Sample LC84-422

NavDat sample number 61228 · RHYODACITE

Sample

Latitude	40.528
Longitude	-121.485
State / province	California
Volcanic field	Lassen Volcanics, Eagle Peak Sequence

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.65		0	5.3

Item	Value	Unit	Method
SIO2	69.82	WT%	WDXRF
AL2O3	15.54	WT%	WDXRF
FE2O3	0.57	WT%	WDXRF
FEO	2.05	WT%	WDXRF
FEOT	2.56	WT%	WDXRF
MGO	1.26	WT%	WDXRF
CAO	3.31	WT%	WDXRF
NA2O	4.29	WT%	WDXRF
K2O	2.64	WT%	WDXRF
TIO2	0.36	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	1.05	WT%	LOI
TOTAL	98.05	WT%	WDXRF
MG_NUMBER	52.3		WDXRF
RB	70	PPM	EDXRF
SR	342	PPM	EDXRF
BA	773	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	131	PPM	EDXRF
NB	8	PPM	EDXRF