Sample LC81-736

NavDat sample number 61119 · RHYODACITE

Sample

Latitude	40.5119
Longitude	-121.499
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	69.34	WT%	WDXRF
AL2O3	15.75	WT%	WDXRF
FE2O3	0.56	WT%	WDXRF
FEO	2.02	WT%	WDXRF
FEOT	2.53	WT%	WDXRF
MGO	1.47	WT%	WDXRF
CAO	3.29	WT%	WDXRF
NA2O	4.37	WT%	WDXRF
K2O	2.68	WT%	WDXRF
TIO2	0.36	WT%	WDXRF
P2O5	0.1	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	0.52	WT%	LOI
TOTAL	99.3	WT%	WDXRF
MG_NUMBER	56.5		WDXRF
RB	76	PPM	EDXRF
SR	349	PPM	EDXRF
BA	749	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	138	PPM	EDXRF
NB	6	PPM	EDXRF