volcanic glass: References & Edit History
More Articles On This Topic
Article Contributors
Primary Contributors
-
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: Academia - A Cryptoendolithic Community in Volcanic Glass. | Apr 25, 2016 | ||
| Photograph depicting obsidian boulders added. | Apr 04, 2011 | ||
| Updated geologic time data. | Sep 11, 2009 | ||
| Media added. | Aug 07, 2009 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: