Sample LC81-731

NavDat sample number 19965 · RHYODACITE

Sample

Latitude	40.5014
Longitude	-121.497
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	69.97	WT%	XRF
AL2O3	15.56	WT%	XRF
FE2O3	0.54	WT%	XRF
FEO	1.94	WT%	XRF
MGO	1.2	WT%	XRF
CAO	2.91	WT%	XRF
NA2O	4.32	WT%	XRF
K2O	2.74	WT%	XRF
TIO2	0.35	WT%	XRF
P2O5	0.11	WT%	XRF
MNO	0.05	WT%	XRF
RB	69	PPM	XRF
SR	326	PPM	XRF
BA	810	PPM	XRF
Y	14	PPM	XRF
ZR	141	PPM	XRF
NB	6	PPM	XRF
CO	5.4	PPM	XRF
CR	8.8	PPM	XRF
CS	3.9	PPM	XRF
HF	3.2	PPM	XRF
TA	0.88	PPM	XRF
TH	10.8	PPM	XRF
U	3.4	PPM	XRF
SC	5.12	PPM	XRF
LA	21	PPM	XRF
SM	2.2	PPM	XRF
EU	0.63	PPM	XRF
YB	1.2	PPM	XRF
PB	11.9	PPM	XRF
SR87_SR86	0.70405		MS
PB206_PB204	18.958		MS
PB207_PB204	15.62		MS
PB208_PB204	38.638		MS
ND143_ND144	0.512779		MS
TOTAL	99.48	WT%	XRF