(Divergent Boundaries)
This is a world physiographic map*, on which I've marked the divergent boundaries in red. Some of them may overlap with Transform Boundaries (which will be discussed shortly) and there are gaps which represent Transform Boundaries as well. To see it, right-click on it and "View Image". It is a very large image.
If you want to see some of the mid-ocean ridges and rises, as well as some convergent boundaries, labeled with their names, click here.
* The data was assembled from Seasat data, which measured (among other things) altitude above the ocean surface. An unexpected use of this data was to show that the ocean's surface topography was a reflection of underlying bathymetry. Where undersea mountains were, their gravity attracted water, making hills in the ocean's surface. Where undersea hollows were, gravity was lower and there were "dents" in the sea surface. This allowed geophysicists to create maps that had previously undiscovered features on the sea floor, and allowed a more precise map of seafloor features than had ever been seen.
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