Sample 187A

NavDat sample number 11349 · DACITE

Sample

Age (Ma)	Error	Min	Max	Geologic age	Dated by
43.6		41.4	46.6

Item	Value	Unit	Method
SIO2	73.51	WT%	XRF
AL2O3	11.98	WT%	XRF
FE2O3	1.88	WT%	XRF
FEO	0.05	WT%	TIT
CAO	2.1	WT%	XRF
MGO	0.46	WT%	XRF
NA2O	3.38	WT%	XRF
K2O	3.04	WT%	XRF
TIO2	0.27	WT%	XRF
MNO	0.07	WT%	XRF
P2O5	0.5	WT%	XRF
H2O	4.37	WT%	PENFIELD
TOTAL	101.61	WT%	XRF
RB	83	PPM	XRF
SR	794	PPM	XRF
Y	33	PPM	XRF
ZR	242	PPM	XRF
LA	40	PPM	XRF