Sample 1097

NavDat sample number 19781 · BASALTIC-ANDESITE

Sample

Sample ID	1097
Alternate ID	AXB-510
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Calc_alkaline

Location

Latitude	43.1275
Longitude	-117.051
State / province	Oregon
Elevation	1396
Location comment	Basalt of Spring Mountain

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
13.8		11.2	16.4	middle Miocene

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	56.81		WT%	XRF
AL2O3	16.9		WT%	XRF
TIO2	1.12		WT%	XRF
FEOT	7.31		WT%	XRF
MNO	0.17		WT%	XRF
CAO	7.5		WT%	XRF
MGO	4.26		WT%	XRF
K2O	1.83		WT%	XRF
NA2O	3.51		WT%	XRF
P2O5	0.59		WT%	XRF
LOI	2.31		WT%	XRF
TOTAL	99.8		WT%	XRF
CR	86		PPM	ICP
BA	684		PPM	ICP
RB	54		PPM	ICP
SR	650		PPM	ICP
ZR	217		PPM	ICP
Y	32		PPM	ICP
NB	25		PPM	ICP

References

Macleod, Norman S (1990) Geology and mineral resources of the Sheaville Quadrangle, Malheur County, Oregon, and Owyhee County, Idaho. Geological Map Series (Portland). 1990.