600-mile long

reef marked for

oil exploration

French

Guiana

Oiapoque

Amapá

Atlantic

Ocean

Boa Vista

Santana

Macapá

Brazil

Amazon

river

200 km

200 miles

French

Guiana

Suriname

600-mile long

reef marked for

oil exploration

Oiapoque

Boa Vista

Atlantic

Ocean

Amapá

Brazil

Santana

Macapá

Belém

Amazon

river

200 km

200 miles