1. A shallow submarine platform of continental crust which is adjacent to the coast and extends from the shore to a depth of about 200 meters (where there is usually a steep descent into the abyssal depths)
The continental shelf is rich in mineral resources and marine life.
A plataforma continental é rica em recursos minerais e vida marinha.
2. The submerged border of a continent, typically extending to a depth of about 600 feet (200 meters)
Many oil and gas deposits are found on the continental shelf.
Muitos depósitos de petróleo e gás são encontrados na plataforma continental.