Sample LC81-813C

NavDat sample number 61139 · 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	69.29	WT%	WDXRF
AL2O3	16.28	WT%	WDXRF
FE2O3	0.57	WT%	WDXRF
FEO	2.05	WT%	WDXRF
FEOT	2.56	WT%	WDXRF
MGO	1.27	WT%	WDXRF
CAO	3.05	WT%	WDXRF
NA2O	4.31	WT%	WDXRF
K2O	2.62	WT%	WDXRF
TIO2	0.39	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	2.46	WT%	LOI
TOTAL	96.05	WT%	WDXRF
MG_NUMBER	52.5		WDXRF
RB	69	PPM	EDXRF
SR	341	PPM	EDXRF
BA	805	PPM	EDXRF
Y	14	PPM	EDXRF
ZR	143	PPM	EDXRF
NB	10	PPM	EDXRF