Sample CN85-40

NavDat sample number 15907 · ANDESITE

Sample

Sample ID	CN85-40
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Knickerbocker andesite

Location

Latitude	39.2771
Longitude	-119.684
Location	Mt Grosh
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
13.6		12.8	14.4

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
SIO2	56.95		WT%	UNKNOWN
TIO2	0.71		WT%	UNKNOWN
AL2O3	16.06		WT%	UNKNOWN
FE2O3	5.57		WT%	UNKNOWN
MNO	0.15		WT%	UNKNOWN
MGO	2.42		WT%	UNKNOWN
CAO	6.97		WT%	UNKNOWN
NA2O	3.29		WT%	UNKNOWN
K2O	3.48		WT%	UNKNOWN
P2O5	0.17		WT%	UNKNOWN
LOI	2.98		WT%	UNKNOWN
TOTAL	98.95		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.