Sample MK85524

NavDat sample number 16084 · ANDESITE

Sample

Sample ID	MK85524
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.906
Longitude	-121.953
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	58.39		WT%	XRF
TIO2	1.36		WT%	XRF
AL2O3	16.76		WT%	XRF
FEOT	9.14		WT%	XRF
MNO	0.15		WT%	XRF
MGO	2.95		WT%	XRF
CAO	7.81		WT%	XRF
NA2O	2.79		WT%	XRF
K2O	0.38		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.