In Mesoamerica concentrations of stone debitage from archaeological contexts frequently are regarded as being in primary contexts and marking production loci or “workshops.”

Ethnoarchaeological observations of stone- and glass-artifact manufacture and disposal of the resulting waste indicate that in sedentary societies debitage does not remain in primary context at workshops, but rather enters secondary context when it is moved into workshop dumps. Microdebitage, which often is left in place at the production locus, appears to be the most reliable indicator of workshop location.

An awareness of ethnoarchaeological data can facilitate more plausible constructions of past behavior at different stages of the use-life trajectories of durable materials. Present evidence suggests that concentrations of stone debitage from archaeological settlements are secondary deposits and represent workshop dumps, not workshops.

Although Spanish chroniclers referred frequently to coerced migration in the Inca Empire, these migrations have been difficult to document archaeologically. One approach to migration studies, strontium isotope (87Sr/86Sr) analysis, has emerged as an effective technique. Until now, however, this method has not been applied to the Inca heartland region of Cuzco, Peru. In this study, we use strontium isotope analysis to examine patterns of prehistoric migration in the Cuzco Valley. Human dental enamel samples from the Cuzco Valley site of Chokepukio are analyzed and compared to the local 87Sr/86Sr signature established through faunal specimens. Though tentative due to a small sample size, the isotope results do not provide evidence for migration at this site from the time periods preceding the rise of the Inca Empire (200 B.C. to A.D. 1400). In contrast, there is substantial evidence for migration during the time of Inca imperialism (A.D. 1400–1532). Among these migrants, variation in 87Sr/86Sr values suggests that individuals emigrated from geologically diverse locations, while sex differences in the migrant group include a higher percentage of females and a greater diversity in female 87Sr/86Sr values. These data, along with ethnohistoric evidence, reveal how Inca labor policies reconfigured the composition of populations in the imperial heartland.

The recovery of pine (Pinus spp.) charcoal remains from ceremonial contexts at sites in the Maya Lowlands suggests that pine had a significant role in ancient Maya ritual activities. Data collected by the authors reveal that pine remains are a regular component of archaeobotanical assemblages from caves, sites that were used almost exclusively for ritual purposes, and that pine is often the dominant taxon of wood charcoal recovered. Comparisons with archaeobotanical data from surface sites likewise reveals that pine is common in ceremonial deposits. The authors propose that the appearance of pine remains in ceremonial contexts indicates pine was a valued element of Maya ritual paraphernalia. By basing interpretations with analogous information from ethnography, ethnohistory, iconography, and epigraphy, the use of pine during rituals is argued to be have been linked with a symbolic complex of ritual burning and offering “food” sacrifices to deities. The possibility is raised that burning pine, perhaps as torches, during some ancient rituals was similar to the modern use of candles. The diversity of ceremonial contexts yielding pine suggests that burning pine may have been a basic element of ritual activities that was essential to establish the legitimacy of ritual performances.

Differentiating the material patterning between domestic refuse from squatters and ceremonial trash generated from termination rituals has been difficult for Maya archaeologists. Rich floor assemblages, especially from elite contexts, have been interpreted as “decadent” squatter refuse by some researchers and the remains of abandonment rituals by others. The identification and separation of these classes of behavior are essential for interpretations of floor assemblages. In this paper, we examine data from numerous contexts, in order to contextualize the debate over the interpretation of these two models. Ethnoarchaeological, ethnohistoric, and archaeological data indicate that close scrutiny of the context and material composition of such deposits are needed to distinguish these very different classes of behavior.

Based on the results of 267 replication experiments with obsidian, chalcedony, and agate tools conducted with a range of working materials, I have classified use-wear patterns using Keeley's high-resolution approach to establish a framework for interpretation of stone-tool use. This paper describes the results of microwear analysis of two assemblages of lithic artifacts from the late Late Classic period (A. D. 763-850) at Copán, western Honduras, and shows how the use-wear data can be interpreted within the archaeological contexts and help to investigate how ancient complex societies functioned as well as how and why they changed. Microwear analysis of chipped-stone artifacts collected in front of Structure 10L-16 and artifacts from Structure 10L-22A show clear differences between the two assemblages. In accordance with the archaeological, epigraphic, and iconographic evidence, the low use-intensity of chipped stone from the first structure could have originated from special use such as ritual, production of marine shell ornaments, etc., during the reign of Yax Pac. Marine shell craft production may have been carried out by members of the royal family or attached specialists serving the ruler. The relatively high use-intensity observable in the second assemblage may reinforce the hypothesis that the building was a Classic Maya popol na (council house) in which feasts or banquets were prepared. If this was the case, use-wear data might support epigraphic and iconographic evidence that suggests the weakening and eventual demise of centralized political authority at Copán in the ninth century.

