Sample P-18

NavDat sample number 29238

Sample

Sample ID	P-18
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	34.7416
Longitude	-116.37
Location	Pisgah Crater
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.0375		0.025	0.1

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	47		WT%	XRF
TIO2	2.36		WT%	XRF
AL2O3	15.4		WT%	XRF
FE2O3	9.95		WT%	XRF
MGO	7.72		WT%	AAS
CAO	9.49		WT%	XRF
NA2O	3.82		WT%	AAS
K2O	1.9		WT%	XRF
P2O5	0.78		WT%	XRF
LOI	0.33		WT%	GRAV
RB	37		PPM	XRF
SR	637		PPM	XRF
ZR	244		PPM	XRF
NI	129		PPM	XRF
V	232		PPM	XRF
CR	190		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.