| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4675229 | Procedia Earth and Planetary Science | 2013 | 4 Pages |
Abstract
Groundwater helium sources and residence times were investigated using groundwater discharging from springs surrounding Mount St. Helens in the Cascades region of the United States. Significant contributions of mantle helium were found in all samples and are attributable to interaction between groundwater and magmatic gases. Bounding calculations for residence times were made on the basis of helium isotope mixing plots and historical tritium data.
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