Sample LC93-1980

NavDat sample number 61467 · BASALT

Sample

Sample ID	LC93-1980
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	Clynne
Comment	Chester

Location

Latitude	40.2985
Longitude	-121.142
State / province	California
Volcanic field	Regional Volcanic Rocks, Older than the Caribou Volcanic Field

Age

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

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	48.51		WT%	WDXRF
AL2O3	17.65		WT%	WDXRF
FE2O3	1.62		WT%	WDXRF
FEO	8.25		WT%	WDXRF
FEOT	9.71		WT%	WDXRF
MGO	8.75		WT%	WDXRF
CAO	10.69		WT%	WDXRF
NA2O	2.73		WT%	WDXRF
K2O	0.25		WT%	WDXRF
TIO2	1.2		WT%	WDXRF
P2O5	0.16		WT%	WDXRF
MNO	0.18		WT%	WDXRF
LOI	0.01		WT%	LOI
TOTAL	100.07		WT%	WDXRF
MG_NUMBER	65.4			WDXRF
RB	5		PPM	EDXRF
SR	243		PPM	EDXRF
Y	35		PPM	EDXRF
ZR	92		PPM	EDXRF

References

Clynne, M.A., Muffler, L.J.P., Siems, D.F., Taggert Jr., J.E., Bruggman, P. (2008) Major and EDXRF trace element chemical analyses of volcanic rocks from Lassen Volcanic National Park and vicinity, California. Open-File Report - U. S. Geological Survey. 2008. Report # OF. 2008-1091