| Title | Mantle Helium and Carbon Isotopes in Separation Creek Geothermal Springs, Three Sisters Area, Central Oregon: Evidence for Renewed Volcanic Activity or a Long Term Steady State System? |
|---|---|
| Authors | van Soest, M. C.; Kennedy, B. M.; Evans, W. C.; Mariner, R. H. |
| Year | 2002 |
| Conference | Geothermal Resources Council Transactions |
| Keywords | Geochemical Exploration; Helium Isotopes; Carbon Isotopes; South Sister Volcano; Oregon Cascades; Geothermal Springs |
| Abstract |