The Roboré Microcontinent, Sw Amazonian Craton: New Insights on the Orosirian-Ectasian Crustal Evolution from U-PB Geochronology and Isotopic Constraints

Ramiro MatosWilson TeixeiraAmarildo Salina RuizJorge Silva BettencourtMauro César GeraldesGabriela Vargas-Mattos2026-03-222026-03-22202210.2139/ssrn.4277972https://doi.org/10.2139/ssrn.4277972https://andeanlibrary.org/handle/123456789/72647enGeochronologyAmazonianCratonGeologyGeochemistryEarth scienceThe Roboré Microcontinent, Sw Amazonian Craton: New Insights on the Orosirian-Ectasian Crustal Evolution from U-PB Geochronology and Isotopic Constraintsarticle