Taken with a Grain of Salt: Experimentation and the Chemistry of Archaeological Ceramics from Xaltocan,Mexico

Neutron activation analysis (NAA) of ceramics from Xaltocan (n?=?651) displays high values for sodium and potassium and low concentrations of many transition metals and rare earth elements compared to other sites in the Basin of Mexico. Given that Xaltocan was situated on an island in the middle of a saline lake, the potential reasons for this chemical signature are diverse. On one hand, if the sodium and potassium were elevated due to some behavioral aspect of the potters, the Xaltocan chemical groups provide a glimpse at the behaviors of Xaltocan potters that permit more precise source designations. On the other hand, if this chemical fingerprint arose due to contamination in a saline post-depositional environment, the Xaltocan chemical groups would not be valid references for provenance studies. To evaluate these alternative hypotheses, we employ several lines of evidence: (1) comparison of the Xaltocan ceramics to over 5,000 NAA assays of clays and ceramics from the Basin of Mexico, (2) experimental doping of clays with water of different salinities and fired to different temperatures, (3) leaching experiments of archaeological pottery sherds (n?=?22) recovered from the site of Xaltocan, and (4) laser ablation–inductively coupled plasma–mass spectrometry of the clay and temper fraction of a small sample of Xaltocan ceramics to determine which component is responsible for the elevated sodium and potassium values. The results suggest that the high sodium and potassium values were present in the ceramic paste before firing. We then use these newly established reference groups to better understand the role of Xaltocan in the regional economy. The type of experimentation employed in this study has proven to be an important method for determining the behaviors of ancient potters and distinguishing them from post-depositional processes.     

Correspondencia privada e historia pública: las relaciones intelectuales de Pedro de Castro,Antonio de Herrera y el Inca Garcilaso

Este artículo analiza la correspondencia de Pedro de Castro y Quiñones con Francisco de Castro y Antonio de Herrera sobre las versiones históricas referentes a los hechos de su padre Cristóbal Vaca de Castro frente al gobierno del Perú. Demuestra que, con el propósito de modificar los términos de la crónica de Agustín de Zárate, Pedro de Castro supervisó directamente el texto de las Décadas de Herrera y, a través del jesuita Francisco de Castro, la versión sobre Vaca de Castro que aparece en la segunda parte de los Comentarios reales. La diferente relación del arzobispo con Herrera y Garcilaso —directa en el primer caso y mediata en el segundo— refleja la dispar autoridad de estos dos historiadores. A pesar de que esta intervención de Pedro de Castro se esconde a los ojos del lector, deja una huella tangible en la coincidencia de Herrera y Garcilaso en la escritura de la biografía del gobernador Vaca de Castro frente a la discrepancia de estos mismos cronistas en otros asuntos indianos. El estudio concluye mostrando la articulación que las historias de las Indias tenían en relación con numerosos problemas históricos, teológicos y políticos que se ventilaban entonces.     

‘The Island Blazed’: A Blinding Light and Tiepolo's Hound

This essay is primarily a study of Derek Walcott's Tiepolo's Hound as an affirmation of Caribbean, tropical, blinding light through an engagement with the life and work of Camille Pissarro. Conceived as such, the poem, I argue, proposes an “adamic” vision and imagination attuned with “Time” rather than “History” (the concepts are Walcott's), as well as an intensification of sensory-perception beyond vision. In order to better appreciate the historical and contextual relevance of Tiepolo's Hound, the essay provides first a general introduction to: (1) a nuanced understanding of light and its “otherness” emerging from modern physics; (2) some of the ways in which western capitalism and Cartesian perspectivism, as a hegemonic aesthetic and philosophical tradition in the West, have attempted to capture and control light and its “otherness;” and (3) the blinding quality of light in the tropical context, which repositions light as a force against any and all exploitative capitalist desires.     

