Open-Air “Adena” Paired-Post Ritual Features in the Middle Ohio Valley: A New Interpretation

Circular paired-post structures have been recognized as a quintessential trait of the “Adena” concept. Although once thought restricted to ritual contexts beneath burial mounds, work over the last 30 years has identified several open-air structures in contexts apart from burial mounds or ditches. Uncluttered by overlapping features, open-air examples present a unique opportunity to document the initial roles played by these features. Currently, no unequivocal evidence for mortuary processing has been found directly associated with open-air paired-post structures. This fact calls into question the prevailing belief that most of these features were used to process, or prepare, the dead. Instead, a more reasonable interpretation is that these structures were involved in rituals minimally related to, or entirely devoid of, mortuary activity.     

The decline of Magan and the rise of Dilmun: Umm an-Nar ceramics from the burial mounds of Bahrain, c.2250–2000 BC

This article outlines some general aspects of the Magan and Dilmun trade and goes on to examine the Umm an-Nar pottery discovered in the tombs of the Early Dilmun burial mounds of Bahrain. These ceramics are of particular interest because they indirectly testify to Dilmun's contact with Magan in the late third millennium. In this article, thirty vessels of seven morphological types are singled out. By comparison with the material published from the Oman peninsula the Bahrain collection is tentatively dated to c. 2250–2000 BC. The location of the Umm an-Nar pottery within the distribution of burial mounds reveals that its import was strongly associated with the scattered mounds of Early Type. It is demonstrated that the frequency of Umm an-Nar pottery declined just as the ten compact cemeteries emerged c. 2050 BC. The observed patterns are seen as a response to the decline of Magan and the rise of Dilmun.     

The Possible Advantage of Living in Turf Houses on Settlement Mounds

Abstract

Before timber and stone houses were introduced to northern regions, varieties of turf houses were the most commonly used architecture. These houses had a wooden structure encapsulated in a shell constructed of grass turf. The different ethnic groups of the north built their houses in different styles and constructions, but the general principle was the same. The Norse of North Norway and also on the North Atlantic islands had a tendency to build their houses on top of the ruins of previous houses. After a few centuries this arrangement produced a settlement mound of highly organic soil. In the research literature, both the turf architecture and the settlement mounds have been described as adaptations to and a function of marginality and lack of timber. This paper reports an effort to test the idea that turf houses on top of settlement mounds may have been a finely tuned ecological system that made use of the capacity of organic soil to produce heat.     

Electrical Resistivity Tomography with Angular Separation for Characterization of Burial Mounds in Southern China

The study aims at providing the spatial distribution and potential structure of the burial mounds at the Sifangling site, Hepu Han Tombs, in southern China. We implemented an electrical resistivity tomography (ERT) technique to obtain high‐resolution imaging of archaeological targets, considering the challenging environment and the depth of the burials. Three ERT profiles were tested above a small ancient mound previously detected by exhaustive archaeological drillings, following which 18 ERT profiles with angular separation were performed on the largest mound at the test site, without any a priori archaeological evidence below the surface. Then, a series of two‐dimensional (2D) profiles were combined as a ‘pseudo‐3D’ volume, which allowed a detailed characterization of the burial mound, and iso‐resistivity surfaces were also calculated to emphasize the location and spatial extent of the target. The results gave an effective identification of the funeral chamber and its structural details, and allowed detailed pre‐excavation planning.     

The First Record of a Pre‐Columbian Domestic Dog (Canis lupus familiaris) in Brazil

Archaeological excavations of the PSG‐07 earthen mound at Pontal da Barra in Rio Grande do Sul, southern Brazil have revealed the earliest known evidence for the presence of domestic dog (Canis lupus familiaris ) in Brazil. This is the first reported pre‐Columbian example in the country. Analysis of morphology, morphometry, and dental enamel laminae identified a left maxillary molar 1, left maxillary molar 2 and attached fragments of the maxilla of C. l. familiaris . A direct radiocarbon date on a fragment of the maxilla provided an age range between 1701 and 1526 cal BP (2σ). This is within the range of other dates for the site, which indicate intermittent occupation between 2024 and 1027 cal BP (2σ). Data from carbon isotope analysis indicates a potential marine diet. However, nitrogen isotope analysis values are lower than expected for a marine diet. The sparse records of pre‐Columbian C. l. familiaris in the region emphasise the importance of the present work. Copyright © 2016 John Wiley & Sons, Ltd.     

