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Ancient Human Occupation of Britain (eBook)

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2010 | 1. Auflage
322 Seiten
Elsevier Science (Verlag)
978-0-444-53598-6 (ISBN)
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The Ancient Human Occupation of Britain Project (AHOB) funded by the Leverhulme Trust began in 2001 and brought together researchers from a range of disciplines with the aim of investigating the record of human presence in Britain from the earliest occupation until the end of the last Ice Age, about 12,000 years ago. Study of changes in climate, landscape and biota over the last million years provides the environmental backdrop to understanding human presence and absence together with the development of new technologies. This book brings together the multidisciplinary work of the project. The chapters present the results of new fieldwork and research on old sites from museum collections using an array of new analytical techniques. - Features an up-to-date treatment of the record of human presence in the British Isles during the Palaeolithic period (700,000 - 10,000 years before present) - Takes multidisciplinary approach that includes archaeology, geochemistry, geochronology, stratigraphy and sedimentology - Coincides with the culmination of the AHOB project in 2010, providing a benchmark statement on the record of human occupation in Britain that can be utilized and tested by future research
The Ancient Human Occupation of Britain Project (AHOB) funded by the Leverhulme Trust began in 2001 and brought together researchers from a range of disciplines with the aim of investigating the record of human presence in Britain from the earliest occupation until the end of the last Ice Age, about 12,000 years ago. Study of changes in climate, landscape and biota over the last million years provides the environmental backdrop to understanding human presence and absence together with the development of new technologies. This book brings together the multidisciplinary work of the project. The chapters present the results of new fieldwork and research on old sites from museum collections using an array of new analytical techniques. - Features an up-to-date treatment of the record of human presence in the British Isles during the Palaeolithic period (700,000 - 10,000 years before present)- Takes multidisciplinary approach that includes archaeology, geochemistry, geochronology, stratigraphy and sedimentology- Coincides with the culmination of the AHOB project in 2010, providing a benchmark statement on the record of human occupation in Britain that can be utilized and tested by future research

Front Cover 1
The Ancient Human Occupation of Britain 4
Copyright Page 5
Contents 6
Contributors 8
Preface 10
Acknowledgements 12
Chapter 1: The Changing Landscapes of the Earliest Human Occupation of Britain and Europe 14
Acknowledgements 21
References 21
Chapter 2: Climates of the early Middle Pleistocene in Britain: Environments of the Earliest Humans in Northern Europe 24
2.1. Introduction 24
2.2. Climate Change During the early Middle Pleistocene 25
2.3. Reconstructing British Climates for the early Middle Pleistocene 26
2.4. Climates and Environments of the British early Middle Pleistocene 27
2.5. Climate Cyclicity During the early Middle Pleistocene 31
2.6. Significance of early Middle Pleistocene Climates to the Earliest Humans in Northern Europe and Britain 32
2.7. Summary 32
Acknowledgements 33
References 33
Chapter 3: Palaeoenvironments of Ancient Humans in Britain: The Application of Oxygenand Carbon Isotopes to the Reconstruction of Pleistocene Environments 36
3.1. Introduction 36
3.2. Oxygen and Carbon Stable Isotopes in Quaternary Studies 37
3.3. Modern Carbonates in Britain 40
3.4. The Oxygen and Carbon Isotopic Record of British Interglacials 42
3.5. Carbonates from the Cromerian Complex 43
3.6. Carbonates from the Hoxnian Interglacial 45
3.7. Summary and Conclusions 47
Acknowledgements 48
References 48
Chapter 4: Mapping the Human Record: Population Change in Britain During the Early Palaeolithic 52
4.1. Introduction 52
4.2. Previous Studies 53
4.3. The Solent River and its Tributaries 54
4.4. The Middle Thames Reconsidered 56
4.5. The early Middle Palaeolithic in Britain 56
4.6. The Palaeogeography of Britain 58
4.7. Conclusions 61
Acknowledgements 61
References 61
Chapter 5: The Emergence, Diversity and Significance of Mode 3 (Prepared Core) Technologies 66
5.1. Introduction 66
5.2. Diversity and Unity in Mode 3 Technologies 67
5.3. Mode 3 Technology in Time and Space 70
5.4. Roots and Developments 71
5.5. Conclusions 75
Acknowledgements 75
References 75
Chapter 6: Technology and Landscape Use in the Early Middle Palaeolithic of the Thames Valley 80
6.1. Introduction 80
6.2. The Upper Thames 81
6.3. The Middle Thames 82
6.4. The Lower Thames 86
6.5. Discussion 95
6.6. Conclusions 99
Acknowledgements 99
References 99
Chapter 7: The Early Middle Palaeolithic: The European Context 104
7.1. Introduction 104
7.2. The Environmental Structure of the Early Middle Palaeolithic (MIS 8-6) 105
7.3. Early Middle Palaeolithic of Northwest Europe 107
7.4. MIS 7 109
7.5. Discussion 113
7.6. Conclusion 121
Acknowledgements 121
References 122
Chapter 8: Continuities and Discontinuities in Neandertal Presence: A Closer Look at Northwestern Europe 126
8.1. Introduction 126
8.2. An Ecological Perspective: Definitions and Comparative Data 128
8.3. Neandertal Ecology 129
8.4. Three Data Sets: Archaeology, Genetics and Comparative Studies 131
8.5. Discussion 132
Acknowledgements 133
References 133
Chapter 9: Testing Human Presence During the Last Interglacial (MIS 5e): A Review of the British Evidence 138
9.1. Introduction 138
9.2. Stratigraphic Frameworks 139
9.3. Geochronology 142
9.4. Biostratigraphy 142
9.5. Testing Human Presence and Absence 145
9.6. Conclusion 149
Acknowledgements 169
References 169
Chapter 10: The Mammal Faunas of the British Late Pleistocene 178
10.1. Introduction 178
10.2. The Beginning of the Late Pleistocene Record 178
Acknowledgements 191
References 191
Chapter 11: The British Earlier Upper Palaeolithic: Settlement and Chronology 194
11.1. Introduction 194
11.2. The British Earlier Upper Palaeolithic: Limitation of the Database and Questions 194
11.3. Leaf-Point Industries 197
11.4. Human Maxilla from Kent's Cavern 202
11.5. Evolved Aurignacian Presence in England and Wales 207
11.6. Context of the Paviland Burin from Kent's Cavern 210
11.7. The 'Red Lady of Paviland' 217
11.8. The Early Gravettian 220
11.9. Bone Pin from Kent's Cavern 224
11.10. Later Gravettian Human Presence in the British Isles 225
11.11. Possible Long Hiatus in the British Sequence? 227
11.12. Conclusions 228
Acknowledgements 229
References 230
Chapter 12: The Later Upper Palaeolithic Recolonisation of Britain: New Results from AMS Radiocarbon Dating 236
12.1. Introduction 236
12.2. Technological Considerations 237
12.3. Localities with Chronological Information About Later Upper Palaeolithic Recolonisation of the British Isles 241
12.4. Concluding Observations 255
Acknowledgements 257
References 257
Chapter 13: New Results from the Examination of Cut-Marks Using Three-Dimensional Imaging 262
13.1. Introduction 262
13.2. Methods 263
13.3. Case Studies 264
13.4. Discussion and Conclusion 272
Acknowledgements 273
References 273
Chapter 14: Pleistocene Hyaena Coprolite Palynology in Britain: Implications for the Environments of Early Humans 276
14.1. Introduction 276
14.2. Hyaenas and Coprolites 277
14.3. Palynological Method 279
14.4. Case Studies 281
14.5. Discussion and Taphonomic Considerations 284
14.6. Conclusions 287
Appendix A. Calcium and Phosphorous Determinations and X-Ray Diffraction (XRD) 288
Acknowledgements 289
References 289
Chapter 15: Mammal Associations in the Pleistocene of Britain: Implications ofEcological Niche Modelling and a Method for Reconstructing Palaeoclimate 292
15.1. Introduction 292
15.2. Materials and Methods 293
15.3. Results 296
15.4. Discussion 301
15.5. Conclusions 309
Appendix 311
Acknowledgements 314
References 314
Subject Index 318

