document: The energy ministry has plans for a new round designated Litoral in which blocks 3, 4, 39 + 40 in the Progreso, BorbÃ³n + Cayo basins would be offered, too early for details. Past data however suggests blocks 3 + 4 (3,000 sq km) are in the transition zone, Â block 39 (3,850 sq km) and block 40 (4,000 sq km) lie in WD 100-2,000m, the latter on the Peru border.
summary: The energy ministry has plans for a new round designated Litoral in which blocks 3, 4, 39 + 40 in the Progreso, BorbÃ³n + Cayo basins would be offered, too early for details. Past data however suggests blocks 3 + 4 (3,000 sq km) are in the transition zone,  block 39 (3,850 sq km) and block 40 (4,000 sq km) lie in WD 100-2,000m, the latter on the Peru border.