Sample 67

NavDat sample number 17279 · ANDESITE

Sample

Sample ID	67
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.926
Longitude	-121.059
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
26		24	28

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	62.45		WT%	XRF
TIO2	0.71		WT%	XRF
AL2O3	18.08		WT%	XRF
FEOT	5.22		WT%	XRF
MNO	0.07		WT%	XRF
MGO	1.52		WT%	XRF
CAO	5.86		WT%	XRF
NA2O	3.6		WT%	XRF
K2O	2.24		WT%	XRF
P2O5	0.25		WT%	XRF
TOTAL	100.01		WT%	XRF

References

Carkin, Brad A (1988) The geology and petrology of the Fifes Peak Formation in the Cliffdell area, central Cascades, Washington.