This is a Spanish-language master's thesis in the archaeology of hunter-gatherers from 7500 BCE in the desert of Atacama, Chiu Chiu province of Antofagasta in Chile.

The site is comprised of lthic implements of different use, size and formats, including volcanic rock, basalt, obsidian, and shell. Implements are described in 16 typologies by use, in a tachymeter system of 30 squared shapes. 2000 items are currently kept in the Archaeology Department of the Museum of Natural History in Santiago, Chile.

This work was completed by UC Berkeley graduate Ines Gomez Monreal at the University of Chile, Santiago, in 1963 and is uploaded with her permission.