Sample LC82-193

NavDat sample number 61179 · DACITE

Sample

Latitude	40.4598
Longitude	-121.458
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	64.06	WT%	WDXRF
AL2O3	17.03	WT%	WDXRF
FE2O3	0.9	WT%	WDXRF
FEO	3.23	WT%	WDXRF
FEOT	4.04	WT%	WDXRF
MGO	2.86	WT%	WDXRF
CAO	5.39	WT%	WDXRF
NA2O	3.82	WT%	WDXRF
K2O	1.95	WT%	WDXRF
TIO2	0.54	WT%	WDXRF
P2O5	0.15	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.21	WT%	LOI
TOTAL	99.01	WT%	WDXRF
MG_NUMBER	61.2		WDXRF
RB	42	PPM	EDXRF
SR	522	PPM	EDXRF
BA	575	PPM	EDXRF
Y	18	PPM	EDXRF
ZR	141	PPM	EDXRF
NB	3	PPM	EDXRF