Sample 631M

NavDat sample number 37997 · BASALT

Sample

Sample ID	631M
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	p (age code)

Location

Latitude	41.6
Longitude	-121.3
Location	Medicine Lake Volcano
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.83		0.01	1.64	Pleistocene

Analyses

WHOLE ROCK, MINERAL

Item	Value	Std. dev.	Unit	Method
D18O	6		PERMILL	MS
SIO2	48.1		WT%	XRF

References

Adami, L. H.; Hildreth, W. H.; Donnelly-Nolan, J. M. (1996) Oxygen isotope analyses of 166 rock samples from Medicine Lake Volcano, California. Open-File Report - U. S. Geological Survey. 1996.