1 / 13

Three Types of Volcanoes

Three Types of Volcanoes. Shield Volcanoes. Low silica level Low viscosity Lava High or low levels of gas Flattened mound Resembles a warrior’s shield. Mauna Loa, Hawaii. Piton de la Fournaise. Surtsey, Finland. Composite Volcanoes. High in silica High viscosity magma

kuper
Download Presentation

Three Types of Volcanoes

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. Three Types of Volcanoes

  2. Shield Volcanoes • Low silica level • Low viscosity Lava • High or low levels of gas • Flattened mound • Resembles a warrior’s shield

  3. Mauna Loa, Hawaii

  4. Piton de la Fournaise

  5. Surtsey, Finland

  6. Composite Volcanoes • High in silica • High viscosity magma • High levels of gas • Highly explosive • Cone shaped • Formed by layers of lava and ash

  7. Mt. Rainier, Washington

  8. Mt. Fuji, Japan

  9. Mt. St. Helens, Washington

  10. Cindercones • Low silica lava • High levels of gas • “Fire-fountain” eruptions • Commonly found on the flanks of shield volcanoes • Made from a pile of rock pieces • Structurally weak

  11. Pu'u ka Pele, Hawaii(on the flanks of Mauna Loa)

  12. Floreana Island, Galapagos

  13. Puu OO, Hawaii

More Related