Sample LC84-421

NavDat sample number 61227 · 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	69.59	WT%	WDXRF
AL2O3	15.61	WT%	WDXRF
FE2O3	0.58	WT%	WDXRF
FEO	2.09	WT%	WDXRF
FEOT	2.62	WT%	WDXRF
MGO	1.28	WT%	WDXRF
CAO	3.39	WT%	WDXRF
NA2O	4.3	WT%	WDXRF
K2O	2.63	WT%	WDXRF
TIO2	0.36	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	1.17	WT%	LOI
TOTAL	98.23	WT%	WDXRF
MG_NUMBER	52.1		WDXRF
RB	75	PPM	EDXRF
SR	338	PPM	EDXRF
BA	780	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	137	PPM	EDXRF
NB	11	PPM	EDXRF