Sample RWT188-82

NavDat sample number 50981 · RHYOLITE

Sample

Sample ID	RWT188-82
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	47.0517
Longitude	-121.745
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
22		19.8	24.2

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	72.92		WT%	UNKNOWN
TIO2	0.4		WT%	UNKNOWN
AL2O3	13.63		WT%	UNKNOWN
FEOT	2.33		WT%	UNKNOWN
MNO	0.1		WT%	UNKNOWN
MGO	0.58		WT%	UNKNOWN
CAO	1.73		WT%	UNKNOWN
NA2O	3.86		WT%	UNKNOWN
K2O	4.37		WT%	UNKNOWN
P2O5	0.07		WT%	UNKNOWN
TOTAL	99.93		WT%	UNKNOWN
LOI	1.35		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/