Sample AME-2

NavDat sample number 51543 · TUFF

Sample

Sample ID	AME-2
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	Silicic

Location

Latitude	20.6062
Longitude	-104.045
Location	Mexico
State / province	Jalisco

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
31.9		31.8	32

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	71.6		WT%	ICPMS
TIO2	0.35		WT%	ICPMS
AL2O3	15.2		WT%	ICPMS
FE2O3T	2.45		WT%	ICPMS
MNO	0.06		WT%	ICPMS
MGO	0.75		WT%	ICPMS
CAO	2.58		WT%	ICPMS
NA2O	4.46		WT%	ICPMS
K2O	2.4		WT%	ICPMS
P2O5	0.15		WT%	ICPMS
TOTAL	100		WT%	ICPMS
LOI	3.46		WT%	ICPMS
BA	383		PPM	ICPMS
SR	228		PPM	ICPMS
Y	8		PPM	ICPMS
ZR	161		PPM	ICPMS

References

Frey, Holli M; Lange, Rebecca A; Hall, Chris M; Delgado-Granados,Hugo; Carmichael, Ian S E (2007) A Pliocene ignimbrite flare-up along the Tepic-Zacoalco Rift; evidencefor the initial stages of rifting between the Jalisco Block (Mexico)and North America. Geological Society of America Bulletin, vol.119, no.1-2, pp.49-64, Jan2007 doi:10.1130/B25950.1