Textural and mineralogical features of potash-rich basaltic rocks of the absarokite-shoshonite-banakite series strongly suggest that most of the large crystals and aggregates in these rocks are xenocrysts and microxenoliths, not true phenocrysts as was previously thought. A hybrid origin, involving assimilation of gabbro by high-temperature syenitic magma, is proposed.
Citation Information
| Publication Year | 1973 |
|---|---|
| Title | Hybrid origin of the absarokite-shoshonite-banakite Series, Absaroka Volcanic Field, Wyoming |
| DOI | 10.1130/0016-7606(1973)84<697:HOOTAS>2.0.CO;2 |
| Authors | Harold J. Prostka |
| Publication Type | Article |
| Publication Subtype | Journal Article |
| Series Title | Geological Society of America Bulletin |
| Index ID | 70241535 |
| Record Source | USGS Publications Warehouse |