Sample PHA93653

NavDat sample number 43506 · TUFF

Sample

Sample ID	PHA93653
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	Tuff in Claystone of Red Hill

Location

Latitude	44.9231
Longitude	-120.431
State / province	Oregon
Formation	Clarno Formation

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
43.7		43.1	44.3

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	63.28		WT%	XRF
AL2O3	16.25		WT%	XRF
TIO2	1.11		WT%	XRF
FEO	5.8		WT%	XRF
MNO	0.034		WT%	XRF
CAO	2.47		WT%	XRF
MGO	1.23		WT%	XRF
K2O	0.55		WT%	XRF
NA2O	1.44		WT%	XRF
P2O5	0.127		WT%	XRF
TOTAL	92.29		WT%	XRF
NI	20		PPM	XRF
CR	40		PPM	XRF
SC	17		PPM	XRF
V	209		PPM	XRF
BA	294		PPM	XRF
RB	37		PPM	XRF
SR	409		PPM	XRF
ZR	293		PPM	XRF
Y	31		PPM	XRF
NB	26.4		PPM	XRF
GA	21		PPM	XRF
TH	8		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