tab delimited contribution id version timestamp contributor data_model_version reference description 14428 2 2006-12-19T08:25:32.000Z @magic 3.0 10.1016/0031-9201(86)90017-8 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 terranes 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_samples fold_test conglomerate_test contact_test reversal_test pole_lat pole_lon pole_dp pole_dm pole_reversed_perc description rock_magnetic_test Peerless Formation Outcrop 871 i DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 This study Sedimentary glauconitic dolomiticsandstone Colorado Plateau Peerless Formation 38.9 38.9 255.1 255.1 North America U.S.A. Colorado 271 318 Ma 0 138.5 -11.3 4.1 17.6 69 ND ND ND ND 40 134.5 2.1 4.2 100 Franconian to Trempealeauan. Dips to South. High temperature, high coercivity component. IRM (no sat. 0. 7T) , SEM (authigenic HEM). Secondary magnetization CU-PL, CRM due to hematite. M >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era timescale_period timescale_epoch method_codes timescale_citations citations Peerless Formation 472 501 Ma Phanerozoic Paleozoic Cambrian : Ordovician Furongian : Early Ordovician GM-CC-STRAT Gradstein et al. 2004 This study