A., 2004. Paleomagnetic results from the Snake River Plain: contribution to the time-averaged field global database. Geochem. Geophys. Geosyst. 5, Q08H13, doi:10.1029/2003GC000661.
41. Verosub K. Geomagnetic excursions and their paleomagnetic record. Rev. Geophys. Space Phys. 15 (1977) 145-155
42. Watkins N., Richardson A., and Mason R.G. Palaeomagnetism of the mac-aronesian insular region, the Cape Verde islands. Geophys. J.R. Astron. Soc. 16 (1968) 119-140
43. Williams C.A., Hill I.A., Young R., and White R.S. Fracture zones across the Cape Verde Rise, N.E. Atlantic. J. Geol. Soc., London 147 (1990) 851-857
44. Yang T., Hyodo M., Yang Z., Ding L., Fu J., and Mishima T. Early and middle Matuyama geomagnetic excursions recorded in the Chinese loess-paleosol sediments. Earth Planet. Spa. 59 7 (2007) 825-840