In the semiarid environment of the Fuegian steppe (Argentina), shallow lakes were intensively exploited by hunter-gatherers throughout the Holocene. The archaeological record concentrated along their shoreline frequently reports the first stages of the lithic reduction sequence. In this article, we consider rock availability at different coastal sectors in Lake Amalia. The data focus on the size and weight of the cobbles used as raw material (in Lake Amalia and nearby locations), aiming to compare transported material and that which is spatially located. We analyze information regarding the role played by shallow lakes in the exploitation of steppe environments and their importance in hunter-gatherers’ mobility. We suggest that raw material frequency, size, and spatial distribution have conditioned space-use patterns in the Fuegian steppe. The Amalia locality study case sheds light on recurrent visits to specific places in these landscapes.
