Sample 8

NavDat sample number 63200 · PYROCLASTIC-FALL

Sample

Sample ID	8
Alternate ID	N-ASW-115
Rock name	PYROCLASTIC-FALL
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Collected by	A.M. Sarna-Wojcicki, J.W. Hillhouse
Comment	Bishop ash at Insulating Aggregates quarry

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.73		0.657	0.803

Item	Value	Unit	Method
SIO2	77.37	WT%	EPMA
AL2O3	12.72	WT%	EPMA
FE2O3T	0.75	WT%	EPMA
MGO	0.04	WT%	EPMA
MNO	0.04	WT%	EPMA
CAO	0.45	WT%	EPMA
BAO	0	WT%	EPMA
TIO2	0.06	WT%	EPMA
NA2O	3.34	WT%	EPMA
K2O	5.22	WT%	EPMA
P	0	PPM	EPMA
SC	3.06	PPM	NAA
MN	265	PPM	NAA
ZN	30	PPM	NAA
RB	187	PPM	NAA
CS	6	PPM	NAA
LA	19.4	PPM	NAA
CE	47.1	PPM	NAA
ND	20	PPM	NAA
SM	3.74	PPM	NAA
EU	0.04	PPM	NAA
TB	0.56	PPM	NAA
DY	4.1	PPM	NAA
YB	2.7	PPM	NAA
LU	0.37	PPM	NAA
HF	3.74	PPM	NAA
TA	2.15	PPM	NAA
TH	21	PPM	NAA
U	6.69	PPM	NAA