1 / 9

Volcanic Landforms

Volcanic Landforms. Landforms From Lava and Ash. Rock and other materials formed from lava create a variety of landforms including __________________, __________________, _________________, and ___________________. Shield Volcanoes.

twila
Télécharger la présentation

Volcanic Landforms

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 Landforms

  2. Landforms From Lava and Ash • Rock and other materials formed from lava create a variety of landforms including __________________, __________________, _________________, and ___________________.

  3. Shield Volcanoes • A wide gently sloping _____________ made of layers of lava and formed by ______________. • Shield volcanoes rising from a hot spot on the ocean floor created the __________ ___________.

  4. Cinder Cone Volcanoes • A steep _________ ____________ hill or mountain. • Cinder cone volcanoes occur from pile up of _____________, ____________, and _____________ from an explosive volcano.

  5. Composite Volcano • Tall, cone shaped mountains in which layers of ______________ alternate with layers of ______________. • Examples: Mt. Saint Helens, Mt. Fuji

  6. Lava Plateau • High level areas formed from lava • Example: Columbia Plateau Caldera: • A huge hole left by the _____________ of a _______________ mountain. • The hole is filled with the __________ of the ____________ that have fallen inward as well as some __________ and ___________.

  7. Soils from lava and ash • Soils made from volcanic ash is some of the richest soil in the world. • Volcanic ash breaks down and releases _______________, ______________, and other materials that plants need. • People settle near volcanoes to take advantage of the ___________ ___________.

  8. Landforms from Magma • Features formed from magma include: volcanic necks, dikes, and sills, as well as batholiths and dome mountains. Volcanic necks, dikes, and sills: • A neck forms when magma hardens in a ____________ __________. • Magma that forces itself across ____________ ___________ hardens into a dike.

  9. When magma squeezes between __________ of ___________ it is called a sill. Batholiths: • A mass of rock formed when a large body of magma ___________ inside the ___________. Dome Mountains: • Forms when rising magma is ____________ by horizontal layers of ____________. The magma forces the layers of rock to ___________ upward into a dome shape

More Related