1 / 65

Volcanic Features Vent collapse and/or erosion Pyroclastic eruptions

Volcanic Features Vent collapse and/or erosion Pyroclastic eruptions Lava flows and related features. 2/4/85 Pu’u O’o at full throttle! . Cinders, pumice, Pele’s hair, Pele’s tears. Cinder-and-spatter cone. Lava flow. Pele’s hair. The Goddess Pele. Pele’s tears.

borna
Download Presentation

Volcanic Features Vent collapse and/or erosion Pyroclastic eruptions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Volcanic Features Vent collapse and/or erosion Pyroclastic eruptions Lava flows and related features

  2. 2/4/85 Pu’u O’o at full throttle! Cinders, pumice, Pele’s hair, Pele’s tears Cinder-and-spatter cone Lava flow

  3. Pele’s hair

  4. The Goddess Pele

  5. Pele’s tears

  6. Reticulite or “thread-lace scoria”

  7. Devastation Area

  8. Spatter

  9. Solidified spatter

  10. Asymmetric Pu’u O’o cone. 6/2/86

  11. Final 255m Pu’u O’o cone.

  12. Phreatic explosion of Halema’ uma’ u, Kilauea, 1924

  13. Volcanic Blocks from Halema’uma’u Explosions of 1924

  14. Volcanic Features • Vent collapse and/or erosion • Pyroclastic eruptions • Lava flows and related features • Vents • Lava tubes • Lava types (chaos theory)

  15. Spatter and cinder cone on Pu’u O’o flank

  16. Kilauea lava flow

  17. Newly opened fissures uprift of Pu’u O’o 7/18/86

  18. Kilauea lava lake

  19. Kupaianaha Pu`u `Ō `ō

  20. Lava pond and sheil atop Kupaianaha vent.

  21. Lava channel becomes lava tube, which soon reached sea.

  22. Kalapana before

  23. Kalapana after

  24. Kalapana store before

  25. Kalapana store after

  26. Kupainaha shield and collapse pits, 1986 summit crater collapse pits

  27. Lava tube skylight and distant sea entry

  28. Hornito

  29. Thurston Lava Tube

  30. Flat floor

  31. High lava marks

  32. plant roots Lava erosion

  33. Lava delta growing seaward at Kamoamoa on Kilauea Volcano, Hawai`i, 1992

  34. Black sand

More Related