Sample AME-3

NavDat sample number 51528 · ANDESITE

Sample

Sample ID	AME-3
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	20.6975
Longitude	-104.24
Location	Mexico
State / province	Jalisco

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
3.92		3.98	3.86

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.2		WT%	ICPMS
TIO2	0.93		WT%	ICPMS
AL2O3	18.4		WT%	ICPMS
FE2O3T	7.09		WT%	ICPMS
MNO	0.11		WT%	ICPMS
MGO	3.5		WT%	ICPMS
CAO	6.86		WT%	ICPMS
NA2O	4.11		WT%	ICPMS
K2O	1.53		WT%	ICPMS
P2O5	0.26		WT%	ICPMS
TOTAL	100		WT%	ICPMS
LOI	0.81		WT%	ICPMS
BA	766		PPM	ICPMS
SR	952		PPM	ICPMS
Y	19		PPM	ICPMS
ZR	113		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