Sample PHA93609

NavDat sample number 43505 · TUFF

Sample

Sample ID	PHA93609
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	White Tuff below Nut Beds

Location

Latitude	44.9222
Longitude	-120.43
State / province	Oregon
Formation	Clarno Formation

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
44.8		43.7	45.9

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	79.47		WT%	XRF
AL2O3	10.01		WT%	XRF
TIO2	0.042		WT%	XRF
FEO	1.59		WT%	XRF
MNO	0.012		WT%	XRF
CAO	0.92		WT%	XRF
MGO	1.15		WT%	XRF
K2O	1.37		WT%	XRF
NA2O	1.54		WT%	XRF
P2O5	0.011		WT%	XRF
TOTAL	96.12		WT%	XRF
NI	12		PPM	XRF
CR	1		PPM	XRF
SC	2		PPM	XRF
V	0		PPM	XRF
BA	364		PPM	XRF
RB	47		PPM	XRF
SR	180		PPM	XRF
ZR	58		PPM	XRF
Y	13		PPM	XRF
NB	8.3		PPM	XRF
GA	12		PPM	XRF
TH	5		PPM	XRF

References

Bestland, E A; Hammond, P E; Blackwell, D L S; Keys, M A; Retallack, GJ; Stimac, J (2002) Geologic framework of the Clarno Unit, John Day Fossil Beds NationalMonument, central Oregon. Open File Report - State of Oregon, Department of Geology and MineralIndustries, Report: O-02-03, 1 disc, 2002