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Este trabalho versa sobre a ocupação da região da laguna de Santa Marta, litoral sul catarinense, por grupos construtores de sambaquis. O período considerado vai aproximadamente de 7.5 a 0.9 cal ka aP, ao longo do qual a região esteve continuamente ocupada pelos grupos sambaquieiros. O resultado mostra que a dinâmica do processo de construção de sambaquis na região pode ser dividida em fases, uma de expansão, entre 7.5 e 3.0 ka aP, e outra de retração, de 3.0 a 0.9 ka aP. Ao longo de todo o período percebe-se um padrão de agregação dos sítios, com a região sendo particionada e compartilhada por vários focos de ocupação. Este padrão de territorialidade se manteve ao longo do tempo. Palavras 26 ABSTRACTThis work deals with a study regarding the occupation of the region of Santa Marta lagoon, Santa Catarina southern coast, by sambaqui (shellmound) builders. The time span for such a continuous occupation runs from 7,5 to 0,9 ky cal BP approximately, during which the region was continuously occupied by the sambaquieiros groups. Results show that the dynamics of occupation exhibits two phases, one of expansion, between 7.5 and 3 ky BP, followed by a retraction between 3 and 0.9 ky BP. All through this long-standing occupation sequence, a nucleated settlement pattern can be discerned, with the area partitioned in a number of site aggregates distributed in a non-aleatory territorial pattern. This territorial partitioning has endured over time.

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In the coast of Santa Catarina State (southern Brazil), a large population of monumental shell mounds characterizes a highly dynamic coastal setting. In this paper, sedimentary facies analysis was adapted for description, sampling, and interpretation of shell mound complex and repetitive archaeostratigraphic successions. Archaeofacies identification in the field, according to depositional attributes, is tested by contrasting field description with multi-element chemical analyses, total carbon and nitrogen determinations, and micromorphological descriptions. Two vertical sequences at the black deposit of Jabuticabeira II shell mound were studied and preliminary results showed that: (1) depositional attributes are a reliable base for archaeofacies identification in the field, (2) the formation process of this site involved a sequence of anthropic depositional processes, where burned refuse was redeposited over the shell mound following a ritual construction pattern, and (3) the black deposit includes a double palimpsest that refers to provenance and meaning of mound construction material.