Favelas and the divided city: mapping silences and calculations in Rio de Janeiro's journalistic cartography

This article aims to challenge the widespread consensus that Rio de Janeiro is a divided city by deploying two concepts in critical cartography: cartographic silences and cartographic calculations. As a kind of unconquered territory, a terrae incognitae, favelas were silenced on many of Rio de Janerio's maps over the last century. When these places began to be mapped, and converted to terrae cognitae, power relations often become even more apparent because of the intention to make it legible for purposes of intervention. By analyzing maps published in the mainstream Brazilian press throughout the last century, this article explores how national press often portrays Rio de Janeiro as a city divided between formal neighborhoods, where the state apparatus can ensure the rule of law, and favelas, where parallel politics enforce local forms of governance. In order to disseminate this image of the city, maps can play an important role, locating different urban zones and reinforcing old stereotypes. Despite many studies that focused on both material and embodied forms of state presence within favelas, maps can be an important source of information to understand persistant representations of favelas as excluded and divided places.     

Estimating the Number of Combatants during the Mixtón War in the Peñol de Nochistlán

Abstract

The objective of this article is to determine the number of combatants in the Mixtón War (1541–42), one of the most important military confrontations of the early years of the vice-royalty in Western Mexico, by analysing the Peñol de Nochistlán. To this end, information provided by historians has been compared with the population estimates established from the density of settlements known from archaeological evidence in order to define the area occupied by the armies involved in the conflict. This exercise resulted in a shifting array of spaces that could have been used by the combatants during confrontations. However, it will enable more intense archaeological prospecting in the area around the site of El Tuiche — the place identified as the Peñol of Nochistlán — revealing new evidence of the events that occurred on this battlefield.     

Evaluating similarity of radial increments around tree stem circumference of European beech and Norway spruce from Central Europe

Extracting cores from a tree using an increment borer has been standard practice in dendrochronological studies for a long time. Although empirical rules exist regarding how many samples to take and which methodology to apply, comparatively few studies provide quantification of the similarity of relative tree-ring-widths (TRW) around the stem circumference. The aim of this study was therefore to precisely measure the similarity of standardised TRWs around the stem circumference and to provide objective suggestions for optimal core sampling of Norway spruce (Picea abies Karst. [L.]) and European beech (Fagus sylvatica L.) growing in Central European temperate forests. A large sample of cross-sectional discs was used from Norway spruce and European beech trees growing on various slopes, at different altitudes and biogeographic regions across the Czech Republic and Slovakia. The similarity of TRWs measured in different coring directions was analysed by testing the relativized TRW around the trunk (rTRW). Comparison of rTRWs revealed no significant differences between coring directions, indicating that the relative increment was the same around the radius. The results also showed the high similarity between the rTRWs to be independent of both slope inclination and altitude. Moreover, the reconstruction of proportional tree diameters and basal areas backward in time from one core sample and one measurement of tree diameter (basal area) at the time of sample extraction is possible with reasonable precision.     

Testing the Efficiency of Simple Flakes,Retouched Flakes and Small Handaxes During Butchery

Handaxes, simple flakes and retouched flakes are three types of stone tools whose adaptive advantages are highly debated. Interpretations of these technologically different tools suggest that their adequacy for butchery is uneven. Although some experimentation has been made in this regard, further research is needed to understand which of these tool types are more efficient for butchery, thus granting adaptive advantages to the hominins who used them. The present experimental work shows that small handaxes provide higher return rates in butchery activities than simple and retouched flakes. Efficiency (measured in time) is significantly positive in handaxes compared to the other tools when defleshing. In contrast, when comparing the three stone tool sets (simple flakes, retouched flakes and handaxes), the return values obtained for disarticulation are very similar. This study also shows that cut marks do not occur randomly and are less stochastic than previously assumed. Defleshing leaves a preferential cluster of cut marks on mid‐shafts from long bones and even on these sections, depending on element type, patterns are statistically demonstrable.