Sample YAB 25-2

NavDat sample number 31666 · BASALT

Sample

Sample ID	YAB 25-2
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	Alkali basalt forms a small cylindrical vent. Amphibole megacrysts are common.

Age (Ma)	Error	Min	Max	Geologic age	Dated by
4.3		3.87	4.73

Item	Value	Unit	Method
SIO2	44.9	WT%	ICP
AL2O3	16.53	WT%	ICP
FEO	11.14	WT%	ICP
CAO	7.68	WT%	ICP
MGO	5.73	WT%	ICP
NA2O	4.73	WT%	ICP
K2O	1.04	WT%	ICP
TIO2	2.4	WT%	ICP
MNO	0.16	WT%	ICP
P2O5	0.72	WT%	ICP
CR	139	PPM	INAA
CO	29	PPM	INAA
SC	18	PPM	INAA
V	186	PPM	INAA
HF	6.45	PPM	INAA
TH	8.51	PPM	INAA
TA	4.02	PPM	INAA
LA	59.9	PPM	INAA
CE	116.3	PPM	INAA
SM	8.8	PPM	INAA
EU	2.4	PPM	INAA
YB	2.8	PPM	INAA
LU	0.3	PPM	INAA
SR	870	PPM	AAS
RB	22	PPM	AAS
BA	744	PPM	AAS
NI	64	PPM	AAS
NB	63	PPM	XRF
ZR	260	PPM	XRF
SR	999.69	PPM	MS-ID
RB	20.24	PPM	MS-ID
ND	46.29	PPM	MS-ID
ND143_ND144	0.512801		MS
SR87_SR86_INITIAL	0.70433		MS
PB206_PB204	18.718		MS
PB207_PB204	15.564		MS
PB208_PB204	38.639		MS