tab delimited	contribution
id	version	timestamp	contributor	data_model_version	reference	description
12769	2	2006-12-22T06:22:30.000Z	@magic	3.0	10.1016/0012-821X(73)90064-2	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_reversed_perc	description	rock_magnetic_test
Cardenas Lavas and Sandstone, Grand Canyon	Outcrop	2591	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	 Sedimentary:Extrusive 	 Redbeds:lavas 	Colorado Plateau	Cardenas	36.1	36.1	248.2	248.2	North America	U.S.A.	Arizona	1020	1160	Ma	100	253.5	38.9	6.9	49.8	10	28	ND	ND	ND	ND	0.4	185.4	4.9	8.2	0	Upper part of Unkar Group. Strike 200, Dip 15W. Thermal cleaning to 700C, AF to 500mT.	ND
Cardenas Lavas, Weathered Zone, Grand Canyon	Outcrop	2590	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	Extrusive	Extrusives	Colorado Plateau	Cardenas	36.1	36.1	248.2	248.2	North America	U.S.A.	Arizona	1020	1160	Ma	100	306.6	65.7	8.6	79.4	5		ND	ND	ND	ND	49.4	192.2	11.4	14.1	0	Upper part of Unkar Group. Strike 200, Dip 15W. Thermal cleaning to 700C, AF to 500mT.	ND
Nankoweap Formation	Outcrop	2589	i	 DE-DI : LT-AF-Z : LT-T-Z:LP-DC3 	This study	Sedimentary	Redbeds	Colorado Plateau	Nankoweap Formation	36.1	36.1	248.2	248.2	North America	U.S.A.	Arizona	900	1100	Ma	100	270.9	36.6	6.6	105		6	ND	ND	ND	ND	12.5	174.4	4.5	7.7	0	Grand Canyon Series, overlies Unkar Group. Strike 200, Dip 15W. Thermal cleaning to 700C.	ND
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tab delimited	ages
location	age_low	age_high	age_unit	timescale_eon	timescale_era	timescale_period	description	method_codes	timescale_citations	citations
Cardenas Lavas and Sandstone, Grand Canyon	1020	1160	Ma	Proterozoic	Mesoproterozoic	Stenian	Rb-Sr age 1090+/-70 Ma; K-Ar 835+/-15 Ma.	GM-RBSR	Gradstein et al. 2004	This study
Cardenas Lavas, Weathered Zone, Grand Canyon	1020	1160	Ma	Proterozoic	Mesoproterozoic	Stenian	Rb-Sr age 1090+/-70 Ma; K-Ar 835+/-15 Ma.	GM-RBSR	Gradstein et al. 2004	This study
Nankoweap Formation	900	1100	Ma	Proterozoic	Mesoproterozoic : Neoproterozoic	Stenian : Tonian		GM-CC-STRAT	Gradstein et al. 2004	This study