Surveys, test pitting, and large-scale excavation carried out since 1975 around the Classic Maya center of Copan, in western Honduras, have yielded a wealth of settlement data. A total of 2,048 obsidian-hydration dates have redefined the Late Classic Coner ceramic phase, showing it to extend well into the Early Postclassic. Sites with Coner ceramics exhibit much more intraphase chronological variation than expected. The Classic “collapse” at Copan was much more protracted than thought previously. There is an abrupt royal collapse at about A.D. 800, but subroyal elite activity continues for another 200 years, and population declines gradually over a period of four centuries.

Long before they devised a written calendar, the Maya articulated their seasons by means of an “orientation calendar” that consisted of visual alignments involving their architecture. One specialized set of buildings, Group Eat Uaxactún, Guatemala, in the Petén lowlands, has been regarded as the prototype of such a calendar. We present new data based on precise measurements made in the field at 12 Group E complexes and obtained for a number of additional sites from reliable maps where on-site astronomical fixes were acquired. Statistical analysis of the resulting 99 alignments supports the hypothesis that, at least at some stage of development, certain of these specialized complexes did indeed function astronomically. The earliest version of the orientation calendar seems to have developed in the Petén; it was focused on the solstices. A later orientation calendar seems to have functioned principally during the season leading up to the onset of rain and crop planting. It consisted of a division of the dry season into 20-day months prior to the first annual passage of the sun across the zenith (approximately May 10 in the Christian calendar). We argue that this later orientation calendar was derived from Teotihuacan during the Early Classic period (A.D. 278–593).

The relation between vessel standardization and ceramic-production scale is firmly entrenched in the archaeological literature. This discussion challenges that relation, arguing that standardization is neither a necessary nor sufficient characteristic of craft specialization. Data gathered among seasonal potters in southern Veracruz, Mexico, demonstrate that product uniformity is easily achieved by nonintensive ceramic producers. The factors contributing to dimensional standardization and their implications for archaeological interpretations of pottery manufacture are discussed.

Las puntas de proyectil Cola de Pescado o tipo Fell I son comúnmente asociadas con las poblaciones que habitaron Sudamérica durante el Pleistoceno Tardío - Holoceno Temprano. La mayoría de estas puntas han sido recuperadas en la región pampeana argentina, Uruguay, Chile central y Patagonia meridional. Se definen por poseer limbo convexo, hombros redondeados, pedúnculo de bordes levemente cóncavos, base cóncava y en algunos casos acanaladura en una o ambas caras del pedúnculo. La presencia de acanaladura y su asignación cronológica han sido propuestas como evidencias para sustentar el vínculo cultural con las puntas tempranas de Norteamérica. Con el objetivo de explorar cuantitativamente las variaciones en forma y tamaño, se aplicaron técnicas de morfometría geométrica a una muestra de 24 puntas recuperadas en Uruguay. Las variaciones morfológicas fueron contrastadas con atributos métricos, procedencia geográfica y tipo de materia prima lítica. Los resultados no sugieren relaciones entre las variables morfológicas, procedencia y tipo de materia prima. Sin embargo, se observa una correlación significativa entre forma y tamaño, lo cual indica una relación alométrica. Finalmente, se discuten los resultados en términos de diseño e historia de vida de los artefactos y sus relaciones con la tecnología de los cazadores-recolectores del Pleistoceno Tardío-Holoceno Temprano.

Activities performed over long periods of time tend to leave soil chemical residues as evidence of those activities. Some of the questions studied in this paper deal with the interpretive capabilities provided by chemical patterns. Soil samples from Cerén, El Salvador, a well-preserved site, were analyzed for extractable phosphorus and heavy metals. We compared in situ artifacts collected from the site with chemical signatures that indicate activity areas. We found that elevated concentrations of phosphorus were associated with food preparation, consumption, and disposal. Heavy metals were associated with the interior of the structure where pigments and painted gourds were found. In this case, where well-preserved, in situ artifacts were available for analysis, we found that chemical analysis was effective in locating human activity areas. Our findings indicate that chemical analysis can be used to guide interpretation in areas of poor artifact preservation with reasonable accuracy, and in archaeological sites that underwent gradual abandonment.

