tab delimited contribution id version timestamp contributor data_model_version reference description 14672 2 2007-01-18T07:20:18.000Z @magic 3.0 10.1111/j.1365-246X.1963.tb05551.x 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 Great Dyke 2 Outcrop 3580 i DE-DI : LT-AF-Z:LP-DC3 This study Intrusive Dolerite:Gabbro Great Dyke -18.5 -18.5 30.3 30.3 Africa Zimbabwe Zimbabwe 2576 2582 Ma 0 218.5 -58.5 6 68 9 90 ND ND ND ND 21.5 61.5 6.5 9 0 Extent 320 km. Superseded study. AF cleaning 15 to 60mT. Data included in RESULTNO 2362. Superseded study. ND >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era description method_codes timescale_citations citations Great Dyke 2 2576 2582 Ma Archean Neoarchean U-Pb age 2579+/-3 Ma, see REFNO 3338. GM-UPB Gradstein et al. 2004 This study