Sample BP0117855A

NavDat sample number 16242 · BASALT

Sample

Sample ID	BP0117855A
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	46.262
Longitude	-122.878
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	49.79		WT%	XRF
TIO2	1.87		WT%	XRF
AL2O3	16.5		WT%	XRF
FEOT	11.15		WT%	XRF
MNO	0.17		WT%	XRF
MGO	5.26		WT%	XRF
CAO	12.19		WT%	XRF
NA2O	2.69		WT%	XRF
K2O	0.18		WT%	XRF
P2O5	0.2		WT%	XRF
TOTAL	99.99		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.