tab delimited contribution id version timestamp contributor data_model_version reference description 15528 2 2006-12-19T07:56:06.000Z @magic 3.0 10.1016/0012-821X(80)90109-0 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 Arden Pluton Outcrop 647 i DE-DI : LT-AF-Z:LP-DC3 This study Intrusive Anorthosite Arden Pluton 40 40 286.5 286.5 North America U.S.A. Northern Delaware 430 450 Ma 0 324.6 -75.2 13.6 32 5 44 ND ND ND ND -16.2 123.1 22.7 24.9 100 Within Wilmington Complex - high grade metamorphism at 440Ma. Subject to Taconic high grade metamorphism at 440Ma. . AF to 100mT. Some end points otherwise remagnet. cicles. . Magnetization metamorphic age at 440Ma. ND >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era timescale_period timescale_epoch description method_codes timescale_citations citations Arden Pluton 482 522 Ma Phanerozoic Paleozoic Cambrian : Ordovician Early Cambrian : Early Ordovician Rb-Sr wr isochron 502+/-20; mineral separates 440Ma. GM-RBSR Gradstein et al. 2004 This study