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The investigation of Structure 10L-26 has revealed a series of sequent monumental constructions underlying the elaborate final phase temple/pyramid made famous by the Maya area's largest hieroglyphic stairway. The meticulous recording and analysis of the archaeological, architectural, hieroglyphic, and iconographic materials from this sequence of sculpture-adorned buildings provides the opportunity for a diachronic view of the nature of the historical record and political symbolism. Investigations conducted to date provide hieroglyphic and archaeological evidence in support of the sequence of rulers documented in the official histories of the last four rulers of Copan, and evidence of a dramatic shift in the use of this space, and of political symbolism in general, by the fifteenth king, Smoke Shell. While the lack of evidence for “re-writing of history” will be encouraging to many, the evidence also shows the need for a careful assessment of official histories by archaeological excavations. Just as important, the Copan Acropolis research demonstrates the usefulness of incorporating ideas and data derived from the careful scrutiny of the public monuments in ongoing archaeological investigations and model building.
Much stone sculptural and architectural heritage is crumbling, especially in intense tropical environments. This is exemplified by significant losses on carvings made of tuff stone at the Classic Maya site of Copan. Here we demonstrate that Copan stone primarily decays due to stress generated by humidity-related clay swelling resulting in spalling and material loss, a damaging process that appears to be facilitated by the microbial bioweathering of the tuff stone minerals (particularly feldspars). Such a weathering process is not prevented by traditional polymer- and alkoxysilane-based consolidants applied in the past. As an alternative to such unsuccessful conservation treatments, we prove the effectiveness of a bioconservation treatment based on the application of a sterile nutritional solution that selectively activates the stone´s indigenous bacteria able to produce CaCO3 biocement. The treatment generates a bond with the original matrix to significantly strengthen areas of loss, while unexpectedly, bacterial exopolymeric substances (EPS) impart hydrophobicity and reduce clay swelling. This environmentally-friendly bioconservation treatment is able to effectively and safely preserve fragile stones in tropical conditions, opening the possibility for its widespread application in the Maya area, and elsewhere.
From Moctezuma’s zoo to animals kept in captivity at Teotihuacan, there is increasing evidence that Mesoamericans managed wild animals for a myriad of purposes. The present study situates ritualized animal management of highly symbolic fauna in the broader context of Classic Mesoamerica by examining another core site, the Maya center of Copan, Honduras (A.D. 426–822). In this study, we identify two animal populations among the faunal remains from public and private rituals spanning the Copan dynasty. One population, with diets heavily composed of atypically sourced C4 inputs indicative of artificial feeding, corresponds with the felids interred in Altar Q and Motmot caches. The second population is composed of felids and felid products bearing a predominance of C3 signatures indicative of a more natural dietary regime. As with Copan deer, species-specific δ18O variations within these felid populations further substantiates the postulation that an expansive faunal trade network operated throughout the greater Copan Valley and beyond. Animals routed from sites of capture into the mesh of this network would have been processed into pelts, venison and other secondary goods or delivered alive to centers of state power for ritual usage and display. Our data reveal that at Copan, wild animals were routinely brought into intimate contact with human settlements to be managed and physically manipulated in a variety of ways in order to fulfill ritual and symbolic purposes.
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