Sample R9-1-43

NavDat sample number 36720 · TRACHYTE

Sample

Sample ID	R9-1-43
Rock name	TRACHYTE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	trachyte flow containing sanidine and plagioclase phenocrysts in a matrix of green glass

Age (Ma)	Error	Min	Max	Geologic age	Dated by
4.24		4.18	4.3

Item	Value	Unit	Method
SIO2	58.92	WT%	ICP
TIO2	0.47	WT%	ICP
AL2O3	15.94	WT%	ICP
FE2O3	6.74	WT%	ICP
FEO	6.06	WT%	ICP
MNO	0.17	WT%	ICP
MGO	0.52	WT%	ICP
CAO	3.62	WT%	ICP
NA2O	6.25	WT%	ICP
K2O	5.58	WT%	ICP
P2O5	0.11	WT%	ICP
LOI	1.64	WT%	ICP
TOTAL	100.96	WT%	ICP
BA	353	PPM	INAA
CO	2	PPM	INAA
CR	11	PPM	INAA
NB	84	PPM	XRF
NI	1	PPM	XRF
RB	87	PPM	XRF
SC	5.9	PPM	INAA
SR	101	PPM	XRF
TA	6.41	PPM	INAA
TH	9.77	PPM	INAA
Y	48	PPM	XRF
ZN	124	PPM	XRF
ZR	953	PPM	XRF
LA	73	PPM	INAA
ND	64.8	PPM	INAA
SM	13.4	PPM	INAA
EU	2.3	PPM	INAA
TB	2.03	PPM	INAA
YB	5.11	PPM	INAA
LU	0.68	PPM	INAA
SR87_SR86	0.7048		MS
SM	13.67	PPM	MS-ID
ND	65.36	PPM	MS-ID
ND143_ND144	0.512804		MS
PB	6.33	PPM	MS-ID
PB206_PB204	19.489		MS
PB207_PB204	15.705		MS
PB208_PB204	39.256		MS
E_ND	3.26		MS