Sample OPG-651

NavDat sample number 93227 · BASALTIC-ANDESITE

Sample

Sample ID	OPG-651
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Collected by	Church and Barakso
Comment	Lava flow with plagioclase phenocrysts

Age (Ma)	Error	Min	Max	Geologic age	Dated by
52		46.8	57.2

Item	Value	Unit	Method
SIO2	54.11	WT%	XRF
TIO2	1.26	WT%	XRF
AL2O3	16.51	WT%	XRF
FE2O3T	8.08	WT%	XRF
MNO	0.15	WT%	XRF
MGO	2.71	WT%	XRF
CAO	7	WT%	XRF
NA2O	3.88	WT%	XRF
K2O	2.76	WT%	XRF
P2O5	0.61	WT%	XRF
LOI	1.7	WT%	XRF
CR	98	PPM	XRF
NI	46	PPM	XRF
CO	20	PPM	XRF
V	178	PPM	XRF
ZN	106	PPM	XRF
RB	57	PPM	XRF
BA	1709	PPM	XRF
SR	1282	PPM	XRF
GA	20	PPM	XRF
TA	0.85	PPM	ICPMS
NB	18.9	PPM	ICPMS
HF	5.73	PPM	ICPMS
ZR	246	PPM	ICPMS
Y	24	PPM	ICPMS
TH	9.14	PPM	ICPMS
LA	49.06	PPM	ICPMS
CE	101.5	PPM	ICPMS
PR	12.78	PPM	ICPMS
ND	50.98	PPM	ICPMS
SM	9.3	PPM	ICPMS
EU	2.29	PPM	ICPMS
GD	7.07	PPM	ICPMS
TB	0.9	PPM	ICPMS
DY	4.94	PPM	ICPMS
HO	0.91	PPM	ICPMS
ER	2.49	PPM	ICPMS
TM	0.34	PPM	ICPMS
YB	2.21	PPM	ICPMS
LU	0.33	PPM	ICPMS
ND143_ND144	0.512754		ICPMS
SR87_SR86	0.704799		ICPMS