Sample BX-136

NavDat sample number 7233 · ANDESITE

Sample

Sample ID	BX-136
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	44.7914
Longitude	-122.162
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
10		10	11

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.57		WT%	XRF
TIO2	0.92		WT%	XRF
AL2O3	17.09		WT%	XRF
FEOT	5.83		WT%	XRF
MNO	0.09		WT%	XRF
MGO	3.53		WT%	XRF
CAO	6.71		WT%	XRF
NA2O	4.07		WT%	XRF
K2O	1.84		WT%	XRF
P2O5	0.37		WT%	XRF
TOTAL	98.01		WT%	XRF
LOI	1.75		WT%	XRF

References

White, Craig McKibben (1980) Geology and geochemistry of volcanic rocks in the Detroit area, western Cascade Range, Oregon.