Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | WASHINGTON STATE UNIVERSITY, WASHINGTON, USA |
| Reference | Gray, Leda Beth; Sherrod, David R; Conrey, Richard M (1995) Potassium-argon ages from the northern Oregon Cascade Range. Isochron/West. 63; Pages 21-28. 1995. |