[1] Yet, by this time, the religious complex in Dume was abandoned (or at least in weak decline): neither the memory of Martin of Braga nor its ancient glory would motivate any new importance.

[2] Around 1747, the Contador de Argote relates the appearance of diverse archaeological vestiges in Dume, casual objects unearthed by local farmers.

[2] However, it was only in 1987 that a formal identification of a Roman villa under the Chapel of Nossa Senhora do Rosário was completed; Luís O. Fontes, a professor at the department of archeology at the University of Minho detailed his findings in the civil parish.

In 1997, the local government (Portuguese: Junta de Freguesia) erected a fence to protect the backyard of the Casa do Assento, whose archaeological structure corresponded to the Roman bathhouse was discovered.

Also discovered: part of a lid of a sarcophagus, the base of columns, arches, fragments of stems, bows and staves, decorated with a herringbone rosettes and, slabs of limestone and marble that include traces of title and lattice grid.

[2][7] The archaeological ruins in Dume encompass a complex of structures that include: a grande Roman villa (with a habitational zone) and bathhouse; remnants of a granite basilica in the form of a Latin cross (oriented east to west);[8] with regularly horizontal aligned deposits in mortar, pavement and polychromatic mosaics; and a necropolis consisting of twelve graves, located in an area defined by granite slabs and/or brick coverage.