Sample LM91-2140

NavDat sample number 61620 · BASALT

Sample

Sample ID	LM91-2140
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	Muffler
Comment	Poison Lake

Location

Latitude	40.6376
Longitude	-121.221
State / province	California
Volcanic field	Caribou Volcanic Field, Poison Lake Chain

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	50.25		WT%	WDXRF
AL2O3	16.95		WT%	WDXRF
FE2O3	1.69		WT%	WDXRF
FEO	6.07		WT%	WDXRF
FEOT	7.59		WT%	WDXRF
MGO	10.96		WT%	WDXRF
CAO	10.11		WT%	WDXRF
NA2O	2.5		WT%	WDXRF
K2O	0.49		WT%	WDXRF
TIO2	0.69		WT%	WDXRF
P2O5	0.14		WT%	WDXRF
MNO	0.14		WT%	WDXRF
LOI	0.11		WT%	LOI
TOTAL	99.17		WT%	WDXRF
MG_NUMBER	76.3			WDXRF

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