Sample 93CR-F25

NavDat sample number 59932 · BASALTIC-ANDESITE

Sample

Sample ID	93CR-F25
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2527
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	56.19		WT%	XRF
TIO2	2.04		WT%	XRF
AL2O3	15.76		WT%	XRF
FEOT	9.86		WT%	XRF
MNO	0.14		WT%	XRF
MGO	3.6		WT%	XRF
CAO	6.62		WT%	XRF
NA2O	4.31		WT%	XRF
K2O	1.13		WT%	XRF
P2O5	0.35		WT%	XRF
TOTAL	99.6		WT%	XRF
LOI	1.52		WT%	XRF
BA	230		PPM	XRF
LA	-30		PPM	XRF
CE	51		PPM	XRF
RB	25		PPM	XRF
SR	365		PPM	XRF
Y	28		PPM	XRF
ZR	210		PPM	XRF
NB	20		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.