tab delimited contribution id version timestamp contributor data_model_version reference description 13368 2 2006-12-19T09:28:36.000Z @magic 3.0 10.1029/GL008i008p00880 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 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 Neda Iron Ore Outcrop 1214 i DE-DI : LT-AF-Z : LT-CHEM : LT-T-Z:LP-DC3 This study Metamorphic:Sedimentary ironore 42.6 42.6 271.1 271.1 North America U.S.A. Wisconsin : Iowa : Illinois 271 318 Ma 0 152 -12 16 200 3 25 ND ND ND ND 45.4 132 8 16 100 Hematite-goethite rich oolitic ore. Overlies Marquette Shale. AF 100mT, chemical 300 hrs, thermal to 700C. Thermal cleaning. . Late Paleozoic remagnetization proposed. . ND >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era timescale_period timescale_epoch method_codes timescale_citations citations Neda Iron Ore 444 461 Ma Phanerozoic Paleozoic Ordovician Late Ordovician GM-CC-STRAT Gradstein et al. 2004 This study