Sample PHA93612

NavDat sample number 43502 · TUFF

Sample

Sample ID	PHA93612
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	White Fern-Leaf Tuff

Location

Latitude	44.9242
Longitude	-120.418
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	75.43		WT%	XRF
AL2O3	13.04		WT%	XRF
TIO2	0.337		WT%	XRF
FEO	1.06		WT%	XRF
MNO	0.016		WT%	XRF
CAO	1.57		WT%	XRF
MGO	0.08		WT%	XRF
K2O	3.75		WT%	XRF
NA2O	3.16		WT%	XRF
P2O5	0.107		WT%	XRF
TOTAL	98.55		WT%	XRF
NI	10		PPM	XRF
CR	7		PPM	XRF
SC	5		PPM	XRF
V	46		PPM	XRF
BA	1089		PPM	XRF
RB	87		PPM	XRF
SR	206		PPM	XRF
ZR	136		PPM	XRF
Y	12		PPM	XRF
NB	7.1		PPM	XRF
GA	10		PPM	XRF
TH	6		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