Trace element and isotopic constraints on magmatic evolution at Lassen volcanic center
Journal of Geophysical Research
By: T.D. Bullen and M.A. Clynne
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Abstract
Magmatic evolution at the Lassen volcanic center (LVC) is characterized by a transition from predominantly andesitic to predominantly silicic volcanism with time. Magmas of the andesitic, or "Brokeoff phase' of volcanism range in composition from basaltic andesite to dacite, whereas those of silicic, or "Lassen phase' range in composition from basaltic andesite to rhyolite. The compositions of magmas from each phase define well organized but distinct variation trends. Magmatic evolution at LVC can be viewed in terms of a series of mantle melting events that subsequently stimulated melting in a progressively increasing volume of the lower crust. -from Authors
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Trace element and isotopic constraints on magmatic evolution at Lassen volcanic center |
| Series title | Journal of Geophysical Research |
| Volume | 95 |
| Issue | B12 |
| Year Published | 1990 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geophysical Research |
| Google Analytic Metrics | Metrics page |