Sample 93CR-F27

NavDat sample number 59934 · BASALTIC-ANDESITE

Sample

Sample ID	93CR-F27
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.3258
Longitude	-122.882
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	53.47		WT%	XRF
TIO2	2.03		WT%	XRF
AL2O3	16.25		WT%	XRF
FEOT	9.82		WT%	XRF
MNO	0.17		WT%	XRF
MGO	4.25		WT%	XRF
CAO	9.02		WT%	XRF
NA2O	3.94		WT%	XRF
K2O	0.74		WT%	XRF
P2O5	0.32		WT%	XRF
TOTAL	99.44		WT%	XRF
LOI	1.8		WT%	XRF
BA	164		PPM	XRF
LA	-30		PPM	XRF
CE	39		PPM	XRF
RB	14		PPM	XRF
SR	375		PPM	XRF
Y	25		PPM	XRF
ZR	158		PPM	XRF
NB	12		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.