A Crater is formed on the volcano summit by explosive eruptions and is composed of accumulated volcanic debris.
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 Caldera.
A Vent is an opening where volcanic materials erupt at the Earth's surface, and can form on the flanks of a larger volcano in the case of a parasitic cone.
The pipelike feature through which magma travels upward from an underground magma chamber is called a Conduit.
A magma chamber results when magma collects or ponds due to its density being higher than that of overlaying materials
Match the words in the left column to the appropriate blanks In the sentences on the...
i need help with all thank you 97. A Nuée ardente is a phenomenon associated with lava flows 98. Volcanic vents that emit only gases are called fumaroles 99 The volcanoes of the Cascade Range are primarily cinder cone volcanoes ESSAY /FILL-IN 100. What type of magma composition is commonly erupted on the continents along a 102. A Place your anavwera to questions on the answer sheet provided by your in apropriate word, phrase, or short essay to answer the...
5. Evaluating Volcanic Risks at Mountain View. The volcano near Mountain View, WA (Mt. Ataneq), was last active in 1850. The 1850 vent is now filled by a small, steaming crater lake (to the west of the summit). Prehistoric vents form the summit of the volcano, which is now covered by glaciers. If Mt. Ataneq erupts, you need to know what the risks are to the town of Mountain View (and your business) and surrounding towns (Baker City, Hoodtown) who...