Sample DS88-40

NavDat sample number 51029 · RHYOLITE

Sample

Sample ID	DS88-40
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	46.505
Longitude	-121.828
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	72.93		WT%	UNKNOWN
TIO2	0.43		WT%	UNKNOWN
AL2O3	14.94		WT%	UNKNOWN
FEOT	4.68		WT%	UNKNOWN
MNO	0.12		WT%	UNKNOWN
MGO	0		WT%	UNKNOWN
CAO	0.26		WT%	UNKNOWN
NA2O	4.93		WT%	UNKNOWN
K2O	1.64		WT%	UNKNOWN
P2O5	0.08		WT%	UNKNOWN
TOTAL	99.29		WT%	UNKNOWN
LOI	2.39		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/