Sample MK98430

NavDat sample number 16288 · DIORITE

Sample

Sample ID	MK98430
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.4388
Longitude	-121.791
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
20		15	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	65.16		WT%	XRF
TIO2	0.73		WT%	XRF
AL2O3	16.97		WT%	XRF
FEOT	5.05		WT%	XRF
MNO	0.08		WT%	XRF
MGO	1.94		WT%	XRF
CAO	4.98		WT%	XRF
NA2O	3.86		WT%	XRF
K2O	1.05		WT%	XRF
P2O5	0.18		WT%	XRF
TOTAL	100.02		WT%	XRF

References

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