Sample IO-15

NavDat sample number 90822 · BASALT

Sample

Sample ID	IO-15
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	MacDonald and others
Comment	Pillow basalt

Location

Latitude	47.4261
Longitude	-120.641
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
161		160	162

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.51		WT%	XRF
AL2O3	16.2		WT%	XRF
TIO2	1.39		WT%	XRF
FEOT	8.92		WT%	XRF
MNO	0.18		WT%	XRF
MGO	4.74		WT%	XRF
CAO	11.36		WT%	XRF
NA2O	4.51		WT%	XRF
K2O	0.06		WT%	XRF
P2O5	0.13		WT%	XRF
LOI	4.5		WT%	XRF
BA	34		PPM	XRF
RB	2		PPM	XRF
SR	81		PPM	XRF
Y	33		PPM	XRF
ZR	86		PPM	XRF
NB	2.5		PPM	XRF
GA	17		PPM	XRF
ZN	72		PPM	XRF
CU	67		PPM	XRF
NI	48		PPM	XRF
V	299		PPM	XRF
CR	122		PPM	XRF
SC	34		PPM	XRF
LA	2		PPM	XRF
CE	23		PPM	XRF

References

MacDonald, James H, Jr; Harper, Gregory D; Miller, Robert B; Miller,Jonathan S; Mlinarevic, Ante N; Schultz, Cynthia E (2008) The Ingalls ophiolite complex, central Cascades, Washington;geochemistry, tectonic setting, and regional correlations. Special Paper - Geological Society of America, vol. 438, pp.133-159,2008 doi:10.1130/2008.2438(04)