volcanoes n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Volcanoes PowerPoint Presentation
Download Presentation
Volcanoes

Loading in 2 Seconds...

play fullscreen
1 / 4

Volcanoes - PowerPoint PPT Presentation


  • 89 Views
  • Uploaded on

Volcanoes. Not just one type. Composite Cone. Mt St Helens - USA. The volcano is built up of alternate layers of LAVA and ASH. They can explode with great violence. Crater. Pyroclastic Flow. Ash layer. Dyke. Lava Layer. Flank eruption. Conelet. Lava Flow. Crust.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Volcanoes' - benjiro


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.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
volcanoes

Volcanoes

Not just one type

 Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

slide2

Composite Cone

Mt St Helens - USA

The volcano is built up of alternate layers of LAVA and ASH. They can explode with great violence.

Crater

Pyroclastic Flow

Ash layer

Dyke

Lava Layer

Flank

eruption

Conelet

Lava

Flow

Crust

 Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

slide3

Shield ( Basic) Cone

Mauna Loa Hawaii -USA

Shield Volcanoes are enormous features

built up only from layers of lava. They

produce lots of lava but they tent not to

erupt violently.

Layers of Lava

Lava Flow

10,000m

250 miles

Composite volcano to scale

 Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

slide4

Ash and Cinder Cone

Paracutin - Mexico

The volcano is built up of layers of ASH. When it erupts it is normally with great explosive force.

Volcanic Bombs

Layers of Ash

and Cinder

3,000m

Pipe

 Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools