But using the $200-per-month fee as an example, training for the Boston Marathon 22 weeks in advance â which is how long the BAAâs Boston Marathon training plan is for all four levels â could cost roughly $1,100 if you hire a running coach.
ocean basin. (geology). The great depression occupied by the ocean on the surface of the lithosphere. 1  Facebook. 2  Twitter.
The structure of the ocean basins. If you removed all the seawater and looked at the edge of a typical ocean basin, this is what it would look like in profile: The continental shelf. Nearest to the land, there is an area of the continental landmass which is covered by the sea - this is called the continental shelf.