Sample 82-39

NavDat sample number 88295 · BASALT

Sample

Sample ID	82-39
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	48.87		WT%	XRF
TIO2	0.93		WT%	XRF
AL2O3	17.63		WT%	XRF
FE2O3	9.84		WT%	XRF
MNO	0.15		WT%	XRF
MGO	8.48		WT%	XRF
CAO	11.02		WT%	XRF
NA2O	2.88		WT%	XRF
K2O	0.35		WT%	XRF
P2O5	0.13		WT%	XRF
Y	23.7		PPM	XRF
SR	200		PPM	XRF
RB	8.5		PPM	XRF
GA	16		PPM	XRF
NB	3.4		PPM	XRF
ZR	94		PPM	XRF
NI	130		PPM	XRF
CR	173		PPM	XRF
V	200		PPM	XRF
CE	11		PPM	XRF
BA	99		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