Sample RWT-239-82

NavDat sample number 50993 · ANDESITE

Sample

Sample ID	RWT-239-82
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	47.065
Longitude	-121.375
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	61.02		WT%	UNKNOWN
TIO2	1.52		WT%	UNKNOWN
AL2O3	15.74		WT%	UNKNOWN
FEOT	7.27		WT%	UNKNOWN
MNO	0.14		WT%	UNKNOWN
MGO	2.23		WT%	UNKNOWN
CAO	5.99		WT%	UNKNOWN
NA2O	3.65		WT%	UNKNOWN
K2O	2.03		WT%	UNKNOWN
P2O5	0.41		WT%	UNKNOWN
TOTAL	101.25		WT%	UNKNOWN
LOI	1.95		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/