Sample MK85611

NavDat sample number 16319 · DACITE

Sample

Sample ID	MK85611
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	46.514
Longitude	-122.184
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
32		28	36

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	63.51		WT%	XRF
TIO2	1.1		WT%	XRF
AL2O3	19.11		WT%	XRF
FEOT	3.7		WT%	XRF
MNO	0.12		WT%	XRF
MGO	1.08		WT%	XRF
CAO	6.76		WT%	XRF
NA2O	3.79		WT%	XRF
K2O	0.57		WT%	XRF
P2O5	0.24		WT%	XRF
TOTAL	100.02		WT%	XRF

References

Schasse-Henry-William (compiler) (1987) Geologic map of the Centralia Quadrangle, Washington. Open-File Report - Washington (State). Division of Geology and Earth Resources. 1987.