tab contribution id doi version timestamp magic_version contributor author description 5767 McElhinny & Opdyke (1973) 1 2006-12-21T10:37:27.000Z 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 Trenton Falls Outcrop 43.5 285 43.5 285 North America U.S.A. New York Trenton Limestone Sedimentary Limestone Extent Thickness 80m. Flat lying. 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 magic_method_codes er_timescale_citation_names er_citation_names Trenton Falls 461 472 Ma Phanerozoic Paleozoic Ordovician Middle Ordovician GM-FOSSIL Gradstein et al. 2004 This study >>>>>>>>>> tab delimited er_citations MAGIC00390611 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 McElhinny, M.W. and Opdyke, N.D. 1973 Remagnetization hypothesis discounted: a paleomagnetic study of the Trenton Limestone, New York State Journal Geological Society of America Bulletin 84 3,697-3,708 GPMDB 201 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_nn average_k vgp_lat vgp_lon vgp_dp vgp_dm tilt_correction percent_reversed iaga_database iaga_res_no result_description magic_method_codes er_citation_names 2738 Trenton Falls i ND ND ND ND M 43.5 285 461 471 Ma 18.5 173.1 5.2 29 26.4 36 114 3 5 0 100 GPMDB 2738 AF cleaning 20-30mT, thermal 300C. IRM (sat. 0. 4T) , AN. LP-DC3 : DE-DI : 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 GM-FOSSIL Geochronology Method Age determined from fossil record LP-DC3 Lab Protocol Vector diagrams or stereoplots with M/Mo justify demagnetization procedures used DC3 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