Sample 87-15

NavDat sample number 21567 · ANDESITE

Sample

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

Item	Value	Unit	Method
SIO2	55.25	WT%	XRF
TIO2	0.71	WT%	XRF
AL2O3	12.93	WT%	XRF
FE2O3T	7.88	WT%	XRF
MNO	0.13	WT%	XRF
MGO	7.1	WT%	XRF
CAO	6.98	WT%	XRF
NA2O	2.54	WT%	XRF
K2O	3.43	WT%	XRF
P2O5	0.35	WT%	XRF
LOI	2.57	WT%	XRF
TOTAL	99.87	WT%	XRF
RB	112	PPM	XRF
SR	673	PPM	XRF
BA	1536	PPM	XRF
Y	11	PPM	XRF
ZR	173	PPM	XRF
V	143	PPM	XRF
NI	156	PPM	XRF
CR	398	PPM	XRF
LA	42.1	PPM	MS
CE	76.9	PPM	MS
PR	7.85	PPM	MS
ND	31.9	PPM	MS
SM	5.99	PPM	MS
EU	1.45	PPM	MS
GD	4.8	PPM	MS
HO	0.68	PPM	MS
ER	1.83	PPM	MS
YB	1.77	PPM	MS
U	3.67	PPM	MS
TH	27.4	PPM	MS
PB	25.4	PPM	MS
NB	16.4	PPM	MS
HF	4.6	PPM	MS
CS	2.9	PPM	MS
W	2.1	PPM	MS
MO	1.9	PPM	MS
PB206_PB204	18.359		TIMS
PB207_PB204	15.593		TIMS
PB208_PB204	38.85		TIMS