Sample LC86-962

NavDat sample number 61360 · RHYODACITE

Sample

Latitude	40.5274
Longitude	-121.533
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	69.77	WT%	WDXRF
AL2O3	15.46	WT%	WDXRF
FE2O3	0.58	WT%	WDXRF
FEO	2.09	WT%	WDXRF
FEOT	2.61	WT%	WDXRF
MGO	1.31	WT%	WDXRF
CAO	3.44	WT%	WDXRF
NA2O	4.17	WT%	WDXRF
K2O	2.67	WT%	WDXRF
TIO2	0.34	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	0.25	WT%	LOI
TOTAL	99.84	WT%	WDXRF
MG_NUMBER	52.7		WDXRF
RB	71	PPM	EDXRF
SR	328	PPM	EDXRF
BA	748	PPM	EDXRF
Y	19	PPM	EDXRF
ZR	132	PPM	EDXRF
NB	7	PPM	EDXRF