Sample LC84-434

NavDat sample number 61234 · RHYODACITE

Sample

Latitude	40.5286
Longitude	-121.521
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	68.88	WT%	WDXRF
AL2O3	15.76	WT%	WDXRF
FE2O3	0.62	WT%	WDXRF
FEO	2.22	WT%	WDXRF
FEOT	2.77	WT%	WDXRF
MGO	1.46	WT%	WDXRF
CAO	3.71	WT%	WDXRF
NA2O	4.3	WT%	WDXRF
K2O	2.5	WT%	WDXRF
TIO2	0.38	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	0.1	WT%	LOI
TOTAL	99.84	WT%	WDXRF
MG_NUMBER	53.9		WDXRF
RB	70	PPM	EDXRF
SR	348	PPM	EDXRF
BA	739	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	136	PPM	EDXRF
NB	6	PPM	EDXRF