Sample IM-40A

NavDat sample number 90804 · BASALT

Sample

Sample ID	IM-40A
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	MacDonald and others
Comment	Pillow basalt

Location

Latitude	47.4076
Longitude	-120.69
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
192.1		188.8	192.4

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	51.81		WT%	XRF
AL2O3	14.83		WT%	XRF
TIO2	3.26		WT%	XRF
FEOT	11.68		WT%	XRF
MNO	0.12		WT%	XRF
MGO	3.53		WT%	XRF
CAO	8.55		WT%	XRF
NA2O	4.8		WT%	XRF
K2O	0.98		WT%	XRF
P2O5	0.43		WT%	XRF
LOI	3.09		WT%	XRF
BA	108		PPM	XRF
RB	30		PPM	XRF
SR	195		PPM	XRF
Y	43		PPM	XRF
ZR	197		PPM	XRF
NB	23		PPM	XRF
TH	3		PPM	XRF
PB	2		PPM	XRF
GA	20		PPM	XRF
ZN	144		PPM	XRF
CU	57		PPM	XRF
NI	34		PPM	XRF
V	314		PPM	XRF
CR	59		PPM	XRF
SC	32		PPM	XRF
LA	9		PPM	XRF
CE	53		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)