tab delimited contribution id version timestamp contributor data_model_version reference description 15212 2 2006-12-29T09:17:21.000Z @magic 3.0 10.1038/179685a0 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 Siletz River Volcanics Outcrop 3722 i DE-DI : LT-T-Z:LP-DC2 This study Extrusive Extrusives Siletz River Volcanics 44.8 44.8 236.5 236.5 North America U.S.A. Oregon 42 56 Ma 100 70 55 7 50 8 57 Fo ND ND Ro 37 310 7 10 63 Early Middle to Early Eocene. Extent 50 km. Superseded study. Thermal cleaning 225C. Superseded study. Scatter decreases on unfolding. ND >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era timescale_period timescale_epoch method_codes timescale_citations citations Siletz River Volcanics 42 56 Ma Phanerozoic Cenozoic Paleogene Eocene GM-CC-STRAT Gradstein et al. 2004 This study