Sample LC87-1204

NavDat sample number 61388 · RHYODACITE

Sample

Latitude	40.4728
Longitude	-121.52
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	71.59	WT%	WDXRF
AL2O3	15.02	WT%	WDXRF
FE2O3	0.47	WT%	WDXRF
FEO	1.7	WT%	WDXRF
FEOT	2.13	WT%	WDXRF
MGO	0.94	WT%	WDXRF
CAO	2.69	WT%	WDXRF
NA2O	4.2	WT%	WDXRF
K2O	2.91	WT%	WDXRF
TIO2	0.33	WT%	WDXRF
P2O5	0.1	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	2.07	WT%	LOI
TOTAL	97.41	WT%	WDXRF
MG_NUMBER	49.5		WDXRF
RB	86	PPM	EDXRF
SR	333	PPM	EDXRF
BA	837	PPM	EDXRF
Y	21	PPM	EDXRF
ZR	150	PPM	EDXRF
NB	12	PPM	EDXRF