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Layers of ash and lava refer to the various levels of volcanic material deposited during an eruption. Ash is composed of small fragments of volcanic rock, while lava is molten rock that flows out of a volcano. Together, these layers provide a record of the volcano's eruptive history and can help scientists understand past volcanic activity.

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What is the definition or stratovolcanoes?

♥ the definition is: "composed of alternating layers of lava and ash." ♥


What is the definition of layer of ash and lava?

A layer of ash and lava is a geologic feature formed by the deposition of volcanic ash and solidified lava during volcanic eruptions. These layers can build up over time to create thick sequences of volcanic material, which can be preserved in the rock record as distinct stratigraphic units.


What type of the volcano has alternate layers of ash and lava?

Composite


What is the definition of a main vent in a volcano?

The definition is: Where the lava and volcanic ash escape


Do shield or composite or cinder cone or caldera volcanoes have alternate layers of ash and lava?

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 stratovolcano primarily consists of layers of lava and what powdery substance?

Ash


What type of volcano is made of layers of tephra and lava?

A stratovolcano is made of layers of tephra and lava. Stratovolcanoes are steep-sided and composed of alternating layers of volcanic ash, tephra, hardened lava flows, and other volcanic materials.


A mountain that forms when layers of lava and ash erupt and builds up is called a?

A mountain formed by the build up of lava and ash is a composite volcanic cone.


A mountain that forms when layers of lava and ash erupt and build up is a .?

a volcano


What type of volcano is made from alternating layers of lava and ash?

The composite volcano.


Layers of lava emitted by the volcano?

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.


Stratovolcano primarily consists of layers of lava and what powdery substance?

Stratovolcanoes primarily consist of layers of solidified lava and tephra, which is a powdery substance consisting of ash, volcanic rock fragments, and pumice. These alternating layers of lava and tephra form the characteristic composite cone shape of stratovolcanoes due to their explosive eruptions.