tab contribution id doi version timestamp magic_version contributor author description 6594 10.1139/e74-113 1 2006-12-22T05:53:43.000Z 2.2 @magic >>>>>>>>>> tab delimited er_locations er_location_name location_type location_begin_lat location_begin_lon location_end_lat location_end_lon continent_ocean country region geological_province_section location_class location_lithology location_description er_citation_names Osler Volcanics, Nipigon Strait, Lower Reversed Outcrop 48.7 271.9 48.7 271.9 North America Canada Ontario Osler Volcanics Extrusive Extrusives Normal lavas unconfotmably overlie Reverved lavas. Extent 8km, thick 1000m. This study Osler Volcanics, Nipigon Strait, Upper Normal Outcrop 48.7 271.9 48.7 271.9 North America Canada Ontario Osler Volcanics Extrusive Extrusives Normal lavas unconfotmably overlie Reverved lavas. Extent 8km, thick 1000m. This study >>>>>>>>>> tab delimited er_ages er_location_name age_range_low age_range_high age_unit timescale_eon timescale_era timescale_period age_description magic_method_codes er_timescale_citation_names er_citation_names Osler Volcanics, Nipigon Strait, Lower Reversed 1090 1110 Ma Proterozoic Mesoproterozoic Stenian U-Pb ages: Base Reversed lavas 1107. 5+4-2; Top 1098. 6+/-3. 7Ma. GM-UPB Gradstein et al. 2004 This study Osler Volcanics, Nipigon Strait, Upper Normal 1090 1110 Ma Proterozoic Mesoproterozoic Stenian U-Pb ages: Base Reversed lavas 1107. 5+4-2; Top 1098. 6+/-3. 7Ma. GM-UPB Gradstein et al. 2004 This study >>>>>>>>>> tab delimited er_citations MAGIC00390796 er_citation_name long_authors year title citation_type journal volume pages book_title book_editors publisher city iaga_database iaga_ref_no This study Halls, H.C. 1974 A paleomagnetic reversal in the Osler Volcanic Group, northern Lake Superior Journal Canadian Journal of Earth Sciences 11 1,200-1,207 GPMDB 247 As & Zijderveld 1958 As, J.A. and Zijderveld, J.D.A. 1958 Magnetic cleaning of rocks in paleomagnetic research Journal Geophysical Journal International 1 308-319 Collinson 1983 Collinson, D.W. 1983 Book 503 Methods in rock magnetism and Paleomagnetism: Techniques and instrumentation Chapman and Hall London Cox & Doell 1960 Cox, A. and Doell, R.R. 1960 Review of paleomagnetism Journal Geological Society of America Bulletin 71 645 Gradstein et al. 2004 Gradstein, F.M., Ogg, J.G. and Smith, A.G. 2004 Book 588 A Geologic Time Scale Cambridge University Press Cambridge McElhinny & McFadden 2000 McElhinny, M.W. and McFadden, P.L. 2000 Serial Book International Geophysics Series 73 1-1 Paleomagnetism: continents and oceans Dmowska, R., Holton, J.R. and Rossby, H.T. Academic Press San Diego >>>>>>>>>> tab delimited pmag_results pmag_result_name er_location_names data_type fold_test conglomerate_test contact_test reversal_test rock_magnetic_test pole_comp_name average_lat average_lon average_age_low average_age_high average_age_unit average_inc average_dec average_alpha95 average_n average_nn average_k vgp_lat vgp_lon vgp_dp vgp_dm tilt_correction tilt_k_ratio tilt_n tilt_inc_corr tilt_dec_corr tilt_k_corr tilt_alpha95_corr tilt_inc_uncorr tilt_dec_uncorr tilt_k_uncorr tilt_alpha95_uncorr fold_test_significance percent_reversed iaga_database iaga_res_no result_description magic_method_codes er_citation_names 2612 Osler Volcanics, Nipigon Strait, Lower Reversed i F+ ND ND ND ND Lower Reversed 48.7 271.9 1090 1110 Ma -57.5 115 4.6 25 106 40.2 43.1 194.5 5 6.8 100 2.48 25 -75.5 115 40.2 4.6 -37.8 119.5 16.2 7.4 99 100 GPMDB 2612 Lower Reverse. AF cleaning 10-40mT, minimum dispersion. LP-DC2 : DE-DI : LT-AF-Z This study 2613 Osler Volcanics, Nipigon Strait, Upper Normal i ND ND ND ND ND Upper Normal 48.7 271.9 1090 1110 Ma 39.5 296.5 8.5 5 25 82.3 33.9 177.9 6.1 10.2 100 5 39.5 296.5 82.3 8.5 28.6 299.2 68.1 9.3 0 GPMDB 2613 Upper Normal. AF cleaning 10-40mT. minimum dispersion. LP-DC2 : DE-DI : LT-AF-Z This study >>>>>>>>>> tab delimited magic_methods magic_method_code method_type method_definition method_description method_iaga7 method_url_tauxe er_citation_names DE-DI Direction Estimation Pole latitude and longitude calculation from mean declination-inclination Ptype D Cox & Doell 1960 GM-UPB Geochronology Method U-Pb age determination LP-DC2 Lab Protocol Bulk demagnetization carried out on all samples but no vector diagrams shown DC2 http://earthref.org/MAGIC/books/Tauxe/2005/lecture.16.htm#IAGA7 McElhinny & McFadden 2000 LT-AF-Z Lab Treatment Alternating field: In zero field A specimen is subject to a decaying and alternating magnetic field such that the magnetic moments with coercivities below the peak field are aligned in opposed directions, and thus cancel. Specimens are typically reoriented in three or more orthogonal axe. A http://earthref.org/MAGIC/books/Tauxe/2005/lecture.09.htm#LT-AFZ As & Zijderveld 1958 : Collinson 1983