Sample LC83-360

NavDat sample number 61206 · RHYODACITE

Sample

Latitude	40.4745
Longitude	-121.518
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	70.98	WT%	WDXRF
AL2O3	15.46	WT%	WDXRF
FE2O3	0.49	WT%	WDXRF
FEO	1.76	WT%	WDXRF
FEOT	2.2	WT%	WDXRF
MGO	1.01	WT%	WDXRF
CAO	2.7	WT%	WDXRF
NA2O	4.23	WT%	WDXRF
K2O	2.87	WT%	WDXRF
TIO2	0.34	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	0.54	WT%	LOI
TOTAL	98.53	WT%	WDXRF
MG_NUMBER	50.5		WDXRF
RB	76	PPM	EDXRF
SR	327	PPM	EDXRF
BA	813	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	139	PPM	EDXRF
NB	8	PPM	EDXRF