Sample BP1003842

NavDat sample number 16237 · BASALT

Sample

Sample ID	BP1003842
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	46.307
Longitude	-122.645
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
36		35	37

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	50		WT%	XRF
TIO2	1.5		WT%	XRF
AL2O3	16.56		WT%	XRF
FEOT	10.26		WT%	XRF
MNO	0.21		WT%	XRF
MGO	7.7		WT%	XRF
CAO	10.5		WT%	XRF
NA2O	2.61		WT%	XRF
K2O	0.4		WT%	XRF
P2O5	0.25		WT%	XRF
TOTAL	100		WT%	XRF

References

Phillips-William-M (compiler) (1987) Geologic map of the Mount St. Helens Quadrangle, Washington and Oregon. Open-File Report - Washington (State). Division of Geology and Earth Resources. 1987.