A combined visual-geochemical approach to establishing provenance for pegmatite quartz artifacts

A technique for establishing source provenance for pegmatite quartz artifacts was developed using a quarry sample from the Churchill River basin of northern Manitoba and Saskatchewan. Secondary ion mass spectrometry (SIMS) was used to quantify Ti, Ge, Th, and U trace element concentrations and Pb isotope ratios, coupled with qualitative visual characteristics to distinguish between pegmatite quartz from different archaeologically exploited sources in the Churchill River basin region. The technique was also applied to a small sample of quartz artifacts recovered from sites in and around the study area in a preliminary attempt to assign or rule out raw material provenance to characterized sources.     

Present Demands and Educating a New Generation of Maritime Archaeologists

Archaeology in Europe has changed a great deal over the last 25 years and these changes have certainly affected maritime archaeology. As such they also define the practical skills that are needed. On the one hand of course, unlike other branches of European archaeology, maritime archaeology still has a major preoccupation with a well-funded ‘treasure-hunting’ industry and no lack of ill-defined and ill-considered project initiatives. High ethical standards are therefore necessary and the public debate should continue. But within the structure of archaeology and its management at large, maritime archaeology should also show what its major contributions can be. It can only do so if sufficiently trained personnel are available. It is against this background that the Maritime Archaeology Programme at SDU in Esbjerg is being shaped. This paper reviews developments in the field and outlines the approach to education developed at SDU in response.

The Preaching of the Master: Thomas Aquinas’s University Sermons on Happiness

ABSTRACT

The single task of the Parisian masters of the thirteenth century was to read Scripture, a task they performed by way of the famous legere, disputare, praedicare. Although intimately connected these three are rarely studied in relation to each other. Thomas Aquinas’s sermons on the beatitudes (Matthew 5. 1–10) can be compared to his commentary on Matthew and the Summa Theologiae. This opens up a new perspective on the sermons, addressing some of the questions they raise. The edition of Aquinas’s sermons by Louis Bataillon is instrumental in performing this task and will therefore be considered in greater detail. The present article seeks to contribute to Medieval Sermon Studies by way of a more theological approach and to present to theologians the importance of a greater appreciation for the sermons of the masters.     

Early Modern Merchant Ships,Nicolaes Witsen and a Dutch‐Flush Index

With its basis in the Aanloop Molengat‐wreck research, this paper reflects on two issues: the relationship between written and archaeological sources and the comparability of archaeological field data. The first theme results in a discussion of Nicolaes Witsen's work on shipbuilding and his rendering of primary source material. The second theme results in a discussion of more or less contemporary wrecks for which field data is available. Timber density is compared and a diagnostic index for what have loosely been termed Dutch‐flush merchant ships is proposed. Inconsistencies between field data and historical analysis are presented as a field of further research.     

Coherence and Ambiguity in History

This article is about the logic of the concept of "coherence" as used by historians to justify an argument. Despite its effectiveness in historical arguments, coherence is problematic for epistemologists and some theorists of history. The main purpose of this article is to present some insights that bear upon the logical status of coherence. As will be demonstrated, this will also shed some light on the allegedly dubious epistemological position of coherence. In general I will argue that, logically seen, coherence is a property of a set of related beliefs that makes it possible to justify a choice out of different factually justifiable interpretations. Coherence disambiguates vague or ambiguous observations. As words lose their vagueness or ambiguity in contexts, so do contexts disambiguate historical facts. My argument will be based on some relatively recent findings about the cognitive processes underlying vision and reading. Research in the field of text linguistics is used to show what kinds of relationships exist between historical representations that might be considered to cohere.     

A human-centered GIS approach to modeling mobility on southern Baffin Island,Nunavut, Canada

Southern Baffin Island has been occupied for several millennia, but its enormous size, coupled with scarcity of identified inland archaeological sites that can be confidently linked to coastal occupations, makes modeling ancient seasonal mobility across the region through traditional cost-surface least-cost pathway approaches impractical. We present a method that combines weighted multi-criteria cost surface analysis with a watershed function to create a “mobility-shed” of non-winter travel pathways covering the study area. We evaluate the predictive utility of the resulting pathways for future archaeological survey by assessing their spatial relationships to known archaeological sites. The results of this comparison suggest that elevation and land cover criteria should be augmented with ethnographic and resource availability data to model mobility in this region.     

Characterizing Quartz Artefacts: A Case Study from Manitoba's Northern Boreal Forest

Visual and geochemical analyses of 30 pre‐contact quartz tools from the Churchill River basin of northern Manitoba were used to provisionally assess source provenance based on comparison to local quartz quarry data. The results indicate that tools made from quartz acquired from these quarries were transported and eventually deposited into archaeological sites up to 200 km away. Transport of this quartz, which is of relatively moderate quality, over such distances suggests that stone tool–using hunter–gatherer populations that lived in the Churchill River basin of northern Manitoba were highly mobile. It also indicates that higher‐quality raw materials were unavailable in the immediate area.