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The different layers of a volcano are made from the lava and ash produced by the volcano. Some volcanoes have different thicknesses of layers or only one type of layer depending on the kind of eruption and how much ash it produces.
Composite
Volcanoes are created by layers of ash and lava eruptions
The answer is Ash.
Ash
A mountain formed by the build up of lava and ash is a composite volcanic cone.
Composite VolcanoesComposite Volcanoes. Composite volcanoes are tall, cone shaped mountains in which alternate layers of lava alternate with layers of ash. This happens when smooth lava flows alternate with explosive eruptions of lava fragments.
a volcano
The composite volcano.
♥ the definition is: "composed of alternating layers of lava and ash." ♥
what is mountain formed from layers of lava and ash
A cone shaped mountain formed from layers of lava and ash (tephra, cinders) is called a 'composite volcano' or a 'stratovolcano'. Both names refer to the alternating layers.