description Brazil Basin Overview
The Brazil Basin is a broad deep-ocean depression in the western South Atlantic Ocean, lying off the eastern coast of South America and west of the Mid-Atlantic Ridge. Its seafloor contains abyssal plains and sediment-filled areas, and it is bordered or interrupted by major underwater rises and ridges, including the Rio Grande Rise farther south. The basin is a geographic unit used in marine geology and oceanography to describe the deep Atlantic floor and its sedimentary record.
help Brazil Basin FAQ
Where is the Brazil Basin located?
The Brazil Basin is a broad deep-ocean depression in the western South Atlantic Ocean. It lies off the eastern coast of South America and west of the Mid-Atlantic Ridge.
What is found on the floor of the Brazil Basin?
Its seafloor includes abyssal plains and sediment-filled areas. These deep, relatively flat regions are part of the basin's broader ocean-floor structure.
What major feature borders the Brazil Basin?
The Mid-Atlantic Ridge lies to the west of the basin. The basin is also associated with the deep ocean off eastern South America and includes areas interrupted or bordered by major undersea features.
Why is the Brazil Basin important in ocean geography?
It is a large deep-ocean depression that helps describe the shape of the western South Atlantic seafloor. Its abyssal plains, sediments, and relationship to the Mid-Atlantic Ridge make it a useful geographic unit for studying ocean basins.
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