Sample DB-82-755

NavDat sample number 50987 · ANDESITE

Sample

Sample ID	DB-82-755
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	47.0367
Longitude	-121.392
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25		23	27

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.29		WT%	UNKNOWN
TIO2	1.25		WT%	UNKNOWN
AL2O3	17.46		WT%	UNKNOWN
FEOT	7.74		WT%	UNKNOWN
MNO	0.16		WT%	UNKNOWN
MGO	2.61		WT%	UNKNOWN
CAO	6.8		WT%	UNKNOWN
NA2O	3.35		WT%	UNKNOWN
K2O	1.05		WT%	UNKNOWN
P2O5	0.29		WT%	UNKNOWN
TOTAL	99.31		WT%	UNKNOWN
LOI	2.86		WT%	UNKNOWN

References

Smith, Steven M National Geochemical Database?eformatted Data from the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) Program. http://pubs.usgs.gov/of/1997/ofr-97-0492/