Sample LC83-359

NavDat sample number 61205 · 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	55.96	WT%	WDXRF
AL2O3	19.4	WT%	WDXRF
FE2O3	1.3	WT%	WDXRF
FEO	4.69	WT%	WDXRF
FEOT	5.87	WT%	WDXRF
MGO	4.19	WT%	WDXRF
CAO	8.46	WT%	WDXRF
NA2O	3.47	WT%	WDXRF
K2O	1.32	WT%	WDXRF
TIO2	0.86	WT%	WDXRF
P2O5	0.24	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.29	WT%	LOI
TOTAL	98.98	WT%	WDXRF
MG_NUMBER	61.4		WDXRF
RB	37	PPM	EDXRF
SR	1114	PPM	EDXRF
BA	287	PPM	EDXRF
Y	18	PPM	EDXRF
ZR	135	PPM	EDXRF
NB	5	PPM	EDXRF