Cupola (cave formation)

A cupola is a recess, indentation, or cavity in the ceiling of a lava tube, a kind of cave formation.[1][2] Cupolas may originate from partial collapse of the ceiling, inflation of the roof by gas or lava pressure, or from a roofed-over site of a former tube overflow.[3] They can be situated anywhere in a lava tube but are most common in lower-level passages.[4]

See also

  • Spherical niches

References

  1. ^ Larson, Charles V. (1993). "An Illustrated Glossary of Lava Tube Features": 56. {{cite journal}}: Cite journal requires |journal= (help)
  2. ^ Green, Jack; Short, Nicholas M. (1971). Volcanic Landforms and Surface Features. p. 468.
  3. ^ "Nomenclature of Lava Tube Features" (PDF). Vulcanospeleology.org. Retrieved 2017-12-24.
  4. ^ "Cupola". Caves.org. Retrieved 2017-12-24.


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