Related Overviews


'lithophysae' can also refer to...


More Like This

Show all results sharing this subject:

  • Earth Sciences and Geography


Show Summary Details

Quick Reference

Concentric shells of aphanitic material enclosing a hollow core, which form rounded masses a few centimetres in diameter within glassy or aphanitic, felsic igneous rocks. The hollow, lithophysal core is sometimes filled by secondary silica to form a geode.

Subjects: Earth Sciences and Geography.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.