The Salobo project area is located in the Tapirapé-Aquiri National Forest (FLONATA) in the municipality of Marabá, southeast Pará State. The ceramic material analyzed comes from the Bitoca 1 and Dique BF2 sites, located in the area of the Finos Dam of the Salobo creek. This paper aims to demonstrate the methodological procedures used for analyzing ceramic material in the laboratory, highlighting the types of decoration on it. The laboratory activity began with the cleaning of the ceramic fragments, the separation of body, rim, base and the type of surface treatment (plain or decorated). Afterwards the antiplastic, firing, thickness, dimensions, type of decoration were identified and the ceramic fragments were counted. A total of 2211 fragments of simple bodies were quantified, and as for the types of decoration, they were distributed as 166 corrugated, 34 incised, 5 excised, 19 brushed, 7 ungulate, 4 rolled, 7 ungulate, 8 scraped, 10 fluted, and 78 fragments with red paint. Regarding the borders, 249 simple fragments were found, besides 8 decorated fragments, being: 1 anointed, 1 typed, 2 carved, 3 incised, 1 excised; as for the bases, a total of 21 simple and 4 corrugated. The most commonly used antiplastic was crushed rock, and the predominant type of decoration was corrugated, characteristics related to the Tupiguarani archaeological tradition. According to Prous (1991) the diagnostic element of the Tupiguarani culture is the pottery, revealing its diversity through its composition and the different decoration techniques, providing subsidies for archaeological studies on the formation of the Tupiguarani tradition.
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