World Ocean Floor map

E42375

The World Ocean Floor map is a pioneering cartographic depiction of the seafloor that revealed the detailed topography of mid-ocean ridges and trenches, providing key visual evidence for the theory of plate tectonics.


Statements (50)
Predicate Object
instanceOf cartographic map
oceanographic map
thematic map
associatedWith Columbia University
Lamont-Doherty Geological Observatory
basedOn bathymetric soundings
gravity data
magnetic anomaly data
seismic data
ship-based echo sounding data
colorScheme hypsometric tints
depicts abyssal plains
continental margins
fracture zones
global seafloor topography
mid-ocean ridges
oceanic trenches
seamounts
geographicCoverage Arctic Ocean
Atlantic Ocean
Indian Ocean
Pacific Ocean
Southern Ocean
hasAuthor Bruce C. Heezen
Marie Tharp
hasIllustrator Heinrich C. Berann NERFINISHED
hasTitle The World Ocean Floor
language English
notableFor first detailed global portrayal of ocean floor relief
influential role in acceptance of plate tectonics
providedEvidenceFor continuous global mid-ocean ridge
subduction at ocean trenches
symmetry of oceanic crust about ridges
young age of oceanic crust near ridges
publicationYear 1977
publishedIn National Geographic Magazine
scale small-scale world map
shows Rift Valley along mid-ocean ridges
bathymetric contours
global mid-ocean ridge system
subduction zones
three-dimensional perspective of seafloor
transform faults
supportedTheory plate tectonics
seafloor spreading
usedIn geology education
oceanography education
popular science communication
visualStyle oblique perspective
panoramic painting

Referenced by (3)
Subject (surface form when different) Predicate
World Ocean Floor map ("The World Ocean Floor")
hasTitle
Bruce C. Heezen ("Heezen–Tharp physiographic maps of the ocean floor")
knownFor
Marie Tharp
notableWork

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