Sample PHA93651

NavDat sample number 43509 · BASALT

Sample

Sample ID	PHA93651
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	Basalt of Member F

Location

Latitude	44.9372
Longitude	-120.428
State / province	Oregon
Formation	John Day Formation

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
24.8		16	33.6

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	45.96		WT%	XRF
AL2O3	14.74		WT%	XRF
TIO2	4.329		WT%	XRF
FEO	15.07		WT%	XRF
MNO	0.212		WT%	XRF
CAO	7.48		WT%	XRF
MGO	5.1		WT%	XRF
K2O	1.19		WT%	XRF
NA2O	4.23		WT%	XRF
P2O5	0.8		WT%	XRF
TOTAL	99.11		WT%	XRF
NI	24		PPM	XRF
CR	34		PPM	XRF
SC	25		PPM	XRF
V	217		PPM	XRF
BA	254		PPM	XRF
RB	16		PPM	XRF
SR	435		PPM	XRF
ZR	277		PPM	XRF
Y	37		PPM	XRF
NB	35.4		PPM	XRF
GA	26		PPM	XRF
TH	2		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