| 21. | The chain is constructed by dacite and smaller amounts of andesite.
|
| 22. | A lava flow containing mafic andesite is associated with the cone.
|
| 23. | The volcano has erupted andesite and dacite, both containing hornblende.
|
| 24. | Escalante and Sairecabur have erupted dark andesites, later also dacites.
|
| 25. | Volcanic rocks of Kurile Lake range from basaltic andesite to rhyolite.
|
| 26. | Olivine is found in the andesites and quartz in the dacites.
|
| 27. | The volcano is constructed by dacite and pyroxene or hornblende andesite.
|
| 28. | Another phase of basaltic andesite activity followed, reaching lengths of.
|
| 29. | The andesite line is the most significant regional distinction in the Pacific.
|
| 30. | The andesite and monzonite are cut by dikes of dacite and rhyolite.
|