Below is a list of some of the major terms used for volcanic features, as well as sentences describing them. Match each term with its correct description. Match the words in the left column to the appropriate blanks in the sentences on the right. View Available Hint(s) Reset Help crater is formed on the volcano summit by explosive eruptions and is composed of magma chamber accumulated volcanic debris. caldera 2. Depletion of the upper part of a magma chamber during a volcanic eruption can result in gravitational collapse of the volcanic summit to form a parasitic cone vent 3. A is an opening where volcanic materials erupt at the Earth's surface, and can form on conduit the flanks of a larger volcano in the case of a 4. The pipelike feature through which magma travels upward from an underground magma chamber is called a results when magma collects or ponds due to its density being higher than that of overlaying materials.