Magma composition and volcano type
We will consider three general compositions of magma/lava:
- Basalt (mafic)- associated with shield volcanoes, flood basalts, monogenetic fields and ocean floor volcanoes
- Andesite (intermediate)- associated with stratovolcanoes
- Rhyolite (felsic)- associated with large calderas
We will start with the mafic composition: Basalt…
