Sample LC81-706

NavDat sample number 19959 · RHYOLITE

Sample

Latitude	40.4783
Longitude	-121.449
Location	Lassen phase, Rockland sequence
State / province	California

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.4		0.36	0.44

Item	Value	Unit	Method
SIO2	67.31	WT%	XRF
AL2O3	16.4	WT%	XRF
FE2O3	0.72	WT%	XRF
FEO	2.6	WT%	XRF
MGO	1.66	WT%	XRF
CAO	3.78	WT%	XRF
NA2O	4.37	WT%	XRF
K2O	2.52	WT%	XRF
TIO2	0.44	WT%	XRF
P2O5	0.12	WT%	XRF
MNO	0.06	WT%	XRF
RB	67	PPM	XRF
SR	371	PPM	XRF
BA	729	PPM	XRF
Y	14	PPM	XRF
ZR	139	PPM	XRF
NB	6	PPM	XRF
CO	9.1	PPM	XRF
CR	9.6	PPM	XRF
CS	2.6	PPM	XRF
HF	3.6	PPM	XRF
TA	0.63	PPM	XRF
TH	8.9	PPM	XRF
U	2.9	PPM	XRF
SC	8.11	PPM	XRF
LA	21	PPM	XRF
SM	2.3	PPM	XRF
EU	0.68	PPM	XRF
YB	1.4	PPM	XRF
PB	11.1	PPM	XRF
SR87_SR86	0.70396		MS
PB206_PB204	18.977		MS
PB207_PB204	15.624		MS
PB208_PB204	38.668		MS
ND143_ND144	0.512808		MS
TOTAL	99.88	WT%	XRF