Robuta

https://www.usgs.gov/publications/magmatic-interactions-recorded-plagioclase-phenocrysts-chaos-crags-lassen-volcanic
The silicic lava domes of Chaos Crags in Lassen Volcanic National Park contain a suite of variably quenched, hybrid basaltic andesite magmatic inclusions. The...
chaos cragsmagmaticinteractionsrecordedplagioclase