tab delimited contribution id version timestamp contributor data_model_version reference description 13268 2 2006-12-18T11:47:13.000Z @magic 3.0 10.1139/e76-007 Upgraded to MagIC Data Model 3.0 by the MagIC Database Team >>>>>>>>>> tab delimited locations location location_type result_name result_type method_codes citations geologic_classes lithologies geological_province_sections lat_s lat_n lon_w lon_e continent_ocean country region age_low age_high age_unit dir_tilt_correction dir_dec dir_inc dir_alpha95 dir_k dir_n_sites dir_n_samples fold_test conglomerate_test contact_test reversal_test pole_lat pole_lon pole_dp pole_dm pole_reversed_perc description rock_magnetic_test Indian Head Anorthosite Outcrop 2260 i DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 This study Intrusive anorthosites Indian Head Anorthosite 48.5 48.5 301.5 301.5 North America Canada Newfoundland 864 899 Ma 0 311 -58.5 14 30 5 21 ND ND ND ND 8 337.5 15 20 0 Grenville age. AF cleaning 30mT, thermal to 650C. OP (MAGN, HEM?) , Js-T (CT 610-650C). M Steel Mountain Anorthosite Outcrop 2261 i DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 This study Intrusive anorthosites Steel Mountain Anorthosite 48.5 48.5 301.5 301.5 North America Canada Newfoundland 900 1100 Ma 0 163 32.5 13 22 7 28 ND ND ND ND 22.5 139 8 14 100 Grenville age. AF cleaning 20mT, thermal to 650C. OP (MAGN, HEM?) , Js-T (CT 610-650C). M >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era timescale_period description method_codes timescale_citations citations Indian Head Anorthosite 864 899 Ma Proterozoic Mesoproterozoic : Neoproterozoic Stenian : Tonian 40Ar/39Ar (h) : 879+/-15, 884+/-15; (b) : 797-850 Ma, REFNO 3675. GM-ARAR Gradstein et al. 2004 This study Steel Mountain Anorthosite 900 1100 Ma Proterozoic Mesoproterozoic : Neoproterozoic Stenian : Tonian GM-CC-STRAT Gradstein et al. 2004 This study