Sample 13

NavDat sample number 12578 · BASALTIC-ANDESITE

Sample

Sample ID	13
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.742
Longitude	-121.839
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
15.7		25	27

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.54		WT%	XRF
TIO2	1.51		WT%	XRF
AL2O3	17.79		WT%	XRF
FEOT	8.89		WT%	XRF
MNO	0.18		WT%	XRF
MGO	3.52		WT%	XRF
CAO	8.26		WT%	XRF
NA2O	4.03		WT%	XRF
K2O	0.98		WT%	XRF
P2O5	0.29		WT%	XRF
TOTAL	100.01		WT%	XRF

References

Berri, Dulcy A; Korosec, Michael A (1983) Geological and geothermal investigation of the lower Wind River valley, southwestern Washington Cascade Range. Open-File Report - Washington (State). Division of Geology and Earth Resources. 83-5; 1983.