| 1. | The lava flows erupted by the fissure vents are formed by trachybasalt.
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| 2. | Volcanic activity at Anyuyskiy commenced at long fissure vents, forming lava flows.
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| 3. | The activity occurred at high temperatures and was issued by fissure vents.
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| 4. | The basalts issued from fissure vents primarily located peripheral to the calderas.
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| 5. | Sazeleti is a lava cone, the other two volcanoes are fissure vents.
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| 6. | Ten satellite cones and fissure vents lie on the flanks of the volcano.
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| 7. | Some of these fissure vents are exposed, forming ridges of lava.
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| 8. | The island is of volcanic origin, mostly made of fissure vents.
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| 9. | However, fissure vents occur on both ( mainly the west ) sides of the volcano.
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| 10. | Fissure vent Shield volcano Lava dome Cinder cone Stratovolcano Supervolcano Submarine volcano Subglacial volcano Mud volcano
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