Ancient Lowland Maya neighborhoods: Average Nearest Neighbor analysis and kernel density models, environments, and urban scale

Many humans live in large, complex political centers, composed of multi-scalar communities including neighborhoods and districts. Both today and in the past, neighborhoods form a fundamental part of cities and are defined by their spatial, architectural, and material elements. Neighborhoods existed in ancient centers of various scales, and multiple methods have been employed to identify ancient neighborhoods in archaeological contexts. However, the use of different methods for neighborhood identification within the same spatiotemporal setting results in challenges for comparisons within and between ancient societies. Here, we focus on using a single method—combining Average Nearest Neighbor (ANN) and Kernel Density (KD) analyses of household groups—to identify potential neighborhoods based on clusters of households at 23 ancient centers across the Maya Lowlands. While a one-size-fits all model does not work for neighborhood identification everywhere, the ANN/KD method provides quantifiable data on the clustering of ancient households, which can be linked to environmental zones and urban scale. We found that centers in river valleys exhibited greater household clustering compared to centers in upland and escarpment environments. Settlement patterns on flat plains were more dispersed, with little discrete spatial clustering of households. Furthermore, we categorized the ancient Maya centers into discrete urban scales, finding that larger centers had greater variation in household spacing compared to medium-sized and smaller centers. Many larger political centers possess heterogeneity in household clustering between their civic-ceremonial cores, immediate hinterlands, and far peripheries. Smaller centers exhibit greater household clustering compared to larger ones. This paper quantitatively assesses household clustering among nearly two dozen centers across the Maya Lowlands, linking environment and urban scale to settlement patterns. The findings are applicable to ancient societies and modern cities alike; understanding how humans form multi-scalar social groupings, such as neighborhoods, is fundamental to human experience and social organization

Thinking Outside the Comfort Zone: Implementing Debates in an Online Anthropology Course

The debate technique has the potential to encourage students to critically think and engage in anthropology courses in higher education. But debates can be challenging, especially when taking place in an online environment. This article presents the implementation of a debate in a high-enrollment, online archaeology course. Mainly, we seek to answer these questions: (1) How did students perceive their critical thinking, engagement, and interaction while participating in the online debate? (2) What was the instructor’s experience related to the quality of student responses as well as the grading time and effort? At the conclusion, we offer recommendations for educators interested in incorporating debates into their own practice

An Atlas Of Paste Fabrics And Supplemental Paste Compositional Data From Late Middle Preclassic-Period Ceramics At The Maya Site Of Holtun, Guatemala

This data article contains an atlas of paste fabrics and supplemental paste compositional data generated from Late Middle Preclassic-period ceramics at the Maya site of Holtun, Guatemala. The data include maps showing locations of archeological contexts, excavation profiles, photographs and photomicrographs of sherds and paste fabrics, and compositional data produced by Neutron Activation Analysis (NAA) at the Research Reactor, University of Missouri (MURR). The NAA data include a biplot and table of canonical discriminant analyses, Mahalonobis distance calculations, and Euclidian distance searches between the samples

Chemical Paste Characterization Of Late Middle Preclassic-Period Ceramics From Holtun, Guatemala And Its Implications For Production And Exchange

This study uses type: variety-mode classification, digital stereomicroscopy, and Neutron Activation Analysis (NAA) to characterize the paste composition of Late Middle Preclassic-period pottery at the site of Holtun, Guatemala. The sample consists of 98 sherds including unslipped utilitarian ware, slipped serving ware, and Mars Orange fine paste serving ware. NAA reveals four paste composition groups that approximate types produced through type: variety-mode classification and paste groups recognized by digital stereomicroscopy. The analysis suggests a pattern of production in which unslipped utilitarian vessels, slipped serving vessels, and Mars Orange fine paste serving vessels were produced using different paste recipes. While unslipped utilitarian vessels and slipped serving vessels may have been produced and consumed locally, Mars Orange fine paste serving vessels were likely produced in or around Holtun but consumed more widely. Results of this research suggest the Late Middle Preclassic-period ceramic economy at Holtun was characterized by incipient specialized production, and exchange of at least one ceramic ware. These results advance our understanding of Late Middle Preclassic-period ceramic production and exchange at Holtun, and inform the study of the development of socio-political complexity in the Maya lowlands

Complementary scientific techniques for the study of Mesoamerican greenstone objects

Abstract Jade and greenstone objects have been held in high regard by many cultures stemming from their limited geological availability and their unique optical and mechanical properties. Jade and greenstone objects symbolized life, fertility, and eternity to early Mesoamerican people. In recent years, scientific studies on jade and greenstone objects have been performed to establish provenance and usage, identify composition, and verify the presence of a particular material. These studies of jade and greenstone objects are generally divided geographically, with considerable interest in China and Central America. Most studies are focused on objects from one particular archaeological site; however, a few studies have focused on collections from a range of sites. The use of multiple complimentary analytical techniques has been shown to be the most effective method for characterizing and understanding the technical information obtained from cultural heritage objects. In our study, we examine a set of Mesoamerican jade and greenstone objects from the collection at the Dallas Museum of Art using multiple non-destructive techniques, including scanning electron microscopy with energy dispersive spectroscopy, Raman spectroscopy, X-ray diffraction, and handheld X-ray fluorescence spectroscopy. We briefly discuss the advantages and disadvantages of each technique. Lastly, we present the results from our study and discuss them in their archaeological and historical context