Sample LC81-797

NavDat sample number 61128 · ANDESITE

Sample

Latitude	40.445
Longitude	-121.518
State / province	California
Volcanic field	Lassen Volcanics, Brokeoff Volcano

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

Item	Value	Unit	Method
SIO2	58.08	WT%	WDXRF
AL2O3	18.04	WT%	WDXRF
FE2O3	1.31	WT%	WDXRF
FEO	4.71	WT%	WDXRF
FEOT	5.89	WT%	WDXRF
MGO	3.88	WT%	WDXRF
CAO	7.26	WT%	WDXRF
NA2O	3.82	WT%	WDXRF
K2O	1.74	WT%	WDXRF
TIO2	0.82	WT%	WDXRF
P2O5	0.23	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.79	WT%	LOI
TOTAL	99.18	WT%	WDXRF
MG_NUMBER	59.5		WDXRF
RB	44	PPM	EDXRF
SR	515	PPM	EDXRF
BA	589	PPM	EDXRF
Y	23	PPM	EDXRF
ZR	146	PPM	EDXRF
NB	6	PPM	EDXRF