Rock magnetic studies and a comparison between microwave and Thellier palaeointensities for Canadian Precambrian dykes

Physics of the Earth and Planetary Interiors

Volumn 147, Issue 2-3 SPEC.ISS., 2004, Pages 247-254

  McArdle, N J ^a   Halls, H C ^b   Shaw, J ^a  

^a UNIVERSITY OF LIVERPOOL   (United Kingdom)

^b UNIVERSITY OF TORONTO   (Canada)

Author keywords

Canadian Shield; Microwave and Thellier palaeointensities; Precambrian dykes

Indexed keywords

COMPARATIVE STUDY; DIKE; MAGNETIC INTENSITY; MAGNETIC MINERAL; MICROWAVE IMAGERY; PALEOMAGNETISM; PRECAMBRIAN; THELLIER METHOD;

CANADIAN SHIELD; NORTH AMERICA;

EID: 5144227785     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2004.03.015     Document Type: Article

References (28)

1. K.L. Buchan J.K. Mortensen K.D. Card Northeast-trending Early Proterozoic dykes of southern Superior province: multiple episodes of emplacement from integrated palaeomagnetism and U-Pb geochronology Can. J. Earth Sci. 30 1993 1286-1296
2. K.L. Buchan H.C. Halls J.K. Mortenson Palaeomagnetism, U-Pb geochronology and geochemistry of Marathon dykes, superior province, and comparison with the Fort Frances swarm Can. J. Earth Sci. 33 12 1996 1583-1595
3. R.S. Coe The determination of paleo-intensities of the earth's magnetic field with emphasis on mechanisms which could cause non-ideal behaviour in Thellier's method J. Geomag. Geoelectr. 19 1967 157-179
4. R.S. Coe S. Gromme E.A. Mankinen Geomagnetic palaeointensities from the radiocarbon-dated lava flows on Hawaii and the question of the Pacific non-dipole low J. Geophys. Res. A 83 B4 1978 1740-1756
5. R. Day M. Fuller V.A. Schmidt Hysteresis Properties of Titanomagnetites: grain size and compositional dependence Phys. Earth Planet. Int. 13 1977 260-267
6. D.J. Dunlop Ö. Özdemir Rock Magnetism: Fundamentals and Frontiers 2001 Cambridge University Press (pp. 306-308)
7. H.C. Halls Palaeomagnetism, structure and longitudinal correlation of middle Precambrian dykes from north western Ontario and Minnesota Can. J. Earth Sci. 23 1986 142-157
8. H.C. Halls The Matachewan dyke swarm, Canada: an early Proterozoic magnetic field reversal Earth Planet. Sci. Lett. 105 1991 279-292
9. H.C. Halls N.J. McArdle M.N. Gratton M.J. Hill J. Shaw Microwave paleointensities from dyke chilled margins: a way to obtain long term variations in geodynamo intensity for the last three billion years Phys. Earth Planet. Int. 147 2004 183-195
10. M.J. Hill J. Shaw Palaeointensity results for historic lavas from Mt Etna using microwave demagnetization/remagnetization in a modified Thellier-type experiment Geophys. J. Int. 139 1999 583-590
11. M.J. Hill J. Shaw Magnetic field intensity study of the 1960 Kilauea lava flow, Hawaii, using the microwave palaeointensity technique Geophys. J. Int. 142 2000 487-504
12. K. Kobayashi Paleomagnetic determination of the intensity of the geomagnetic field in the Precambrian period Phys. Earth Planet. Int. 1 1968 387-395
13. M. Kono N. Ueno Paleointensity determination by a modified Thellier method Phys. Earth Planet. Int. 13 1977 305-314
14. S. Labrosse J.-P. Poirier J.-L. Le Mouel The age of the inner core Earth Planet. Sci. Lett. 190 2001 111-123
15. W. Lowrie M. Fuller On the alternating field demagnetisation characteristics of multi-domain thermoremanent magnetization in magnetite J. Geophys. Res. 76 1971 6339-6349
16. M. Macouin J.P. Valet J. Besse K. Buchan R. Ernst M. LeGoff U. Scharer Low paleointensities recorded in 1 to 2.4 Ga Proterozoic dykes, Superior Province Can. Earth Planet. Sci. Lett. 213 1/2 2003 79-95
17. M.W. McElhinny M.E. Evans An investigation of the strength of the geomagnetic field in the early Precambrian Phys. Earth Planet. Int. 1 1968 485-497
18. C. Morimoto Y. Otofuji M. Miki H. Tanaka T. Itaya Preliminary palaeomagnetic results of an archaean dolerite dyke of west Greenland: geomagnetic field intensity at 2.8 Ga Geophys. J. Int. 128 1997 583-585
19. A.R. Muxworthy Low-temperature susceptibility and hysteresis of magnetite Earth Planet. Sci. Lett. 169 1999 51-58
20. Perrin M. Schnepp E. Shcherbakov V., 2002. IAGA pint2002 palaeointensity database. Available: ftp://saphir.dstu.univmontp2.fr/pub/paleointdb/
21. E.J. Schwarz D.T.A. Symons Geomagnetic intensity between 100 million and 2500 million years ago Phys. Earth Planet. Int. 2 1969 11-18
22. P.A. Selkin L. Tauxe Long-term variations in palaeointensity Phil. Trans. R. Soc. Lond. 358 2000 1065-1088
23. P.A. Selkin J.S. Gee L. Tauxe W.P. Meurer A.J. Newell The effect of remanence anisotropy on paleointensity estimates: a case study from the Archean Stillwater complex Earth Planet. Sci. Lett. 183 2000 403-416
24. A.V. Smirnov J.A. Tarduno B.N. Pisakin Paleointensity of the early geodynamo (2.45 Ga) as recorded in Karelia: a single crystal approach Geology 31 2003 415-418
25. I. Sumita T. Hatakeyama A. Yoshihara Y. Hamano Paleomagnetism of late Archean rocks of Hamersley basin, western Australia and the paleointensity at early Proterozoic Phys. Earth Planet. Int. 128 2001 223-241
26. D. Walton J. Shaw J.A. Share J. Hakes Microwave demagnetisation J. Appl. Phys. 71 1992 1549-1551
27. D. Walton J.A. Share T.C. Rolph J. Shaw Microwave magnetisation Geophys. Res. Lett. 20 1993 109-111
28. A. Yoshihara Y. Hamano Intensity of the Earth's magnetic field in late Archean obtained from diabase dikes of the Slave province Can. Phys. Earth Planet. Int. 117 2000 295-307