Sample BR-193

NavDat sample number 55421 · TUFF

Sample

Sample ID	BR-193
Rock name	TUFF
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	44.2278
Longitude	-122.233
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
26		17	35

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	60.65		WT%	XRF
TIO2	1.15		WT%	XRF
AL2O3	18.04		WT%	XRF
FEOT	6.33		WT%	XRF
MNO	0.18		WT%	XRF
MGO	1.31		WT%	XRF
CAO	3.96		WT%	XRF
NA2O	5.68		WT%	XRF
K2O	2.4		WT%	XRF
P2O5	0.3		WT%	XRF
TOTAL	99.36		WT%	XRF
LOI	2.23		WT%	XRF

References

Priest, George R; Black, Gerald L; Woller, Neil M; Taylor, Edward M (1988) Geologic map of the McKenzie Bridge Quadrangle, Lane County, Oregon. Geological Map Series (Portland). 48; 1988.