Mafic rocks

Mafic rocks

1. Shield volcanoes

   • Constructive plate boundaries
     • Between two oceanic plates

2. Rocks

   • Gabbro
   • Dolerite
   • Basalt

3. Mineral content

   • 50% mafic
   • 50% plagoiclase (Feldspar)
   • 0% quatz
   • 0% mica

4. description

   • Dark in colour
   • Crystal sizes vary

Imagens e arquivos do mapa