Sample DS90-54

NavDat sample number 51051 · RHYOLITE

Sample

Sample ID	DS90-54
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	46.26
Longitude	-121.893
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
19		5	34

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	71.88		WT%	UNKNOWN
TIO2	0.36		WT%	UNKNOWN
AL2O3	14.73		WT%	UNKNOWN
FEOT	3.76		WT%	UNKNOWN
MNO	0.09		WT%	UNKNOWN
MGO	0.13		WT%	UNKNOWN
CAO	0.75		WT%	UNKNOWN
NA2O	5.61		WT%	UNKNOWN
K2O	2.61		WT%	UNKNOWN
P2O5	0.07		WT%	UNKNOWN
TOTAL	98.98		WT%	UNKNOWN
LOI	1.47		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/