Sample CN84-1

NavDat sample number 15905 · ANDESITE

Sample

Sample ID	CN84-1
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Knickerbocker andesite

Location

Latitude	39.2913
Longitude	-119.618
Location	Virginia City
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
10.6		10.2	11

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	58.43		WT%	UNKNOWN
TIO2	0.71		WT%	UNKNOWN
AL2O3	17.99		WT%	UNKNOWN
FE2O3	6.6		WT%	UNKNOWN
MNO	0.13		WT%	UNKNOWN
MGO	3.15		WT%	UNKNOWN
CAO	6.4		WT%	UNKNOWN
NA2O	3.95		WT%	UNKNOWN
K2O	1.66		WT%	UNKNOWN
P2O5	0.18		WT%	UNKNOWN
LOI	0.99		WT%	UNKNOWN
TOTAL	100.4		WT%	UNKNOWN

References

Vikre, Peter G; McKee, Edwin H; Silberman, Miles L (1988) Chronology of Miocene hydrothermal and igneous events in the western Virginia Range, Washoe, Storey, and Lyon counties, Nevada. Economic Geology and the Bulletin of the Society of Economic Geologists. 83; 4, Pages 864-874. 1988.