Sample LC84-428

NavDat sample number 19968 · RHYODACITE

Sample

Latitude	40.5125
Longitude	-121.515
Location	Lassen phase, Loomis sequence
State / province	California

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.05		0	0.1

Item	Value	Unit	Method
SIO2	69.61	WT%	XRF
AL2O3	15.52	WT%	XRF
FE2O3	0.58	WT%	XRF
FEO	2.11	WT%	XRF
MGO	1.28	WT%	XRF
CAO	3.37	WT%	XRF
NA2O	4.32	WT%	XRF
K2O	2.61	WT%	XRF
TIO2	0.34	WT%	XRF
P2O5	0.13	WT%	XRF
MNO	0.06	WT%	XRF
RB	73	PPM	XRF
SR	335	PPM	XRF
BA	793	PPM	XRF
Y	15	PPM	XRF
ZR	132	PPM	XRF
NB	8	PPM	XRF
CO	6.83	PPM	XRF
CR	13.5	PPM	XRF
CS	3.76	PPM	XRF
HF	3.77	PPM	XRF
TA	0.856	PPM	XRF
TH	10.5	PPM	XRF
U	3.32	PPM	XRF
SC	7.48	PPM	XRF
LA	24.1	PPM	XRF
SM	2.88	PPM	XRF
EU	0.65	PPM	XRF
YB	1.34	PPM	XRF
PB	12.5	PPM	XRF
SR87_SR86	0.70408		MS
PB206_PB204	18.964		MS
PB207_PB204	15.627		MS
PB208_PB204	38.67		MS
ND143_ND144	0.512794		MS
TOTAL	99.29	WT%	XRF