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it is alternating layers of pyroclstic materials
Crusts must have both granitic (continental) plate and basaltic (oceanic) plate to cause both explosive (granitic magma) and non-explosive (basaltic magma) eruptions
The volcanoes that erupt both ways are located on or near boundaries between oceanic and continental crust over subduction zones.
The volcanoes that erupt both ways are located on or near boundaries between oceanic and continental crust over subduction zones.
pillow lava.... i think
it is alternating layers of pyroclstic materials
it is alternating layers of pyroclstic materials
Crusts must have both granitic (continental) plate and basaltic (oceanic) plate to cause both explosive (granitic magma) and non-explosive (basaltic magma) eruptions
The volcanoes that erupt both ways are located on or near boundaries between oceanic and continental crust over subduction zones.
The volcanoes that erupt both ways are located on or near boundaries between oceanic and continental crust over subduction zones.
Active volcanoes and dormant volcanoes both have a likely chance to erupt and have erupted in the past.
Many are in Europe.
Did you know that composite volcanoes make up 60% of the Earths volcanoes. Composite volcanoes don't always have to erupt from the top. They can have many magma chambers and can erupt from the sides. They can be made of basalt, rhyolite and/or andesite. They erupt both ash and lava. The lava is very thick. When the time comes for the volcano to erupt they start to become very quiet. (Sneaky eh?)
they are both volcanoes and both erupt something
Both erupt basaltic lava, which has a low silica content and a high temperature.
pillow lava.... i think
Scientists explore volcanoes in order to study its past eruption and/or when it will possibly erupt again. If the volcano is inactive they examine the old rocks around it in order to know the history of that volcano. There are both active and inactive volcanoes both of which are studied by scientists.