A groundbreaking study has employed a new imaging technique to uncover intricate tattoos on mummies from the Chancay culture of Peru. This pre-Columbian civilization thrived from approximately A.D. 900 until 1533, primarily along the central coast of Peru. Renowned for their distinctive black-on-white ceramics and textiles, the Chancay people also showcased their artistic prowess through elaborate tattoo designs, which have been largely overlooked in historical studies.
The innovative method, known as laser-stimulated fluorescence (LSF), enables researchers to reveal details that traditional ultraviolet (UV) light examinations might miss. By analyzing over 100 mummified remains, the study demonstrated the potential of this technique to highlight the cultural significance of tattoos and the skill of Chancay tattoo artists.
Kasia Szremski, an archaeologist at the University of Illinois Urbana-Champaign, emphasized the importance of these findings, stating, "While we still don't know what these tattoos mean, their intricate nature does tell us that the Chancay had tattoo artists!" The tattoos featured intricate designs reminiscent of vines and animals, crafted using a puncture method where each ink dot was meticulously placed by hand.
The research team discovered three particularly detailed tattoos during their analysis, enhancing the understanding of the Chancay culture's social organization. According to Szremski, the artistry involved in these tattoos was not commonplace: "It isn't something that just anyone could have done." This suggests that tattooing may have held a special status within the society, aligning with patterns observed in other cultures where tattoos signify rank or identity.
The LSF technique works by causing tattooed skin to fluoresce bright white, allowing the carbon-based black ink to stand out distinctly. This method provides a clearer picture of ancient tattoos, revealing artistic milestones that can be further explored in the context of other ancient cultures. Co-authors Michael Pittman and colleagues remarked on this potential, stating that LSF "has the potential to reveal similar milestones in human artistic development through the study of other ancient tattoos."
Despite the promising insights, some experts note limitations in the study. Aaron Deter-Wolf argued that the authors did not provide sufficient details about why LSF is superior to other methodologies, and he criticized the research for not significantly advancing the understanding of ancient Andean cultural practices.
In addition to enhancing archaeological knowledge, understanding Chancay tattoos could help discern different classes or statuses within their society. Szremski pointed out that "by better understanding what Chancay tattoos look like, we can start looking for patterns that may help us identify different types, classes or statuses of people." This analysis opens doors to further exploration into the social complexities of the Chancay civilization.
The study was published in the journal PNAS on January 13, marking a significant step forward in archaeological research concerning ancient Peruvian cultures.