Sample LC81-659A

NavDat sample number 61095 · RHYOLITE

Sample

Latitude	40.5245
Longitude	-121.476
State / province	California
Volcanic field	Lassen Volcanics, Rockland Caldera Complex

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.65		0	5.3

Item	Value	Unit	Method
SIO2	57.52	WT%	WDXRF
AL2O3	19.07	WT%	WDXRF
FE2O3	1.35	WT%	WDXRF
FEO	4.86	WT%	WDXRF
FEOT	6.07	WT%	WDXRF
MGO	3.65	WT%	WDXRF
CAO	8.17	WT%	WDXRF
NA2O	3.42	WT%	WDXRF
K2O	1.08	WT%	WDXRF
TIO2	0.65	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.46	WT%	LOI
TOTAL	100.16	WT%	WDXRF
MG_NUMBER	57.3		WDXRF
RB	33	PPM	EDXRF
SR	784	PPM	EDXRF
BA	270	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	104	PPM	EDXRF
NB	5	PPM	EDXRF