Sample MK8552A

NavDat sample number 16094 · DIORITE

Sample

Sample ID	MK8552A
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.705
Longitude	-121.73
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
14.55		5.3	23.8	Miocene

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	66.78		WT%	XRF
TIO2	0.5		WT%	XRF
AL2O3	17.29		WT%	XRF
FEOT	4.08		WT%	XRF
MNO	0.08		WT%	XRF
MGO	1.58		WT%	XRF
CAO	5.11		WT%	XRF
NA2O	3.31		WT%	XRF
K2O	1.1		WT%	XRF
P2O5	0.16		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.