Sample LC84-646

NavDat sample number 61280 · DACITE

Sample

Latitude	40.5065
Longitude	-121.521
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	67.03	WT%	WDXRF
AL2O3	15.67	WT%	WDXRF
FE2O3	0.82	WT%	WDXRF
FEO	2.96	WT%	WDXRF
FEOT	3.69	WT%	WDXRF
MGO	2.11	WT%	WDXRF
CAO	4.24	WT%	WDXRF
NA2O	3.98	WT%	WDXRF
K2O	2.49	WT%	WDXRF
TIO2	0.5	WT%	WDXRF
P2O5	0.14	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.23	WT%	LOI
TOTAL	99.24	WT%	WDXRF
MG_NUMBER	56		WDXRF
RB	66	PPM	EDXRF
SR	434	PPM	EDXRF
BA	752	PPM	EDXRF
Y	17	PPM	EDXRF
ZR	149	PPM	EDXRF
NB	7	PPM	EDXRF