tab contribution id doi version timestamp magic_version contributor author description 5933 Kristjansson et al. (1988) 1 2006-12-21T11:40:17.000Z 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 Eyjafjoll Volcanic System Outcrop 63.5 340.3 63.5 340.3 Atlantic Ocean Iceland Southern Iceland Eyjafjoll Volcanic System Extrusive Basalt Brunhes-Matuyama boundary section. Extent Thickness 145m. This study Mt Ignolfsjall Lavas Outcrop 64 339 64 339 Atlantic Ocean Iceland Southwest Iceland Mt Ignolfsjall Lavas Extrusive Basalt Brunhes-Matuyama transition section. This study Tjornes Peninsula Volcanics Outcrop 66 342.8 66 342.8 Atlantic Ocean Iceland North Iceland Tjornes Peninsula Volcanics Extrusive Basalt Brunhes-Matuyama transition section. Extent Thickness 200m. This study >>>>>>>>>> tab delimited er_ages er_location_name age_range_low age_range_high age_unit timescale_eon timescale_era timescale_period timescale_epoch age_description magic_method_codes er_timescale_citation_names er_citation_names Eyjafjoll Volcanic System 0 1 Ma Phanerozoic Cenozoic Neogene Pleistocene K-Ar age 0. 78 Ma. GM-KAR Gradstein et al. 2004 This study Tjornes Peninsula Volcanics 0 2 Ma Phanerozoic Cenozoic Neogene Pleistocene K-Ar ages 0. 75 to 1. 25 Ma. GM-KAR Gradstein et al. 2004 This study Mt Ignolfsjall Lavas 0 1 Ma Phanerozoic Cenozoic Neogene Pleistocene GM-PMAG-POL Gradstein et al. 2004 This study >>>>>>>>>> tab delimited er_citations MAGIC00393582 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 Kristjansson, L., Johannesson, H., Eiriksson, J. and Gudmundsson, A.I. 1988 Brunhes-Matuyama paleomagnetism in three lava sections in Iceland Journal Canadian Journal of Earth Sciences 25 215-225 GPMDB 3024 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 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 percent_reversed antipodal normal_inc normal_dec normal_n normal_k normal_alpha95 reversed_inc reversed_dec reversed_n reversed_k reversed_alpha95 iaga_database iaga_res_no result_description magic_method_codes er_citation_names 7814 Eyjafjoll Volcanic System i ND ND ND Rc M 63.5 340.3 0 1 Ma 76 11.3 4.9 12 66 80.8 85 65.3 8.3 9 100 50 177.4 77.2 8.9 6 116.9 6.2 -74.8 193.4 6 55.4 9.1 GPMDB 7814 Bulk AF cleaning used. Js-T (CT 100-560C). LP-DC2 : DE-DI : LT-AF-Z This study 7815 Tjornes Peninsula Volcanics i ND ND ND Rb ND 66 342.8 0 2 Ma 76 6.4 3.9 24 97 59 86.3 112.4 6.6 7.2 100 25 178.3 76.3 5.2 18 47.3 5.1 -75 189.6 6 173.3 5.1 GPMDB 7815 AF bulk cleaning. LP-DC2 : DE-DI : LT-AF-Z This study 7816 Mt Ignolfsjall Lavas i ND ND ND R- ND 64 339 0 1 Ma 73.3 8.8 3.1 34 115 62.2 83.5 114.9 5 5.6 100 26 166.7 74.4 20.6 25 207.2 2 -67.5 164.7 9 33.4 9 GPMDB 7816 AF bulk cleaning. 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-KAR Geochronology Method 40K-40Ar age determination GM-PMAG-POL Geochronology Method Paleomagnetic age determination: Polarities 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