| The slate, where thermally metamorphosed, has been turned into siliceous hornfels and mica schist. |
| The pool has a narrow rim of subfossil siliceous sinter that rises up to 50 cm above water level. |
| The lower series consists of alternating basalt lava, tuff breccia, tufite, and siliceous rock, whereas the upper one is dominated by diabase. |
| According to Aghabawa, the rhyolites were extruded as siliceous lava, which solidified as glass and was subsequently devitrified. |
| Precious metals are commonly precipitated with the siliceous sinters that form around hot springs and geysers. |
| The spring pool has a rim of grey siliceous sinter up to 2 m wide and 0.5m high. |
