Sample LC84-433

NavDat sample number 61233 · RHYODACITE

Sample

Latitude	40.5277
Longitude	-121.52
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	66.97	WT%	WDXRF
AL2O3	16.26	WT%	WDXRF
FE2O3	0.76	WT%	WDXRF
FEO	2.72	WT%	WDXRF
FEOT	3.4	WT%	WDXRF
MGO	1.81	WT%	WDXRF
CAO	4.48	WT%	WDXRF
NA2O	4.15	WT%	WDXRF
K2O	2.25	WT%	WDXRF
TIO2	0.41	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.49	WT%	LOI
TOTAL	99.31	WT%	WDXRF
MG_NUMBER	54.2		WDXRF
RB	59	PPM	EDXRF
SR	376	PPM	EDXRF
BA	697	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	128	PPM	EDXRF
NB	6	PPM	EDXRF
NI	12	PPM	EDXRF
CU	12	PPM	EDXRF
ZN	31	PPM	EDXRF
CR	9	PPM	EDXRF