Two outcrops (Af1 and Af2) belonging to the depositional shark sequence (Rio Bonito and Palermo Formations) and three drilling holes (DU-03-RS) were chosen for the study of the easy sediments of the Borrocada region. , DU-06-RS and SD-06-RS) drilled by the Mineral Resource Research Company (CPRM-Regional Superintendence of Porto Alegre), the first two belonging to the DNPM / CPRM agreement and the third to the São Sepé Project
