tab delimited	contribution
id	version	timestamp	contributor	data_model_version	reference	description
12224	2	2006-12-19T08:30:51.000Z	@magic	3.0	10.1016/0301-9268(87)90005-2	Upgraded to MagIC Data Model 3.0 by the MagIC Database Team
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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
Tamil Nadu Dykes, Group A	Outcrop	940	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	Intrusive	Dolerite	India	Tamil Nadu dykes	12.1	12.1	79.8	79.8	Asia	India	India	1600	2100	Ma	0	86	-35	5	400	2	26	ND	ND	ND	ND	-1	189	3	6	A	0	Dykes cut basement rocks, probably pre-Cuddapah age. Group A. AF to 100mT, thermal to 630C. OP (MAGN, PYRR, MAGN + ILM lam. ).	M
Tamil Nadu Dykes, Group B	Outcrop	941	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	Intrusive	Dolerite	India	Tamil Nadu dykes	11.6	11.6	78.5	78.5	Asia	India	India	1600	2100	Ma	0	33	-48	18	21	3	24	ND	ND	ND	ND	38	220	15	23	B	0	Dykes cut basement rocks, probably pre-Cuddapah age. Group B. AF to 100mT, thermal to 630C. OP (MAGN, MAGN + ILM lam, PYRR).	M
Tamil Nadu Dykes, Group C	Outcrop	942	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	Intrusive	Dolerite	India	Tamil Nadu dykes	12.1	12.1	79	79	Asia	India	India	1600	2100	Ma	0	133	-75	6	134	4	33	ND	ND	ND	ND	31	54	10	11	C	0	Dykes cut basement rocks, probably pre-Cuddapah age. Group C. AF to 100mT, thermal to 630C. OP (MAGN, MAGN + ILM lam, PYRR).	M
Tamil Nadu Dykes, Group D	Outcrop	943	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	Intrusive	Dolerite	India	Tamil Nadu dykes	12.1	12.1	79.1	79.1	Asia	India	India	1600	2100	Ma	0	294	-52	23	18	1	7	ND	ND	ND	ND	13	311	22	32	D	0	Dykes cut basement rocks, probably pre-Cuddapah age. Group D. AF to 100mT, thermal to 630C. OP (MAGN, MAGN + ILM lam, PYRR).	M
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tab delimited	ages
location	age_low	age_high	age_unit	timescale_eon	timescale_era	timescale_period	method_codes	timescale_citations	citations
Tamil Nadu Dykes, Group A	1600	2100	Ma	Proterozoic	Paleoproterozoic	Rhyacian : Statherian	GM-PMAG-APWP	Gradstein et al. 2004	This study
Tamil Nadu Dykes, Group B	1600	2100	Ma	Proterozoic	Paleoproterozoic	Rhyacian : Statherian	GM-PMAG-APWP	Gradstein et al. 2004	This study
Tamil Nadu Dykes, Group C	1600	2100	Ma	Proterozoic	Paleoproterozoic	Rhyacian : Statherian	GM-PMAG-APWP	Gradstein et al. 2004	This study
Tamil Nadu Dykes, Group D	1600	2100	Ma	Proterozoic	Paleoproterozoic	Rhyacian : Statherian	GM-PMAG-APWP	Gradstein et al. 2004	This study