Sample RWT-194-82

NavDat sample number 50991 · TUFF

Sample

Sample ID	RWT-194-82
Rock name	TUFF
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	47.06
Longitude	-121.585
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
26		25	27

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.95		WT%	UNKNOWN
TIO2	1.09		WT%	UNKNOWN
AL2O3	17.32		WT%	UNKNOWN
FEOT	7.47		WT%	UNKNOWN
MNO	0.14		WT%	UNKNOWN
MGO	3.66		WT%	UNKNOWN
CAO	8.55		WT%	UNKNOWN
NA2O	1.44		WT%	UNKNOWN
K2O	0.13		WT%	UNKNOWN
P2O5	0.23		WT%	UNKNOWN
TOTAL	98.83		WT%	UNKNOWN
LOI	8.01		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/