Sample LC84-443

NavDat sample number 61236 · RHYODACITE

Sample

Latitude	40.5135
Longitude	-121.515
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	69.81	WT%	WDXRF
AL2O3	15.6	WT%	WDXRF
FE2O3	0.56	WT%	WDXRF
FEO	2.03	WT%	WDXRF
FEOT	2.54	WT%	WDXRF
MGO	1.2	WT%	WDXRF
CAO	3.31	WT%	WDXRF
NA2O	4.3	WT%	WDXRF
K2O	2.64	WT%	WDXRF
TIO2	0.35	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	0.76	WT%	LOI
TOTAL	98.91	WT%	WDXRF
MG_NUMBER	51.2		WDXRF
RB	71	PPM	EDXRF
SR	331	PPM	EDXRF
BA	804	PPM	EDXRF
Y	13	PPM	EDXRF
ZR	137	PPM	EDXRF
NB	8	PPM	EDXRF
NI	10	PPM	EDXRF
CU	0	PPM	EDXRF
ZN	24	PPM	EDXRF
CR	6	PPM	EDXRF