Sample LC83-362

NavDat sample number 61207 · RHYODACITE

Sample

Latitude	40.4758
Longitude	-121.519
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	55.69	WT%	WDXRF
AL2O3	19.38	WT%	WDXRF
FE2O3	1.32	WT%	WDXRF
FEO	4.74	WT%	WDXRF
FEOT	5.92	WT%	WDXRF
MGO	4.39	WT%	WDXRF
CAO	8.82	WT%	WDXRF
NA2O	3.4	WT%	WDXRF
K2O	1.18	WT%	WDXRF
TIO2	0.81	WT%	WDXRF
P2O5	0.19	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.83	WT%	LOI
TOTAL	98.56	WT%	WDXRF
MG_NUMBER	62.3		WDXRF
RB	34	PPM	EDXRF
SR	1200	PPM	EDXRF
BA	236	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	129	PPM	EDXRF
NB	1	PPM	EDXRF