Sample LC87-1214

NavDat sample number 61392 · RHYODACITE

Sample

Latitude	40.5058
Longitude	-121.503
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	69.8	WT%	WDXRF
AL2O3	15.36	WT%	WDXRF
FE2O3	0.58	WT%	WDXRF
FEO	2.1	WT%	WDXRF
FEOT	2.63	WT%	WDXRF
MGO	1.32	WT%	WDXRF
CAO	3.22	WT%	WDXRF
NA2O	4.18	WT%	WDXRF
K2O	2.86	WT%	WDXRF
TIO2	0.41	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	0.89	WT%	LOI
TOTAL	98.51	WT%	WDXRF
MG_NUMBER	52.9		WDXRF
RB	81	PPM	EDXRF
SR	365	PPM	EDXRF
BA	841	PPM	EDXRF
Y	24	PPM	EDXRF
ZR	169	PPM	EDXRF
NB	11	PPM	EDXRF