Coral reef found in Amazon drilling area Scientists aboard a Greenpeace ship have discovered that a massive coral reef near the mouth of the Amazon extends further than thought, overlapping areas where French company Total plans to drill for oil AMAZON REEF: 1,000km long and covering 56,000 sq km – six times larger than earlier estimate Area documented after discovery in 2016 – 9,500 sq km OIL EXPLOITATION: Group including Total, Britain’s BP and Brazil’s Petrobras acquired rights to five exploration blocks in Amazon mouth basin in 2013 Some geologists say area could hold up to 14 billion barrels of oil – more than entire proven reserves in Gulf of Mexico Greenpeace says newly found reef extension overlaps perimeter of Total’s oil blocks Amazon Reef is unique biome that includes giant sponges and rhodoliths – calcareous algae that form habitat for reef creatures It is also thought to contain dozens of undiscovered species Environmentalists say it would be irreparably damaged if drilling for oil begins 125 miles 200km Macapá Amapá Belém São Luís FRENCH GUIANA BRAZIL Sedimentary basin Amazon River mouth Amazon River Sources: Greenpeace, Science Advances, Total Picture: Greenpeace © GRAPHIC NEWS