Sample LC85-774

NavDat sample number 61317 · ANDESITE

Sample

Latitude	40.4252
Longitude	-121.491
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	59.83	WT%	WDXRF
AL2O3	17.21	WT%	WDXRF
FE2O3	1.2	WT%	WDXRF
FEO	4.34	WT%	WDXRF
FEOT	5.42	WT%	WDXRF
MGO	3.77	WT%	WDXRF
CAO	6.9	WT%	WDXRF
NA2O	3.77	WT%	WDXRF
K2O	1.9	WT%	WDXRF
TIO2	0.76	WT%	WDXRF
P2O5	0.22	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.95	WT%	LOI
TOTAL	99.26	WT%	WDXRF
MG_NUMBER	60.7		WDXRF
RB	45	PPM	EDXRF
SR	518	PPM	EDXRF
BA	634	PPM	EDXRF
Y	22	PPM	EDXRF
ZR	165	PPM	EDXRF
NB	7	PPM	EDXRF