Bruce Bradley

Bruce Bradley
University of Exeter | UoE · College of Humanities- Archaeology

BA U ofArizona 1970, PhD U of Cambridge 1977

About

87
Publications
38,158
Reads
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2,020
Citations
Citations since 2016
13 Research Items
1024 Citations
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2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150
Introduction
Bruce Bradley is Emeritus Professor at the College of Humanities- Archaeology, University of Exeter. Bruce currently is continuing research in South American Pleistocene and American Southwest Ancestral Puebloan archaeology. He also remains active in research into the early occupations of the Atlantic Seaboard.
Additional affiliations
September 2017 - present
University of Exeter
Position
  • Professor Emeritus
September 2003 - August 2017
University of Exeter
Position
  • Professor
July 2003 - August 2018
University of Exeter
Position
  • Professor (Full)
Education
September 1966 - June 1970
The University of Arizona
Field of study
  • Anthropology and Geology

Publications

Publications (87)
Article
To accurately replicate highly complex, flaked stone artifacts using the same raw materials as the original artifacts is a challenge for any present-day flintknapper. Replication of individual bifacial points from a Bronze Age burial mound in Wales led to further study of the artifacts. Integrating experimental replication, technological analysis,...
Preprint
Full-text available
Annual report of the excavations during the 2021 season. Wallace Ruin is a Chaco Outlier Great House in Southwest Colorado dating between AD 140 and 1280.
Article
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El corredor del borde de hielo en el Atlántico Norte: una ruta posible del Paleolítico al Nuevo Mundo Bruce Bradley y Dennis Stanford (2004) Resumen El poblamiento temprano del Nuevo Mundo ha sido un tema de intensa investigación desde comienzos del siglo XX. Afirmamos que el hecho de que las investigaciones se hayan centrado exclusivamente en el p...
Technical Report
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Descriptive report of excavations at Wallace Ruin, 5MT6970, a Chaco Great House site in Montezuma County, Colorado
Article
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A arqueologia experimental, ainda que aplicada de alguma maneira desde a década de 1970 no Brasil, ainda não se tornou uma área consolidada na Arqueologia Brasileira. Poucos dos trabalhos já realizados buscaram testar hipóteses sobre a tecnologia de grupos caçadores-coletores, principalmente através da replicação sistemática dos artefatos. Este art...
Technical Report
Full-text available
Preliminary results of field work at the Wallace Chaco Outlier Greathouse
Chapter
Chapter 8 is from People and Culture in Ice Age Americas: New Dimensions in Paleoamerican Archaeology by eds. Rafael Suárez, Ciprian Florin Ardelean University of Utah Press, Feb 8, 2019 - America - 268 pages This edited volume, which emerged from a symposium organized at the 2014 SAA meeting in Austin, Texas, covers recent Paleoamerican research...
Poster
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Poster describing evidence for Older-Than-Clovis deposits and artifacts at the Gault Site,Texas
Article
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Comments, with references, by film contributors on the Guardian review by Jennifer Raff (also a film contributor) of the recent Canadian documentary "Ice Bridge" and published in the Guardian newspaper (UK) online: Jennifer Raff's Review title: "Rejecting the Solutrean hypothesis: the first peoples in the Americas were not from Europe: A recent Can...
Article
Full-text available
A bifacial, bipointed, flaked stone knife was found during the expansion of a house cellar in the early twentieth-century in Sanford, Maine. It was brought to Bradley's attention in 2011 by the current owner of the artifact. The geological surface map indicated that the find spot was likely an exposure of late Pleistocene deposits and the form of t...
Article
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Understanding flaking technologies has become an important aspect for flaked stone analyses and interpretations. Experiments are increasingly being used to investigate aspects of technology. One of these aspects is the existence of a technique known as overshot flaking. While most researchers recognize that it happened some assert that it was an in...
Technical Report
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Results of excavations 2015 at Wallace Ruin, Montezuma County, Colorado
Article
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Invited Perspectives editorial on the relationship between Cola de Pescado and Clovis technologies
Article
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Stone tools provide some of the most abundant, continuous, and high resolution evidence of behavioral change over human evolution, but their implications for cognitive evolution have remained unclear. We investigated the neurophysiological demands of stone toolmaking by training modern subjects in known Paleolithic methods ("Oldowan", "Acheulean")...
Poster
Full-text available
The use of porcelain has been criticized as its flaking qualities in relation to natural stones have not been tested systematically in laboratory conditions. Our experiments tested three materials, obsidian, flint and porcelain, with three-point bending and pendulum impact tests to further elaborate on the substitution of porcelain for flint in fla...
Article
