Topographic Map Of Ocean Floor: Web topographic maps show the physical shape of dry land using elevation values. Red and yellow colours indicate less than 2,000 m depth; Web the ocean floor is almost entirely underlain by mafic oceanic crust (mostly basalt and gabbro, as described in more detail below),.

Topographic Map Of Ocean Floor

Web common features of the seafloor and coastline. A flat region of deep ocean basins. Web topographic maps show the physical shape of dry land using elevation values.