Paleoenvironment, chemostratigraphy, and age of Pennsylvanian carbonate platform succession of the Amazonas basin, northern Brazil, Uruará region

1. de Campos da Costa, A.C.P.P.
2. Macambira, M.J.B.
3. da Silva, P.A.S.
4. Pereira, E.
5. Nogueira, A.C.R.