Sample LC88-1284A

NavDat sample number 61398 · RHYODACITE

Sample

Latitude	40.5428
Longitude	-121.578
State / province	California
Volcanic field	Lassen Volcanics, Eagle Peak Sequence

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

Item	Value	Unit	Method
SIO2	53.57	WT%	WDXRF
AL2O3	18.87	WT%	WDXRF
FE2O3	1.77	WT%	WDXRF
FEO	6.38	WT%	WDXRF
FEOT	7.97	WT%	WDXRF
MGO	4.75	WT%	WDXRF
CAO	9.66	WT%	WDXRF
NA2O	2.98	WT%	WDXRF
K2O	1	WT%	WDXRF
TIO2	0.78	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.14	WT%	WDXRF
LOI	0.36	WT%	LOI
TOTAL	99.82	WT%	WDXRF
MG_NUMBER	57		WDXRF
RB	14	PPM	EDXRF
SR	554	PPM	EDXRF
BA	160	PPM	EDXRF
Y	17	PPM	EDXRF
ZR	71	PPM	EDXRF
NB	4	PPM	EDXRF
NI	16	PPM	EDXRF
CU	30	PPM	EDXRF
ZN	71	PPM	EDXRF
CR	36	PPM	EDXRF