Presentation Transcript
Types of Volcanoes :Types of Volcanoes They are 3 types of volcanoes startovolcano, Plug dome, Cinder cone.
Famous Volcanoes :Famous Volcanoes Krakatau in Indonesia 1883
Peele in Martinique 1902
Katmai in Alaska 1912
Mid Ocean Ridge :Mid Ocean Ridge When lava gets erupted at the mid-ocean ridge axis it cools and turns into hard rock.
Key Facts :Key Facts Volcanoes are borne in the islands mostly.
They get there names about the destruction they do.
They can kill 500 people in one blow.
Nothing cant stop volcanoes but a lot of water.
The lava they get from volcanoes are from the cour.
Igneous Rocks :Igneous Rocks Is one of the three main rock types (the others being sedimentary and metamorphic rock). Igneous rocks are formed by solidification of cooled magma (molten rock).
Basalt :Basalt Most basalt magmas have formed by decompression melting of the mantle. Basalt has also formed on Earth's Moon, Mars, Venus, and even on the asteroid Vesta.
Rhyolite :Rhyolite Rhyolite is an igneous, volcanic (extrusive) rock, of felsic (silicon-rich) composition.