Sample LC83-288

NavDat sample number 61191 · ANDESITE

Sample

Latitude	40.5738
Longitude	-121.457
State / province	California
Volcanic field	Regional Volcanic Rocks, North and West of the Lassen Volcanic Center

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

Item	Value	Unit	Method
SIO2	62.62	WT%	WDXRF
AL2O3	16.72	WT%	WDXRF
FE2O3	1.09	WT%	WDXRF
FEO	3.91	WT%	WDXRF
FEOT	4.89	WT%	WDXRF
MGO	3.32	WT%	WDXRF
CAO	5.93	WT%	WDXRF
NA2O	3.66	WT%	WDXRF
K2O	1.92	WT%	WDXRF
TIO2	0.56	WT%	WDXRF
P2O5	0.18	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.1	WT%	LOI
TOTAL	99.11	WT%	WDXRF
MG_NUMBER	60.2		WDXRF
RB	49	PPM	EDXRF
SR	418	PPM	EDXRF
BA	754	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	161	PPM	EDXRF
NB	3	PPM	EDXRF