Lagoa Santa, a karstic area in eastern Central Brazil, has been subject to research on human paleontology and archaeology for 175 years. Almost 300 Paleoindian human skeletons have been found since Danish naturalist Peter Lund’s pioneering work. Even so, some critical issues such as the role of rockshelters in settlement systems, and the possible paleoclimatic implications of the peopling of the region have yet to be addressed. We present some results obtained from recent excavations at four rockshelters and two open-air sites, new dates for human Paleoindian skeletons, and a model to explain the cultural patterns observed so far. It is also argued that the Paleoindian subsistence system at Lagoa Santa was similar to other locations in South America: generalized small-game hunting complemented by fruits, seed, and root gathering.

The nature of the adjustments made by the steadily increasing population of central coastal Peru in the Middle through Late Preceramic time periods can be examined by careful study of bioindicators. Nonspecific indicators of stress (NSIS) preserved in human remains provide independent evidence for validating paleodemographic hypotheses. If life expectancy improves over a period of time, one expects diminished indication of nonspecific stress. Decreasing stress over time also may imply increasing fertility in precontraceptive peoples, which, along with declining mortality, would lead to population growth. However, the converse does not follow; populations may grow over time whether responding to increasing, stable, or decreasing stress. Other factors, such as changing subsistence strategies or hybrid vigor, also may be useful in explaining diminished indications of either nonspecific stress or population increase. The complex relations among (a) population structure and density (PSD), (b) nonspecific indicators of stress, and (c) diet have not yielded deductions that could form a universal set of expectations. However, several kinds of adaptation that are distinct with respect to population growth and health status are considered and illustrated with analyses of 201 skeletons from the preagricultural village of Paloma in central coastal Peru.

The emergence of public architecture in Peru's central highlands occurred during the mid-first millennium B. C. and is correlated with the expansion of the Chavín sphere of interaction. Atalla, a high-altitude site in Huancavelica, represents one of the first known centers with large-scale masonry constructions. Analysis of the ceramic assemblage reveals many similarities between the local ceramics and the Janabarriu phase pottery from Chavín de Huántar, located 450 km to the north. The inhabitants of Atalla emulated the ceramic style and cut-stone masonry of the much larger northern civic-ceremonial centers, like Chavín de Huántar, while maintaining local traits such as circular dwellings and burials in or adjacent to domestic architecture. Utilizing a core-periphery perspective, the unprecedented formation in the central highlands of a community like Atalla is hypothesized to be an independent response to demands for exotic goods from the more complex societies to the north. The largest mercury deposits in Latin America are located 15 km to the west of Atalla, and the center would have been in an excellent position to procure cinnabar and distribute this bright red vermilion pigment. Production of the pigment itself would have occurred at small villages like Chuncuimarca located in the zone of the mercury deposits.

The analysis of decorated pottery across house mounds at the lowland Maya site of Xunantunich in Belize investigates the complex relationships between wealth, social status, and political strategies in state-level societies. Rather than using the distribution of decorated pottery as an indicator of social status, this study treats it as an independent variable and illustrates how prestige goods circulated as political currency to further political ambitions. Two social strata and the two ranks within each stratum are defined by architectural complexity and intersite location of house mounds at the Late Classic II (A. D. 670 to 790) to Terminal Classic (A. D. 790 to 1000) provincial center of Xunantunich and its nearby hamlet, San Lorenzo. During the Late Classic II phase, elaborately decorated pottery was found concentrated in elite households in the civic center, whereas during the Terminal Classic, when Xunantunich was in the process of collapse, they were found dispersed equally among all house mounds. I suggest that local elites, to maintain power, abandoned rival displays of prestige goods and attempted to consolidate community support by gifting luxury items down through the social hierarchy. This article, therefore, seeks not only to craft a clearer definition of wealth, but to build a model of when and how prestige goods function as a means to promote political strategies in state-level societies.

We examine the ways that textile production, exchange, and consumption were integrated into the political economy of the Gulf lowlands, Mexico, over the course of two millennia. Archaeological, botanical, and historical data concerning cotton textile production reveal that changes in the industry resulted from alterations in the cotton plant, shifts in the local political economy, and changes in the relationship of the Gulf lowlands to other key regions of Mesoamerica. Initially, textiles did not figure prominently in social displays, and there is little archaeological evidence for spinning of cotton thread. Subsequently, textile production may have been stimulated by elite substitution of locally crafted items for increasingly scarce exotic imports toward the end of Olmec times in the Preclassic period. The political and cultural stature of the Gulf lowlands increased during the Classic period in conjunction with a greater emphasis on cotton processing and use of textiles. During the Postclassic period, ruralization of once-key localities and possible conversion of the western lower Papaloapan Basin to a tributary status correlated with changes in the attributes of whorls and in representations of textiles.

