Sample 85SH-V102

NavDat sample number 59919 · DACITE

Sample

Sample ID	85SH-V102
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	46.2119
Longitude	-122.044
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25		22.5	27.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	66.84		WT%	XRF
TIO2	0.91		WT%	XRF
AL2O3	14.84		WT%	XRF
FEOT	5.9		WT%	XRF
MNO	0.11		WT%	XRF
MGO	1.18		WT%	XRF
CAO	3.35		WT%	XRF
NA2O	4.64		WT%	XRF
K2O	1.96		WT%	XRF
P2O5	0.28		WT%	XRF
TOTAL	99.83		WT%	XRF
LOI	1.75		WT%	XRF
BA	420		PPM	XRF
LA	40		PPM	XRF
CE	56		PPM	XRF
RB	48		PPM	XRF
SR	215		PPM	XRF
Y	48		PPM	XRF
ZR	280		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.