tab contribution id doi version timestamp magic_version contributor author description 5878 10.1029/95JB00042 1 2006-12-21T11:24:43.000Z 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 terrane geological_province_section location_class location_lithology er_citation_names Mount Matikonis Volcanics Outcrop -75.4 221.2 -75.4 221.2 Antarctica Antarctica Marie Byrd Land Marie Byrd Land Mount Matikonis Volcanics Extrusive : Sedimentary volcaniclastic sediments This study Mount Pearson Volcanics Outcrop -75.9 219 -75.9 219 Antarctica Antarctica Marie Byrd Land Marie Byrd Land Mount Pearson Volcanics Extrusive : Sedimentary Volcaniclastic This study Mount Sinha Granodiorite Outcrop -75 223.9 -75 223.9 Antarctica Antarctica Marie Byrd Land Marie Byrd Land Mount Sinha Granodiorite Intrusive Granodiorite This study Mount Steinfeld Granodiorite Outcrop -75.2 224.1 -75.2 224.1 Antarctica Antarctica Marie Byrd Land Marie Byrd Land Mount Steinfeld Granodiorite Intrusive Granodiorite This study Mount Vance/LeMasurier Volcanics Outcrop -75.5 220.6 -75.5 220.6 Antarctica Antarctica Marie Byrd Land Marie Byrd Land Mount Vance : LeMasurier Volcanics Extrusive Basalt : Trachyte This study Wilkins Nunatek Volcanics Outcrop -75.7 220 -75.7 220 Antarctica Antarctica Marie Byrd Land Marie Byrd Land Wilkins Nunatek Volcanics Extrusive Extrusives 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 Mount Vance/LeMasurier Volcanics 115 120 Ma Phanerozoic Mesozoic Cretaceous Early Cretaceous Rb-Sr ages 110-120 Ma; U-Pb age 118+/-2 Ma. GM-UPB : GM-RBSR Gradstein et al. 2004 This study Wilkins Nunatek Volcanics 115 120 Ma Phanerozoic Mesozoic Cretaceous Early Cretaceous Rb-Sr ages 110-120 Ma; U-Pb age 118+/-2 Ma. GM-UPB : GM-RBSR Gradstein et al. 2004 This study Mount Matikonis Volcanics 115 120 Ma Phanerozoic Mesozoic Cretaceous Early Cretaceous Rb-Sr ages 110-120 Ma; U-Pb age 118+/-2 Ma. GM-UPB : GM-RBSR Gradstein et al. 2004 This study Mount Pearson Volcanics 115 120 Ma Phanerozoic Mesozoic Cretaceous Early Cretaceous Rb-Sr ages 110-120 Ma; U-Pb age 188+/-2 Ma. GM-UPB : GM-RBSR Gradstein et al. 2004 This study Mount Steinfeld Granodiorite 115 120 Ma Phanerozoic Mesozoic Cretaceous Early Cretaceous U-Pb age c. 117 Ma. GM-UPB Gradstein et al. 2004 This study Mount Sinha Granodiorite 115 120 Ma Phanerozoic Mesozoic Cretaceous Early Cretaceous U-Pb age c. 177 Ma. GM-UPB Gradstein et al. 2004 This study >>>>>>>>>> tab delimited er_citations MAGIC00394964 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 DiVenere, V., Kent, D.V. and Dalziel, I.W.D. 1995 Early Cretaceous paleomagnetic results from Marie Byrd Land, West Antarctica: implications for the Wedellia collage of crustal blocks Journal Journal of Geophysical Research 100 8,133-8,151 GPMDB 2961 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 Wilson 1961 Wilson, R.L. 1961 Palaeomagnetism in Northern Ireland, Part I. The thermal demagnetization of natural magnetic moments in rocks Journal Geophysical Journal London 5 45-58 >>>>>>>>>> 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 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 7701 Mount Vance/LeMasurier Volcanics i Fo ND ND ND ND -75.5 220.6 115 120 Ma -78 125.2 4.8 6 38 193 56.8 5.6 8.7 8.7 100 1.3 6 -78 125.2 193 4.8 -77.9 59.9 149 5.5 65 0 GPMDB 7701 AF to 100mT, thermal to 675C, characteristic component. LP-DC4 : DE-VGP : LT-AF-Z : LT-T-Z This study 7702 Wilkins Nunatek Volcanics i F- ND ND ND ND -75.7 220 95 105 Ma -85.9 30.3 5.2 6 44 166.3 81.6 11.9 10.2 10.2 0 0.02 6 -48.6 352.6 3.7 40.7 -85.9 30.3 166.3 5.2 0 GPMDB 7702 AF to 100mT, thermal to 675C, characteristic component. Remagnetized by 100Ma granite?. LP-DC4 : DE-VGP : LT-AF-Z : LT-T-Z This study 7703 Mount Matikonis Volcanics i ND ND ND ND ND -75.4 221.2 95 105 Ma -81.5 1.4 2 14 87.8 232.5 0 0 GPMDB 7703 AF to 100mT, thermal to 675C, characteristic component. Overprint from 100Ma granite?. LP-DC4 : DE-DI : LT-AF-Z : LT-T-Z This study 7704 Mount Pearson Volcanics i Fo ND ND ND ND -75.9 219 80 100 Ma -78.5 271.7 12.4 3 21 104 64.4 99.3 22.4 22.4 0 0.21 10 0 GPMDB 7704 AF to 100mT, thermal to 675C, characteristic component. Overprint <=100 Ma. LP-DC4 : DE-VGP : LT-AF-Z : LT-T-Z This study 7705 Mount Steinfeld Granodiorite i ND ND ND ND ND -75.2 224.1 115 120 Ma -67.8 160.3 4.2 5 32 325 36.9 29.6 6.3 6.3 0 0 GPMDB 7705 AF to 100mT, thermal to 675C, characteristic component. LP-DC4 : DE-VGP : LT-AF-Z : LT-T-Z This study 7706 Mount Sinha Granodiorite i ND ND ND ND ND -75 223.9 80 100 Ma -80.5 269.6 10.4 3 13 141 66.5 96 20 20 0 0 GPMDB 7706 AF to 100mT, thermal to 675C, characteristic component. Pre 100 Ma overprint suggested. LP-DC4 : DE-VGP : LT-AF-Z : LT-T-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 DE-VGP Direction Estimation Pole latitude and longitude calculation from mean VGP Ptype V Cox & Doell 1960 GM-RBSR Geochronology Method 87Rb-87Sr age determination GM-UPB Geochronology Method U-Pb age determination LP-DC4 Lab Protocol Principal component analysis carried out from analysis of Zijderveld diagrams DC4 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 LT-T-Z Lab Treatment Specimen cooling: In zero field Heating the specimen to the desired temperature step and then cooling in zero ambient magnetic field. T http://earthref.org/MAGIC/books/Tauxe/2005/lecture.09.htm#LT-TZ Wilson 1961 : Collinson 1983