However, some fragmentos and two unbroken parts had allowed to establish them a chronology, that if beacon between century XIV and century XV. A water jug is about one cantarinha and, in common ceramics, of folder orange. Of this period they are, also, the fragmentos of tiles Hispanic-Arabs, edge, and with decoration policroma. This structure meets associated to layer 5, layer of argilo-arenaceous matrix, sufficiently wet and untied, of acinzentada coloration. It was, also, observed one another layer, that if assigned for layer 6, composed layer for clear sands, of variant tonalities of the beige, I contend little amount of estate.
This layer seems to be associated to the deposit to aluvionar. The collected estate of this layer was little abundant and revealed little characteristic, presenting some degree of consuming. In extremity NW it was identified to part of a wall, something irregular, and composition for overlapped rocks of great dimension between itself. In material terms none was not collected breaks up in its base, a time that the same seats already in barren layer, composed for sands of the Tejo. Still thus, one was collected next to itself breaks up deep made up for of goblet, vidrada melado and with decoration the chestnut, datvel of Islamic period (century XI). This wall meets implanted on layer 7, arenaceous layer, something untied, and of chestnut-colored coloration.
type ' ' areo' '. On it one meets raised part of the wall ALONE of the pombalino building. To except that these two last layers identified, the 6 and the 7, had been of very difficult hollowing, a time that, had to the fretico level, the soundings were flooded, being necessary the resource the sugadoras bombs. Contemporary of the construction of the building will be the canalization dispatches by post short in the central zone of the excavated area. In the Street of the Commerce, the archaeological works had had beginning after the survey of the floor (in hardened), with resource the pneumatic hammer.