Sample 487-1

NavDat sample number 63278 · TUFF

Sample

Sample ID	487-1
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	36.9082
Longitude	-117.397
Location	Cottonwood Mtns
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
23.68		23.39	23.97

Analyses

Minerial

Item	Value	Std. dev.	Unit	Method
SIO2	66.18		WT%	UNKNOWN
AL2O3	18.81		WT%	UNKNOWN
FEO	0.1		WT%	UNKNOWN
CAO	0.18		WT%	UNKNOWN
NA2O	4.12		WT%	UNKNOWN
K2O	11.02		WT%	UNKNOWN
BAO	0.04		WT%	UNKNOWN
TOTAL	100.45		WT%	UNKNOWN

References

Snow, J Kent; Lux, Daniel R (1999) Tectono-sequence stratigraphy of Tertiary rocks in the Cottonwood Mountains and northern Death Valley area, California and Nevada. Special Paper - Geological Society of America. 333; Pages 17-64. 1999.