Sample LC81-813D

NavDat sample number 61140 · RHYODACITE

Sample

Latitude	40.5133
Longitude	-121.464
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	70.45	WT%	WDXRF
AL2O3	15.47	WT%	WDXRF
FE2O3	0.52	WT%	WDXRF
FEO	1.88	WT%	WDXRF
FEOT	2.35	WT%	WDXRF
MGO	1.16	WT%	WDXRF
CAO	2.88	WT%	WDXRF
NA2O	4.38	WT%	WDXRF
K2O	2.75	WT%	WDXRF
TIO2	0.36	WT%	WDXRF
P2O5	0.1	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	1.35	WT%	LOI
TOTAL	98.44	WT%	WDXRF
MG_NUMBER	52.4		WDXRF
RB	72	PPM	EDXRF
SR	325	PPM	EDXRF
BA	805	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	142	PPM	EDXRF
NB	8	PPM	EDXRF