Sample MK85532

NavDat sample number 16093 · ANDESITE

Sample

Sample ID	MK85532
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.927
Longitude	-121.978
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
29		26	32

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	64.65		WT%	XRF
TIO2	0.77		WT%	XRF
AL2O3	16.5		WT%	XRF
FEOT	7.37		WT%	XRF
MNO	0.13		WT%	XRF
MGO	1.29		WT%	XRF
CAO	4.31		WT%	XRF
NA2O	2.46		WT%	XRF
K2O	2.27		WT%	XRF
P2O5	0.25		WT%	XRF
TOTAL	100		WT%	XRF

References

Korosec-Michael-A (compiler) (1987) Geologic map of the Hood River Quadrangle, Washington and Oregon. Open-File Report - Washington (State). Division of Geology and Earth Resources. 1987.