Sample LC83-363

NavDat sample number 61208 · DACITE

Sample

Latitude	40.4767
Longitude	-121.525
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	65.64	WT%	WDXRF
AL2O3	16.99	WT%	WDXRF
FE2O3	0.8	WT%	WDXRF
FEO	2.86	WT%	WDXRF
FEOT	3.58	WT%	WDXRF
MGO	2.15	WT%	WDXRF
CAO	4.75	WT%	WDXRF
NA2O	3.95	WT%	WDXRF
K2O	2.12	WT%	WDXRF
TIO2	0.5	WT%	WDXRF
P2O5	0.15	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.13	WT%	LOI
TOTAL	99.18	WT%	WDXRF
MG_NUMBER	57.3		WDXRF
RB	51	PPM	EDXRF
SR	573	PPM	EDXRF
BA	603	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	148	PPM	EDXRF
NB	4	PPM	EDXRF