Sample R21

NavDat sample number 34922

Sample

Sample ID	R21
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	34.2137
Longitude	-109.61
State / province	Arizona
Volcanic field	Springerville

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
4		0.5	9

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	47.17		WT%	XRF
TIO2	1.89		WT%	XRF
AL2O3	15.28		WT%	XRF
FE2O3	11.95		WT%	XRF
MNO	0.2		WT%	XRF
MGO	10.99		WT%	XRF
CAO	9.32		WT%	XRF
NA2O	3.34		WT%	XRF
K2O	1.15		WT%	XRF
P2O5	0.59		WT%	XRF

References

Condit, Christopher D (1995) DDM-SVF; a prototype dynamic digital map of the Springerville volcanic field, Arizona. GSA Today, vol.5, no.4, pp.69, 87-88, Apr 1995