World ocean floors : Pacific ocean ; Indian ocean /

Bibliographic Details
Corporate Author:	National Geographic Society (U.S.). Cartographic Division
Other Authors:	Shupe, John F.
Format:	Map
Language:	English
Published:	Washington, D.C. : The Society, 1992.
Subjects:	Pacific Ocean > Maps. Indian Ocean > Maps. Ocean bottom > Pacific Ocean > Maps. Ocean bottom > Indian Ocean > Maps. Hydrothermal vents > Pacific Ocean > Maps. Plate tectonics > Pacific Ocean > Maps. Plate tectonics > Indian Ocean > Maps.

Description
Item Description:	Relief shown by shading and spot heights. Depths shown by shading and soundings. Includes brief articles on deep sea vents by Michael Kenna and plate tectonics by Carolyn H. Anderson and col. ill. of plate movements throughout time, 2 hemispheres showing existing plate locations and boundaries, block diagram showing the creation of mountains due to plate subduction, world map showing spreading centers and active vents, drawing of ocean floor and sea life around an active vent, and cross-section of seafloor spreading. "Supplement to the National Geographic, June 1992, Page 70A, Volume 181 Number 6 - Pacific/Indian ocean floors." Source for ocean floor relief is General Bathymetric Chart of the Oceans. Relief shown by shading and spot heights. Depths shown by shading and soundings. Cartographic material.
Physical Description:	2 maps on 1 sheet : both sides, color ; each 47 x 61 cm., on sheet 52 x 80 cm., folded to 13 x 16 cm.