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El objetivo de este trabajo es analizar la existencia de cambios en la forma de utilización de pigmentos en dos sitios en los que se han realizado entierros múltiples en la cuenca superior del río Santa Cruz, a comienzos y finales del Holoceno Tardío. Se efectuaron análisis macroscópicos, con microscopio binocular y de difracción de rayos X. Los resultados obtenidos sugieren la existencia de un cambio en la forma de aplicación de pigmentos entre ca. 3600 y 430 años AP, lo que se suma a las evidencias ya existentes referidas a variaciones en la selección de espacios para realizar las inhumaciones y a la utilización de termoalteración sobre los restos humanos.

The first systematic research on the funerary record at the Río Bote 1 (RB1) rockshelter, located next to the Bote River, a tributary of the Santa Cruz River in southern Patagonia, has revealed at least three human burial events dating to the very early Late Holocene and one dating to the middle Late Holocene. The RB1 site appears to have been used for both subsistence and inhumation activities. All of the burials uncovered postdate the deposition of a prominent volcanic ash layer. Technological information indicates that RB1 was used by groups that were also using spaces to the west and south. Mortuary evidence indicates connections with groups living in areas extending from the Última Esperanza region to the Pali Aike volcanic field, at least at the beginning of the Late Holocene. The selection of the same place for multiple burials may explain why so few human burials are known in southern Patagonia from the beginning of the Late Holocene and earlier periods, as it is possible that sites like RB1 are yet to be discovered.

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