Geological map of Tolbachik, from Bolshoe treshinnoe Tolbachinckoe izverzhenie, S.A. Fedotov, 1984
I added the red comments.
Map of Tolbachik complex
Geological map of Tolbachik, from Bolshoe treshinnoe Tolbachinckoe izverzhenie,
S.A. Fedotov, 1984
I added the red comments.