(“solid Floor”), made up of layers of alluvial soil that were deposited around 2.5 million several years back and subsequently uplifted to positions over flood level. Shallow oxbow lakes and wetlands are located all through the area. Arco do desflorestamento or serra amazônica — Acknowledged in its location as the https://bettaso.com/userinfo.php?op=userinfo&mod=space&do=profile&userinfo=keenan.ertel-451693&from=space