The Marajó Basin area presents geologic and geomorphologic features chiefly due to the Mesozoic extension and post-Miocene neotectonics. The extension event with an Early and a Late Cretaceous phases originated four sub-basins that constitutes the Marajó Basin. with a thick continental clastic sequence showing marine influence. NW and NNW normal faults and NE and ENE strike-slip fault... https://smokeaers.shop/product-category/boxes/