tab delimited	contribution
id	version	timestamp	contributor	data_model_version	reference	description
12190	2	2007-01-18T10:22:44.000Z	@magic	3.0	10.1016/0031-9201(77)90098-X	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	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_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
Quebec Group Volcanics	Outcrop	2309	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	Extrusive	Andesite	Quebec Group Volcanics	46	46	287.5	287.5	North America	Canada	Quebec	461	472	Ma	100	92	15	19	7	24	ND	ND	ND	Ro	-6	191	10.7	20.4	28	Thermal cleaning 300-550C.	ND
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tab delimited	ages
location	age_low	age_high	age_unit	timescale_eon	timescale_era	timescale_period	timescale_epoch	description	method_codes	timescale_citations	citations
Quebec Group Volcanics	461	472	Ma	Phanerozoic	Paleozoic	Ordovician	Middle Ordovician	K-Ar ages 376+/-25, 450+/-30 Ma.	GM-CC-STRAT	Gradstein et al. 2004	This study