Sample KM86-78

NavDat sample number 29681 · BASALTIC-ANDESITE

Sample

Sample ID	KM86-78
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	20.9% plagioclase, 0.6% olivine, 1.0% cpx, 5.5% oxide, 72.0 % matrix

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2		1.96	2.04

Item	Value	Unit	Method
SIO2	55.51	WT%	XRF
TIO2	0.88	WT%	XRF
AL2O3	17.28	WT%	XRF
FE2O3	3.98	WT%	XRF
FEO	3.75	WT%	XRF
MNO	0.13	WT%	XRF
MGO	4.8	WT%	XRF
CAO	6.99	WT%	XRF
NA2O	4.07	WT%	XRF
K2O	1.3	WT%	XRF
P2O5	0.22	WT%	XRF
LOI	0.59	WT%	XRF
RB	21	PPM	XRF
SR	503	PPM	XRF
BA	405	PPM	XRF
Y	20	PPM	XRF
ZR	161	PPM	XRF
V	164	PPM	XRF
NI	75	PPM	XRF
CR	113	PPM	XRF