Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | Unknown, Unknown, USA |
| Reference | Gardner, J E; Rutherford, M; Carey, S; Sigurdsson, H (1995) Experimental constraints on pre-eruptive water contents and changing magma storage prior to explosive eruptions of Mount St Helens Volcano. Bulletin of Volcanology. 57; 1, Pages 1-17. 1995. |