Sample LC81-660

NavDat sample number 61096 · RHYODACITE

Sample

Latitude	40.5567
Longitude	-121.529
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	69.65	WT%	WDXRF
AL2O3	15.59	WT%	WDXRF
FE2O3	0.57	WT%	WDXRF
FEO	2.04	WT%	WDXRF
FEOT	2.55	WT%	WDXRF
MGO	1.48	WT%	WDXRF
CAO	3.19	WT%	WDXRF
NA2O	4.23	WT%	WDXRF
K2O	2.75	WT%	WDXRF
TIO2	0.35	WT%	WDXRF
P2O5	0.1	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	0.6	WT%	LOI
TOTAL	99.01	WT%	WDXRF
MG_NUMBER	56.3		WDXRF
RB	72	PPM	EDXRF
SR	336	PPM	EDXRF
BA	770	PPM	EDXRF
Y	14	PPM	EDXRF
ZR	133	PPM	EDXRF
NB	7	PPM	EDXRF