Sample CON-62

NavDat sample number 122488 · DACITE

Sample

Sample ID	CON-62
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	Author gave only range of rock types. SiO2 wt % was used to determine rock type. Described by authors as tuff.

Age (Ma)	Error	Min	Max	Geologic age	Dated by
32		23.5	40.5

Item	Value	Unit	Method
SIO2	67.83	WT%	ICP
AL2O3	12.24	WT%	ICP
FE2O3	1.81	WT%	ICP
MNO	-0.1	WT%	ICP
MGO	0.75	WT%	ICP
CAO	1.93	WT%	ICP
NA2O	0.97	WT%	ICP
K2O	4.88	WT%	ICP
TIO2	0.2	WT%	ICP
P2O5	0.02	WT%	ICP
TOTAL	99.72	WT%	ICP
SR	249	PPM	ICPMS
RB	171	PPM	ICPMS
BA	814	PPM	ICPMS
TH	9	PPM	ICPMS
NB	6	PPM	ICPMS
ZR	111	PPM	ICPMS
Y	26	PPM	ICPMS
SC	3	PPM	ICP
CR	4	PPM	ICPMS
NI	3	PPM	ICPMS
CO	10	PPM	ICPMS
LA	58	PPM	ICPMS
CE	56	PPM	ICPMS
PR	13	PPM	ICPMS
ND	49	PPM	ICPMS
SM	8	PPM	ICPMS
EU	1.37	PPM	ICPMS
GD	6	PPM	ICPMS
TB	0.92	PPM	ICPMS
DY	5	PPM	ICPMS
HO	0.95	PPM	ICPMS
ER	2.31	PPM	ICPMS
TM	0.31	PPM	ICPMS
YB	2.03	PPM	ICPMS
LU	0.3	PPM	ICPMS