Sample 44

NavDat sample number 63232 · PYROCLASTIC-FALL

Sample

Sample ID	44
Alternate ID	N-ASW-73
Rock name	PYROCLASTIC-FALL
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Collected by	M.O. Woodburne
Comment	Huckleberry Ridge ? ash bed; ash ash C, Tecopa area

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2		1.9	2.1

Item	Value	Unit	Method
SIO2	76.4	WT%	EPMA
AL2O3	11.9	WT%	EPMA
FE2O3T	2.01	WT%	EPMA
MGO	0.03	WT%	EPMA
MNO	0.03	WT%	EPMA
CAO	0.64	WT%	EPMA
BAO	0.04	WT%	EPMA
TIO2	0.14	WT%	EPMA
NA2O	2.85	WT%	EPMA
K2O	5.94	WT%	EPMA
P	0.02	PPM	EPMA
SC	1.75	PPM	NAA
MN	305	PPM	NAA
ZN	120	PPM	NAA
RB	189	PPM	NAA
CS	2.8	PPM	NAA
LA	102	PPM	NAA
CE	189	PPM	NAA
ND	78	PPM	NAA
SM	14.29	PPM	NAA
EU	0.81	PPM	NAA
TB	1.98	PPM	NAA
DY	13.37	PPM	NAA
YB	7.05	PPM	NAA
LU	1	PPM	NAA
HF	8.97	PPM	NAA
TA	3.01	PPM	NAA
TH	27.8	PPM	NAA
U	5.57	PPM	NAA