Sample A-23

NavDat sample number 29222

Sample

Sample ID	A-23
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	34.5455
Longitude	-115.79
Location	Amboy Crater
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.1		0.05	0.15

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	48.8		WT%	XRF
TIO2	2.36		WT%	XRF
AL2O3	16		WT%	XRF
FE2O3	9.62		WT%	XRF
MGO	6.6		WT%	AAS
CAO	8.7		WT%	XRF
NA2O	3.74		WT%	AAS
K2O	1.78		WT%	XRF
P2O5	0.6		WT%	XRF
LOI	0.86		WT%	GRAV
RB	33		PPM	XRF
SR	644		PPM	XRF
ZR	244		PPM	XRF
NI	132		PPM	XRF
V	203		PPM	XRF
CR	206		PPM	XRF

References

Farmer, G Lang; Glazner, Allen F; Hughes, William T; Wooden, Joseph L; Pickthorn, William J (1990) Mixing of basaltic magma with mafic crust at Amboy and Pisgah craters, Mojave Desert, California. Eos, Transactions, American Geophysical Union. 71; 43, Pages 1682. 1990.