| South of Tricouni Peak are andesite and dacite lava flows that form two non-overlapping sequences. |
| It comprises a series of ridges and vertical towers of dacite that cut through the centres of the older Mount Fee units. |
| Four common volcanic rock types are basalt, andesite, dacite, and rhyolite. |
| Here colorless to yellow crusts of mimetite coat open spaces and coarse fragments in brecciated dacite. |
| Look around the trail signs and benches and identify the pale tan coloured dacite. |
| These are overlain by flows of rhyolite, dacite, and andesite totalling about 900 m in thickness. |