Debating the Age of Serpent Mound: A Reply to Romain and Herrmann’s Rejoinder to Lepper Concerning Serpent Mound

The debate over the age of Serpent Mound (33AD01) is important because without a cultural context it is impossible to make meaningful statements about what this monumental effigy mound might have meant to its builders. In this response to Romain and Herrmann’s rejoinder, we clarify the provenience of the samples, which yielded the radiocarbon dates that contribute to our argument for a post–Late Woodland age for the effigy. In addition, we extend our critique of Romain and colleagues’ arguments to include the results of an independent study of soil cores extracted from the Serpent and surrounding landscape, which fails to corroborate Romain and colleagues’ assertion that a buried A horizon underlies the mound. Finally, we suggest that the construction of Serpent Mound may be historically linked to droughts in the Mississippi Valley that began at around AD 1100, which resulted in an influx of Mississippian refugees into the region.     

LiDAR-aided reconnaissance and reconstruction of lost landscapes: An example of freshwater shell mounds (ca. 7500–500 cal b.p.) in northeastern Florida

Abstract

LiDAR datasets, from which high-resolution topographic maps can be generated, are becoming commonplace in archaeological analyses. Like any remote sensing technique, LiDAR records only a limited range of phenomena and the data are a snapshot of ground conditions at the time of collection. The temporally specific nature of LiDAR is problematic at sites with postdepositional destruction. This paper presents a method for identifying and recovering lost landscapes by combining LiDAR, archival aerial photographs, historical observations, and fieldwork. This method was developed to reconstruct the topography of ancient shell mounds constructed by hunter-gatherers on the St. Johns River in northeastern Florida (ca. 7500–500 cal b.p.) and altered by modern land use. The reconstructions demonstrate the influence of ancient communities on modern landscapes and can be used as a basis for further analyses of hunter-gatherer land use, social interaction, and cosmology.     

On the Age of Serpent Mound: A Reply to Romain and Colleagues

Radiocarbon dates reported by Romain and colleagues (2017) suggesting that Serpent Mound (33AD1) is an Adena effigy mound are problematic because they cannot be linked reliably to cultural activities associated with the original construction of the effigy mound. Additional arguments offered by Romain and colleagues (2017) in support of an Early Woodland age for Serpent Mound also are unconvincing. A Late Prehistoric age for Serpent Mound is supported by the radiocarbon dates reported previously, new radiocarbon dates, the relative abundance of serpent imagery in the Fort Ancient culture and the contemporaneous Mississippian Tradition, the virtual absence of serpent imagery in the Adena culture, and the fact that, whereas effigy-mound building is otherwise unknown in the Early Woodland period, it is well documented, if rare, for the Fort Ancient culture and in the not-so-terribly-far-away upper Midwest it is so common that it defines the broadly contemporaneous Effigy Mound culture.     

Pre-pottery farmers on the Pacific coast of southern Mexico

Large island-like shell mounds along the southern coast of Mexico are the earliest known archaeological sites on the Pacific margin of Mesoamerica. These aceramic deposits date to between 7500 and 3800 cal BP and have been interpreted as locations where foragers, living elsewhere seasonally on the coastal plain, harvested shellfish and other estuarine resources. Based on an accumulation of paleoecological data from elsewhere in the lowland Neotropics of Mesoamerica, southern Central America and South America we pose and provide a first test of an alternative subsistence model: that the Archaic Period populations in this area were slash and burn farmers. Burned maize phytoliths first appear in these sedimentary records at 6500 cal BP in association with macroscopic charcoal and forest disturbance plant taxa. Periodic burning and forest disturbance, consistent with farming activities, are also evident in the macroscopic charcoal record between 6500 and 4700 cal BP. Pollen, phytolith and charcoal records all point to sustained burning, forest disturbance and the cultivation of maize between 4700 and 3800 cal BP. These data suggest that people were slash and burn farming during the Archaic Period prior to the adoption of pottery and the proliferation of Early Formative Period villages and full-fledged agriculture based on near or total reliance on crop plants after ∼3800 cal BP.