Sample BR-119

NavDat sample number 55405 · ANDESITE

Sample

Sample ID	BR-119
Rock name	ANDESITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	44.2428
Longitude	-122.201
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
22		11	33

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.38		WT%	XRF
TIO2	1.2		WT%	XRF
AL2O3	17.73		WT%	XRF
FEOT	7.22		WT%	XRF
MNO	0.14		WT%	XRF
MGO	3.3		WT%	XRF
CAO	7.72		WT%	XRF
NA2O	4.04		WT%	XRF
K2O	1.03		WT%	XRF
P2O5	0.24		WT%	XRF
TOTAL	99.85		WT%	XRF
LOI	1.47		WT%	XRF

References

Priest, George R; Black, Gerald L; Woller, Neil M; Taylor, Edward M (1988) Geologic map of the McKenzie Bridge Quadrangle, Lane County, Oregon. Geological Map Series (Portland). 48; 1988.