Sample L207

NavDat sample number 5095 · RHYOLITE

Sample

Sample ID	L207
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	35.7667
Longitude	-114.817
Location	Mount Davis Volcanics
State / province	Nevada
Location comment	From layer high in Mount Davis Volcanics, on west side of Welcome Fault near north end of the fault as exposed

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
15.55		14	17.1	Tertiary

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	66.85		WT%	UNKNOWN
AL2O3	15.25		WT%	UNKNOWN
FE2O3	1.26		WT%	UNKNOWN
FEO	0.57		WT%	UNKNOWN
MGO	0.46		WT%	UNKNOWN
CAO	1.38		WT%	UNKNOWN
NA2O	3.9		WT%	UNKNOWN
K2O	5.74		WT%	UNKNOWN
H2O_MINUS	0.18		WT%	UNKNOWN
H2O_PLUS	3.53		WT%	UNKNOWN
TIO2	0.41		WT%	UNKNOWN
P2O5	0.07		WT%	UNKNOWN
MNO	0.06		WT%	UNKNOWN

References

Anderson, R E (1977) Composite stratigraphic section of Tertiary volcanic rocks in the Eldorado Mountains, Nevada. Open-File Report - U. S. Geological Survey. 1977.