As ruínas do forte de São Francisco da Laje

This essay offers a conservation diagnosis and characterization from the ruins of “Forte de Sao Francisco” (San Francisco’s War Fort), situated in the city of Recife, capital of Pernambuco - Brazil, have recourse to the methodology and techniques of Historical Archaeology; making using of archaeometry it was identified the basic elements of the build and of those agents that are causing its degradation, making clear of how important is the work to preserves it’s both ruins and the collective memory of this build of historic and national interest. As result it was possible to obtain a chemical and mineralogical characterization, a microscopic morphology of the masonry material, it was also identified the current pathologies using the assistance of Aerial Photogrammetry tool for registering and safekeeping of the asset/heritage Buildings.