Sample 83-2

NavDat sample number 88271 · BASALT

Sample

Sample ID	83-2
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	Baker and others

Location

Latitude	41.3079
Longitude	-121.575
State / province	California
Volcanic field	Giant Crater Lava Field

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.0106		0.00954	0.01166

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.98		WT%	XRF
TIO2	1.03		WT%	XRF
AL2O3	16.7		WT%	XRF
FE2O3	9.2		WT%	XRF
MNO	0.16		WT%	XRF
MGO	6.54		WT%	XRF
CAO	9.06		WT%	XRF
NA2O	3.16		WT%	XRF
K2O	1.07		WT%	XRF
P2O5	0.16		WT%	XRF
Y	28.6		PPM	XRF
SR	196		PPM	XRF
RB	30.7		PPM	XRF
PB	4		PPM	XRF
GA	15.9		PPM	XRF
NB	6.1		PPM	XRF
ZR	149		PPM	XRF
NI	85		PPM	XRF
CR	120		PPM	XRF
V	201		PPM	XRF
CE	27		PPM	XRF
BA	251		PPM	XRF

References

Baker, Michael B; Grove, Timothy L; Kinzler, R J; Donnelly-Nolan,Julie M; Wandless, G A (1991) Origin of compositional zonation (high-alumina basalt to basalticandesite) in the Giant Crater lava field, Medicine Lake Volcano,Northern California. Journal of Geophysical Research, vol. 96, no. B13, pp.21,819-21,842,10 Dec 1991 doi:10.1029/91JB01945