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The Solutrean hypothesis for the origin of the Clovis archaeological culture contends that people came from south-western Europe to North America during the Last Glacial Maximum. This hypothesis has received numerous critiques, but little objective testing, either of cultural or genetic evidence. We contest the assertion that there is NO genetic ev...
Article
Full-text available
Across Atlantic ice (AAI) sets out specifically to propose an alternative hypothesis of early human entry into the Americas and to stimulate research (Stanford & Bradley 2012: 16). O'Brien et al .'s response (above) primarily contains an unsupported dismissal of the evidence and these ideas. Unfortunately, to date, no work equivalent to AAI has bee...
Chapter
Full-text available
Mastodon remains dated to 22,760 RCYBP were recovered with a bifacial laurel leaf knife from 250 ft below sea level on the outer continental shelf of Virginia. This chapter reports the results of our research concerning this find and an on-going survey of the extensive archaeological collections of the Smithsonian and other repositories including l...
Article
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Human ancestors first modified stones into tools 2.6 million years ago, initiating a cascading increase in technological complexity that continues today. A parallel trend of brain expansion during the Paleolithic has motivated over 100 years of theorizing linking stone toolmaking and human brain evolution, but empirical support remains limited. Our...
Poster
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This poster presents a hypothetical phylogeny of fl;aked stone assemblages relating the the peopling of the Americas. The assemblages are indicated by diagnostic bifacial tool images, but full associated assemblages are represented
Chapter
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Верхний палеолит Северной Евразии и Америки: памятники, культуры, традиции. СПб.: Петербургское Вос-токоведение, 2014 — 288 c. + 3 л. ил. (Archaeologica Petropolitana). Сборник посвящен памяти выдающегося исследователя палеолита М. В. Аниковича (1947—2012). Он включает работы ведущих специалистов России, Украины, Великобритании и США. Тематика сбор...
Article
Full-text available
Significant new archaeological discoveries made over recent decades present a wide range of contrasting cultural patterns across North America during various portions of time between 27,000 and 13,000 cal yr BP. Each of these patterns is now represented by multiple sites within distinctive environmental settings. The extent and variance of this ric...
Article
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Clovis technology, as known in the durable record, consists of several distinctive flaked-stone reduction strategies as well as the manufacture of a range of bone, ivory, and antler tools. Stone was flaked to produce large flakes from bifacial cores: blades from two core-reduction technologies, and bifaces for varying purposes including the distinc...
Article
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From the very Early Neolithic in the Balkans two categories of objects are recognized as having been involved in prehistoric drilling activities. The first is beads and other decorative and prestigious items made of bone, shell, pottery and various minerals. The second comprises toolkits of micro-perforators/borers found among the flint assemblages...
Article
Full-text available
One of the biggest problems faced by archaeologists engaged in flaked stone experiments is that of control. Controls are universally accepted as a way of ensuring reliability of experimental results used to interpret the archaeological record. Here, the use of a new and tightly controllable material in flaked stone experiments is proposed: porcelai...
Book
Who were the first humans to inhabit North America? According to the now familiar story, mammal hunters entered the continent some 12,000 years ago via a land bridge that spanned the Bering Sea. Distinctive stone tools belonging to the Clovis culture established the presence of these early New World people. But are the Clovis tools Asian in origin?...
Article
Full-text available
It has been proposed that Paleolithic studies should abandon their focus on groups and turn instead to the individual. If individuals are to emerge from the lithics-dominated Middle Paleolithic record, the best chance of success is to identify the products of learner knappers from those of their mentors. To do so we need a framework of knapping sta...
Technical Report
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This report describes the excavations in several rooms that were added to the Pueblo in the 12th Century A.D. The report includes the architecture, stratigraphy and artifacts.
Article
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Early stone tools provide direct evidence of human cognitive and behavioral evolution that is otherwise unavailable. Proper interpretation of these data requires a robust interpretive framework linking archaeological evidence to specific behavioral and cognitive actions. Here we employ a data glove to record manual joint angles in a modern experime...
Article
Full-text available
Anthropology departments in universities and museums do not always have a staff member trained in flintknapping. This can be problematic because aspects of flaked stone technology can be difficult to illustrate to students and the public without replicative demonstrations. Fortunately, there has been a recent florescence of flintknapping videos on...
Technical Report
Full-text available
Report on excavations of a roomblock at the Wallace Greathouse, Lakeview Group, Montezuma County, Colorado.
