tab delimited contribution id version timestamp contributor data_model_version reference description 12304 2 2006-12-19T12:07:58.000Z @magic 3.0 10.1190/1.1438469 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 Clinton iron ore Outcrop 3761 i DE-DI : LT-NO:LP-DC0 This study Metamorphic:Sedimentary ironores Clinton iron ore 33.6 33.6 273.3 273.3 North America U.S.A. Alabama 423 428 Ma 0 143 19 12 107 1 7 ND ND ND ND 34 139 7 12 100 Superseded study. Old Result. Superseded study. ND Hazel Formation Outcrop 3769 i DE-DI : LT-NO:LP-DC0 This study Sedimentary sediments Hazel Formation 31 31 255 255 North America U.S.A. Texas 650 1600 Ma 0 316 56 6 35 5 15 F- ND ND ND 53 187 7 9 0 Superseded study. Flat lying beds, magnetization post folding unknown age. Old Result. Superseded study. Unfolding data from 9 folded sites greatly increas. ND >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era timescale_period timescale_epoch method_codes timescale_citations citations Clinton iron ore 423 428 Ma Phanerozoic Paleozoic Silurian Wenlock GM-CC-STRAT Gradstein et al. 2004 This study Hazel Formation 650 1600 Ma Proterozoic Mesoproterozoic : Neoproterozoic Calymmian : Cryogenian GM-CC-STRAT Gradstein et al. 2004 This study