Richard Harwood's Thesis

Cinder Cone Breaching Events at

Strawberry and O'Neill Craters

Figure 20.

Top photo shows outcrops of the dacite vitrophyre plug on the floor of the breach (indicated by white arrows). Bottom photo is a close-up of one of the plug outcrops.

The dacite vitrophyre plug on the floor of the breach

Close-up of one of the plug outcrops