Book
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This book presents a detailed study of the lithic technology and the bone, antler, and ivory tool technology of the Clovis Paleoindian culture. It is abundantly illustrated with drawings and photographs of tools and the by-products of their manufacture, typical for this distinctive, very early period of human occupation of the United States.
Article
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Historically, cultural revitalization movements have been a common mechanism of culture change among North American indigenous groups. Drawing on research at Sand Canyon Pueblo, this article applies a model of the revitalization process to the mid-thirteenth century in the Mesa Verde region. Architectural forms and ritual artifacts appear to reflec...
Article
Full-text available
Large-sized Solutrean laurel leaf typology has been defined on the basis of the exceptional pieces found at Volgu, France, in 1874. The geographical distribution of this rare type of large bifacial piece is limited to the border of the French Massif Central. Located at the northern limit of this distribution area, the Maîtreaux site provides new da...
Article
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The early peopling of the New World has been a topic of intense research since the early twentieth century. We contend that the exclusive focus of research on a Beringian entry point has not been productive. Evidence has accumulated over the past two decades indicating that the earliest origin of people in North America may have been from south-wes...
Article
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In 1977 and 1978, test excavations in a proposed highway construction zone revealed a Soho phase irrigation canal just to the and interpretations of the canal's history are presentedwest of Pueblo Grande, Phoenix, Arizona. The stratigraphic and artifact content of the canal feature is discussed
Article
Full-text available
In 1977 and 1978, test excavations in a proposed highway construction zone revealed a Soho phase irrigation canal just to the west of Pueblo Grande, Phoenix, Arizona. The stratigraphic and artifact content of the canal feature is discussed and interpretations of the canal's history are presented.
Article
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Technological analysis of Eastern Gravettian blade technology
Article
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Flaked stone analysis is complex, and if the maximum information is to be obtained, should include several different approaches. These include typological, technological, and functional. Flaked stone technology is discussed in terms of three technological rules and the concept of technological necessity. The mechanical properties of brittle fractur...
Article
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The artefact assemblages from early Upper Palaeolithic sites in eastern European Russia contain flint tools of more Middle Palaeolithic type. With these artefacts are bifacially thinned triangular forms that may represent the first use of this technology in the area, and perhaps anywhere in Europe.
Article
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Chapter
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Abstract - Bone and ivory artifacts have been recovered from sites in North America that date to the end of the Pleistocene and are associated with extinct animals. The artifact forms are relatively simple and mostly unadorned. The majority had utilitarian functions, but one form associated with a burial and a cache may have served a ceremonial fu...
Article
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Intensive architectural and dendrochronological analysis of Sand Canyon Pueblo, a large, late 13th-century Anasazi site in sw Colorado, has provided evidence of distinct building patterns. Although the principal pattern seems to be accretionary, there is evidence of planning both at the architectural unit scale and in the site as a whole. Evaluatio...
Chapter
Full-text available
In the past two decades, a major change has occurred in the way Paleo-Indian researchers view flaked stone artifacts. No longer are “finished tools” simply classified and compared. Gone are the days of simple functional typologies. It is now generally accepted that flaked stone artifacts became part of the archaeological record as the result of man...
Article
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Describes and discusses petroglyphs that were built into Sand Canyon Pueblo AD 1240-1280, Montezuma County, Colorado
Article
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Descriptive report on results of excavations and analyses.
Article
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This chapter describes the projectile points and specialized bifaces found at the Horner site. The 1977 and 1978, excavations by the University of Wyoming at the Horner site made it apparent that with the additional data, a more in-depth study should be undertaken, especially as many of the projectile points from the site did not seem to fit into t...
Book
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Describes the findings at the Hanson Site
Chapter
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Description and analysis of flaked stone.
Thesis
Full-text available
Levallois tortoise core reduction experimental results are compared to 3 archaeological assemblages and used to interpret them.
Thesis
Experimental Levallois tortoise core reduction results are compared to 3 archaeological assemblages and used to interpret them.