Sample LC86-997

NavDat sample number 61365 · RHYODACITE

Sample

Latitude	40.5099
Longitude	-121.462
State / province	California
Volcanic field	Lassen Volcanics, Bumpass Sequence

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

Item	Value	Unit	Method
SIO2	69.42	WT%	WDXRF
AL2O3	15.69	WT%	WDXRF
FE2O3	0.57	WT%	WDXRF
FEO	2.07	WT%	WDXRF
FEOT	2.59	WT%	WDXRF
MGO	1.29	WT%	WDXRF
CAO	3.33	WT%	WDXRF
NA2O	4.22	WT%	WDXRF
K2O	2.82	WT%	WDXRF
TIO2	0.39	WT%	WDXRF
P2O5	0.13	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	0.8	WT%	LOI
TOTAL	99.04	WT%	WDXRF
MG_NUMBER	52.5		WDXRF
RB	73	PPM	EDXRF
SR	356	PPM	EDXRF
BA	797	PPM	EDXRF
Y	22	PPM	EDXRF
ZR	155	PPM	EDXRF
NB	6	PPM	EDXRF