Sr–Nd isotopic constraints on carbonates, conodonts, and brachiopods of Early-Middle Pennsylvanian Itaituba and Nova Olinda formations, Amazonas Basin, Brazil - Koester, Edinei; Scomazzon, Ana Karina; Kawashita, Koji; Macambira, Moacir José Buenano; Moutinho, Luciane Profs; Nascimento, Sara; Lemos, Valesca Brasil; Nogueira, Afonso César Rodrigues; Silva, Pedro Augusto Santos da; Rojas Mantilla, Andrés Felipe (Journal of South American Earth Sciences, 2021)