The recent discovery of a cache of 48 Nasca severed heads provides archaeologists with the largest-known associated and provenienced corpus of this material. Although recovery of the skulls was conducted as a salvage operation and the wider spatial context of the find is still unknown, preliminary physical anthropological analysis of the skeletal material, along with archaeological comparison of the cache, provide valuable information on the nature and role of head-hunting in ancient Nasca society of the south coast of Peru.

Ancient sources of salt have been revealed by underwater archaeology along the south coast of Belize. A relative rise in sea level of about 1 m at the end of the Classic period (ca. A. D. 900) submerged ancient Maya settlements and transformed the modern landscape by reducing the amount of available land and by changing the vegetation. The discovery of submerged archaeological sites and their dating by associated ceramics and radiocarbon date determination documents the sea level rise. Salt production by the sal cocida or boiling method at the underwater site of Stingray Lagoon and at other specialized salt production sites provided salt for coastal use and inland transport and diminished the need for long-distance import of this basic human requirement. This paper describes salt-making artifacts as well as salt production. The lack of animal bones at the Stingray Lagoon site where other organic material was preserved indicates that salt was not produced for salt-drying fish. Evidence that salt was obtained from the Belizean coast instead of from the northern Yucatán coast is in line with the view of ancient Maya economy in which basic subsistence resources were produced locally whereas long-distance trade was concentrated on elite or ceremonial resources and goods.

Mortuary practices reveal a great deal about the social organization of prehistoric cultures and their landscape of places. However, tombs are favored targets for looters, making it difficult to determine original burial practices. Very little was known about Wari burial during the Middle Horizon (A.D. 500–1000), even though Wari was an imperial, early Bronze Age culture with a spectacular urban capital in highland Peru. Excavations at the secondary Wari city of Conchopata produced remains of more than 200 individuals, from disturbed and undisturbed contexts. These burials as well as information from other sites permit an initial description of ideal patterns of Wari mortuary behavior. The forms abstracted reveal graves ranging from poor and ordinary citizens to royal potentates, supporting inferences of hierarchical political organization. It is also clear that the living accessed graves of important people frequently, implying some form of ancestor worship. However, unlike the later Inkas, Wari ancestors were venerated in their tombs, located deep within residential compounds and palaces.

This paper examines the archaeological and biological evidence for shifts in human subsistence strategies during the transition from hunting and foraging to maize agriculture as posited in the Río Balsas, or lowland origin of maize, model and the Tehuacán, or highland origin of maize, model. These are two different interpretations of the genetic evidence for the ancestry of maize, the archaeological evidence for plant exploitation, and the ecological evidence for paleoenvironments and climate change in the two regions. In contrast to Panama, where there is good evidence for progressive intensification of human forest disturbance by 10,000 B.P., horticultural forest clearing by 8000 B.P., and slash-and-burn agriculture by 6000 B.P., the evidence for Mesoamerica, where maize agriculture originated, fits a different picture of biocultural evolution. The lowland regions of Mexico, Guatemala, Belize, and probably Honduras, were apparently undisturbed, semi-evergreen forests around 10,000 B.P. New findings from experimental maize genetics, combined with the comprehensive archaeological picture from Tehucán, Oaxaca, Tamaulipas, and the Valley of Mexico, support a highland Mesoamerican origin of maize.

For nearly a century, scholars have used astronomical evidence to explain the Lowland Maya architectural type known as “E-Groups” as solar observatories and, by extension, as locations for rituals related to solar and agricultural cycles. This article departs from the usual focus on the observational properties of E-Groups and places them in the context of early Maya monumentality during the Middle Preclassic period. Specifically, E-Groups are seen as the earliest monumental social spaces in the Maya Lowlands, with multifaceted functions and placements that indicate a shared social map of the landscape. Geographic information systems viewshed analysis of Middle Preclassic E-Group sites demonstrates that populations constructed E-Groups in places that maximized visibility of the nearby landscape. Viewsheds conducted at sites with Middle Preclassic E-Groups in the central Maya Lowlands suggest that the large plazas and similar monumental architecture represent the centers of comparable, mutually visible communities. Settlers founding these communities consciously created distance from neighboring monumental centers, perhaps as means of defining and buttressing group identity and undergirding spatial claims to political authority. Recent archaeological evidence affords clues that such spaces were civic, allowing architectural settings for social gatherings and access to resources.