Sample HC-189

NavDat sample number 55406 · DACITE

Sample

Sample ID	HC-189
Rock name	DACITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.0797
Longitude	-122.085
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
22		11	33

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	67.81		WT%	XRF
TIO2	0.71		WT%	XRF
AL2O3	16.09		WT%	XRF
FEOT	3.26		WT%	XRF
MNO	0.09		WT%	XRF
MGO	0.85		WT%	XRF
CAO	2.54		WT%	XRF
NA2O	5.74		WT%	XRF
K2O	2.74		WT%	XRF
P2O5	0.18		WT%	XRF
TOTAL	99.2		WT%	XRF
LOI	0.62		WT%	XRF

References

Priest, George R; Black, Gerald L; Woller, Neil M; Taylor, Edward M (1988) Geologic map of the McKenzie Bridge Quadrangle, Lane County, Oregon. Geological Map Series (Portland). 48; 1988.