Sample P83-M3-38

NavDat sample number 50860 · PYROCLASTIC-FALL

Sample

Sample ID	P83-M3-38
Rock name	PYROCLASTIC-FALL
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	43.2333
Longitude	-122.767
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
14		5	24

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	68.27		WT%	UNKNOWN
TIO2	0.88		WT%	UNKNOWN
AL2O3	14.56		WT%	UNKNOWN
FEOT	4.54		WT%	UNKNOWN
MNO	0.13		WT%	UNKNOWN
MGO	1.37		WT%	UNKNOWN
CAO	3.99		WT%	UNKNOWN
NA2O	4.37		WT%	UNKNOWN
K2O	1.69		WT%	UNKNOWN
P2O5	0.21		WT%	UNKNOWN
TOTAL	100.62		WT%	UNKNOWN
LOI	5.37		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/