Sample 87-10

NavDat sample number 21562 · ANDESITE

Sample

Age (Ma)	Error	Min	Max	Geologic age	Dated by
45		40	51

Item	Value	Unit	Method
SIO2	55.08	WT%	XRF
TIO2	0.69	WT%	XRF
AL2O3	13.06	WT%	XRF
FE2O3T	7.5	WT%	XRF
MNO	0.11	WT%	XRF
MGO	5.61	WT%	XRF
CAO	8.15	WT%	XRF
NA2O	2.45	WT%	XRF
K2O	3.37	WT%	XRF
P2O5	0.36	WT%	XRF
LOI	4.13	WT%	XRF
TOTAL	100.51	WT%	XRF
RB	105	PPM	XRF
SR	669	PPM	XRF
BA	1420	PPM	XRF
Y	16	PPM	XRF
ZR	176	PPM	XRF
V	130	PPM	XRF
NI	135	PPM	XRF
CR	367	PPM	XRF
LA	43.4	PPM	MS
CE	84.5	PPM	MS
PR	8.79	PPM	MS
ND	33.8	PPM	MS
SM	5.91	PPM	MS
EU	1.4	PPM	MS
GD	4.22	PPM	MS
HO	0.56	PPM	MS
ER	1.37	PPM	MS
YB	1.17	PPM	MS
U	3.61	PPM	MS
TH	15.1	PPM	MS
PB	19	PPM	MS
NB	15.6	PPM	MS
HF	3.7	PPM	MS
CS	1.8	PPM	MS
W	1.9	PPM	MS
MO	1.8	PPM	MS
PB206_PB204	18.338		TIMS
PB207_PB204	15.591		TIMS
PB208_PB204	38.835		TIMS