The Wandering Continents - A Study Of Rock Magnetism
Sign in to track this film in your collection or want list.
Shows how a study of the residual magnetism in certain old rocks suggests that the magnetic poles have moved extensively in past ages. Discusses this theory.
Related films
Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
- 16mm Filmography (legacy record) — catalog record
Original permalink · Record added 2023-02-27 05:37:24