Sample 93CR-F26

NavDat sample number 59933 · BASALTIC-ANDESITE

Sample

Sample ID	93CR-F26
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.3294
Longitude	-122.877
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
39		35.1	42.9

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.91		WT%	XRF
TIO2	2		WT%	XRF
AL2O3	16.04		WT%	XRF
FEOT	10.97		WT%	XRF
MNO	0.18		WT%	XRF
MGO	4.3		WT%	XRF
CAO	8.65		WT%	XRF
NA2O	3.88		WT%	XRF
K2O	0.77		WT%	XRF
P2O5	0.29		WT%	XRF
TOTAL	99.56		WT%	XRF
LOI	0.65		WT%	XRF
BA	164		PPM	XRF
LA	-30		PPM	XRF
CE	33		PPM	XRF
RB	14		PPM	XRF
SR	370		PPM	XRF
Y	28		PPM	XRF
ZR	156		PPM	XRF
NB	-10		PPM	XRF

References

du, Bray Edward A; John, David A; Sherrod, David R; Evarts, Russell C; Conrey, Richard M; Lexa, Jaroslav (2006) Geochemical database for volcanic rocks of the western Cascades, Washington, Oregon, and California. U. S. Geological Survey Data Series. 2006.