Sample CRS-414-b

NavDat sample number 7369 · DACITE

Sample

Sample ID	CRS-414-b
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	47.148
Longitude	-121.711
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25		23	27

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	65.35		WT%	XRF
TIO2	0.61		WT%	XRF
AL2O3	15.59		WT%	XRF
FEOT	4.77		WT%	XRF
MNO	0.07		WT%	XRF
MGO	2.96		WT%	XRF
CAO	4.07		WT%	XRF
NA2O	3.94		WT%	XRF
K2O	2.57		WT%	XRF
P2O5	0.09		WT%	XRF
TOTAL	103.14		WT%	XRF
LOI	2.8		WT%	XRF

References

Fischer, Joseph Fred (1970) The geology of the White River-Carbon Ridge area, Cedar Lake Quadrangle, Cascade Mountains, Washington.