tab delimited contribution id version timestamp contributor data_model_version reference description 12052 2 2006-12-22T02:47:25.000Z @magic 3.0 10.1016/j.precamres.2004.01.003 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_sites dir_n_samples fold_test conglomerate_test contact_test reversal_test pole_lat pole_lon pole_dp pole_dm pole_comp_name pole_reversed_perc description rock_magnetic_test Barberton Komatiites Outcrop 9140 i DE-DI : LT-T-Z:LP-DC4 This study Intrusive komatiites Kaapvaal Barberton Komatiites -25.99 -25.99 30.86 30.86 Africa South Africa South Africa 3450 3490 Ma 100 348.8 14.8 14.8 17.6 7 46 ND ND ND ND 54.8 11.4 7.8 15.2 High-T 0 Strikes 272-280, dips 60-88. High-T. Thermal, characteristic component 570-590C. OP, HYST, Js-T (MAGN). Pre-folding remanence suggested by rock magnetic study. M Barberton Komatiites Outcrop 9140 i DE-DI : LT-T-Z:LP-DC4 This study Intrusive komatiites Kaapvaal Barberton Komatiites -25.99 -25.99 30.86 30.86 Africa South Africa South Africa 3450 3490 Ma 0 272.3 72.6 12 26.3 7 ND ND ND ND 54.8 11.4 7.8 15.2 High-T 0 Strikes 272-280, dips 60-88. High-T. Thermal, characteristic component 570-590C. OP, HYST, Js-T (MAGN). Pre-folding remanence suggested by rock magnetic study. M Belingwe Komatiites Outcrop 9141 i DE-DI : LT-T-Z:LP-DC4 This study Intrusive komatiites Belingwe Komatiites -25.45 -25.45 30 30 Africa Zimbabwe Zimbabwe 2683 2701 Ma 100 228.8 35.3 19.4 16.4 5 40 F+ ND ND ND 44.8 122.8 12.9 22.4 Int-T 0 Dips 72-82 degrees, opposite strikes. Middle-T. Thermal, characteristic component 400-580C. OP, HYST, Js-T (MAGN). M >>>>>>>>>> tab delimited ages location age_low age_high age_unit timescale_eon timescale_era description method_codes timescale_citations citations Barberton Komatiites 3450 3490 Ma Archean Paleoarchean U-Pb: 3458+/-2; 3472+/-5 Ma; 40Ar/39Ar: 3486+/-8 Ma. GM-UPB:GM-ARAR Gradstein et al. 2004 This study Belingwe Komatiites 2683 2701 Ma Archean Neoarchean Pb-Pb age 2692+/-9 Ma. GM-PBPB Gradstein et al. 2004 This study