Sample 391-5

NavDat sample number 63277 · TUFF

Sample

Sample ID	391-5
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	36.6255
Longitude	-117.301
Location	Cottonwood Mtns
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
19.85		19.25	20.45

Analyses

Minerial

Item	Value	Std. dev.	Unit	Method
SIO2	65.38		WT%	UNKNOWN
AL2O3	19.22		WT%	UNKNOWN
FEO	0.07		WT%	UNKNOWN
CAO	0.14		WT%	UNKNOWN
NA2O	2.82		WT%	UNKNOWN
K2O	12.8		WT%	UNKNOWN
SRO	0.11		WT%	UNKNOWN
BAO	0.5		WT%	UNKNOWN
TOTAL	101.05		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.