- Santiam Mining District (Elkhorn Mining District)
- Breitenbush-Austin Hot Springs area
| Bargar, K.E., Oscarson, R.L. (1997) Zeolites and selected other hydrothermal minerals in the Cascade Mountains of northern Oregon. Open-File Report Vol. 1997 (97-100) US Geological Survey doi:10.3133/ofr97100 |