tab contribution id doi version timestamp magic_version contributor author description 7120 Sabate & Lomax (1975) 1 2007-01-18T10:21:06.000Z 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 er_citation_names Aftout Gabbro Outcrop 26.5 353.5 26.5 353.5 Africa Algeria Yetti Region Aftout Gabbro Intrusive Gabbro This study Dykes intruding Guelb el Hadid Series Outcrop 26.7 353.5 26.7 353.5 Africa Algeria Algeria Intrusive Intrusives This study Orosirian - Stenian Dykes Outcrop 26.6 353 26.6 353 Africa Algeria Yetti Region Intrusive Intrusives This study Orosirian - Stenian Quartz Diorite Outcrop 26.3 353.2 26.3 353.2 Africa Algeria Yetti-Eglab juncture Intrusive quartz diorite 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 Aftout Gabbro 1819 1919 Ma Proterozoic Paleoproterozoic Orosirian Isotope age 1869+/-50 Ma. GM-ISO Gradstein et al. 2004 This study Orosirian - Stenian Quartz Diorite 1000 2000 Ma Proterozoic Paleoproterozoic : Mesoproterozoic Orosirian : Stenian GM-CC-STRAT Gradstein et al. 2004 This study Dykes intruding Guelb el Hadid Series 1000 2000 Ma Proterozoic Paleoproterozoic : Mesoproterozoic Orosirian : Stenian GM-CC-STRAT Gradstein et al. 2004 This study Orosirian - Stenian Dykes 1000 2000 Ma Proterozoic Paleoproterozoic : Mesoproterozoic Orosirian : Stenian GM-CC-STRAT Gradstein et al. 2004 This study >>>>>>>>>> tab delimited er_citations MAGIC00391003 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 Sabate, P. and Lomax, K. 1975 Donnees stratigraphiques et paleomagnetiques de la region Yetti-Eglab (Sahara occidental algerien) Journal Bull.B.R.G.M. 4 292-311 GPMDB 1112 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 iaga_database iaga_res_no result_description magic_method_codes er_citation_names 2320 Aftout Gabbro i ND ND ND ND ND 26.5 353.5 1819 1919 Ma 55.5 72.4 5.7 5 26 179 28.8 55.1 5.7 8 0 0 GPMDB 2320 Minimum dispersion. LP-DC2 : DE-DI : LT-AF-Z This study 2321 Orosirian - Stenian Quartz Diorite i ND ND ND ND ND 26.3 353.2 1000 2000 Ma 77 139.5 12.5 3 18 97.9 6.6 9.1 21.7 23.3 0 0 GPMDB 2321 AF minimum dispersion. LP-DC2 : DE-DI : LT-AF-Z This study 2322 Dykes intruding Guelb el Hadid Series i ND ND ND ND ND 26.7 353.5 1000 2000 Ma 50.6 296.6 16 9 53 11.3 35.1 284.9 14.5 21.6 0 0 GPMDB 2322 AF minimum dispersion. LP-DC2 : DE-DI : LT-AF-Z This study 2323 Orosirian - Stenian Dykes i ND ND ND ND ND 26.6 353 1000 2000 Ma 71.1 55.1 21.5 7 34 8.9 41.2 31 32.7 37.5 0 0 GPMDB 2323 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-CC-STRAT Geochronology Method Correlation chronology: Stratigraphic succession GM-ISO Geochronology Method Age determined by isotopic dating, but no further details available 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