Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | USGS MENLO PARK, MENLO PARK, CA 94025, USA |
| Reference | Anonymous (1987) Geology of the Mount St. Helens area; record of discontinuous volcanicand plutonic activity in the Cascade Arc of southern Washington. Journal of Geophysical Research, vol.92, no.B10, pp.10,155-10,169, 10Sep 1987 |
Samples analysed with this method
OE38, 2R14, 3.00E+57, 7N26, 8M74, 8W21, 7N144, 3.00E+52, 2E125B, 8.00E+181, 2E35B, 2E42A, 3E30A, 8E199A, 8R35, 7R49, 84CG-V29, 8E168A, 8M88A, 8R128