super 238 U- super 230 Th- super 226 Ra disequilibria in young Mount St. Helens rocks; time constraint for magma formation and crystallization.
Volpe, Alan M; Hammond, Paul E (1991) super 238 U- super 230 Th- super 226 Ra disequilibria in young Mount St. Helens rocks; time constraint for magma formation and crystallization. Earth and Planetary Science Letters. 107; 3-4, Pages 475-486. 1991.
| Authors | Volpe, Alan M; Hammond, Paul E |
|---|---|
| Year | 1991 |
| Title | super 238 U- super 230 Th- super 226 Ra disequilibria in young Mount St. Helens rocks; time constraint for magma formation and crystallization. |
| Source | Earth and Planetary Science Letters. 107; 3-4, Pages 475-486. 1991. |
| Publisher | Elsevier. Amsterdam, Netherlands. 1991. |
| Document type | Serial |
| ISSN | 0012-821X |
| GeoRef | 1992-014661 |
| Keywords | absolute-age; calc-alkalic-composition; Cascade-Range; Cenozoic-; crystallization-; dates-; evolution-; fractional-crystallization; genesis-; geochronology-; igneous-rocks; isochrons-; magmas-; Mount-Saint-Helens; Quaternary-; radioactive-decay; Skamania-County-Washington; southwestern-Washington; Th-Th; United-States; upper-Quaternary; uranium-disequilibrium; volcanic-rocks; volcanoes-; volcanology-; Washington- |
| DOI | 10.1016/0012-821X(91)90094-X |