Sample LC86-1011B

NavDat sample number 61366 · RHYODACITE

Sample

Latitude	40.5583
Longitude	-121.531
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	69.33	WT%	WDXRF
AL2O3	16.07	WT%	WDXRF
FE2O3	0.56	WT%	WDXRF
FEO	2.02	WT%	WDXRF
FEOT	2.53	WT%	WDXRF
MGO	1.38	WT%	WDXRF
CAO	3.38	WT%	WDXRF
NA2O	4.07	WT%	WDXRF
K2O	2.65	WT%	WDXRF
TIO2	0.37	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	2.98	WT%	LOI
TOTAL	97.29	WT%	WDXRF
MG_NUMBER	54.9		WDXRF
RB	69	PPM	EDXRF
SR	338	PPM	EDXRF
BA	698	PPM	EDXRF
Y	18	PPM	EDXRF
ZR	135	PPM	EDXRF
NB	7	PPM	EDXRF