Sample LC82-915

NavDat sample number 61160 · RHYODACITE

Sample

Latitude	40.4758
Longitude	-121.477
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	70	WT%	WDXRF
AL2O3	15.6	WT%	WDXRF
FE2O3	0.52	WT%	WDXRF
FEO	1.89	WT%	WDXRF
FEOT	2.36	WT%	WDXRF
MGO	1.22	WT%	WDXRF
CAO	3.14	WT%	WDXRF
NA2O	4.46	WT%	WDXRF
K2O	2.63	WT%	WDXRF
TIO2	0.35	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.94	WT%	LOI
TOTAL	98.92	WT%	WDXRF
MG_NUMBER	53.4		WDXRF
RB	68	PPM	EDXRF
SR	357	PPM	EDXRF
BA	780	PPM	EDXRF
Y	13	PPM	EDXRF
ZR	134	PPM	EDXRF
NB	8	PPM	EDXRF