welded tuff
welded tuff, rock composed of compacted volcanic ejecta (see tuff).
This article was most recently revised and updated by John P. Rafferty.
Citation Information
Article Title:
welded tuff
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
14 December 2006
Access Date:
November 13, 2026