Sample CN84-2

NavDat sample number 15906 · ANDESITE

Sample

Sample ID	CN84-2
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Knickerbocker andesite

Location

Latitude	39.279
Longitude	-119.663
Location	Knickerbocker shaft
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
14.3		13.8	14.8

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	58.61		WT%	UNKNOWN
TIO2	0.68		WT%	UNKNOWN
AL2O3	17.64		WT%	UNKNOWN
FE2O3	6.22		WT%	UNKNOWN
MNO	0.12		WT%	UNKNOWN
MGO	2.51		WT%	UNKNOWN
CAO	6.79		WT%	UNKNOWN
NA2O	4.09		WT%	UNKNOWN
K2O	1.7		WT%	UNKNOWN
P2O5	0.17		WT%	UNKNOWN
LOI	1.96		WT%	UNKNOWN
TOTAL	100.7		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.