2

Climates of the early Middle Pleistocene in Britain: Environments of the Earliest Humans in Northern Europe


Ian Candy1,*; Barbara Silva1; Jonathan Lee2    1 Department of Geography, Royal Holloway University of London, Egham, Surrey, TW20 0EX, United Kingdom
2 British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom
* Correspondence and requests for materials should be addressed to Ian Candy email address: ian.candy@rhul.ac.uk

Abstract


Long-term climate records such as SPECMAP and EPICA imply that the early Middle Pleistocene (Marine Isotope Stages 19–13, 780–450 ka) was characterised by low magnitude climate cycles relative to the extreme glacial/interglacial cycles of the last 450 ka. As the early Middle Pleistocene is the period during which the first known occupation of Britain occurred, understanding the nature of climate cycles in northwest Europe during this period is important. In order to develop a clearer understanding of the pattern of climate change during the early Middle Pleistocene, deposits of this period are divided into four groups that are based on the climatic proxy data they contain. Group 1 deposits are characterised by evidence for interglacial climates that were warmer than the present day. Group 2 deposits are characterised by evidence for interglacial climates that were consistent with the present day with respect to their degree of warmth. Group 3 deposits contain evidence for temperate climates that were cooler than the present day; such deposits possibly reflect the end of an interglacial or interstadial. Group 4 deposits record evidence for extreme climate cooling and widespread permafrost development. This categorisation indicates that during multiple glacial/interglacial cycles the climate of eastern England oscillated between periods that were warmer than the present day, sometimes ‘Mediterranean’ in character, through to periods that were characterised by extreme climate cooling and widespread periglaciation. Despite the climate patterns suggested in the SPECMAP and EPICA records, there is no recognisable difference between the pattern of climate forcing observed in Britain during the early Middle Pleistocene relative to that which occurred during the late Middle and Late Pleistocene. Early human colonisers in Britain during the early Middle Pleistocene were, therefore, subjected to the same extremes of climate as humans during the last 450 ka. Consequently, it is probable that the pattern of depopulation during glacials and recolonisation during interglacials, proposed for the last four glacial cycles, is also likely to be true for the period 780–450 ka. It is also important to recognise that lithic artefacts are found in association with all four climatic groups, indicating that the presence of humans during the early Middle Pleistocene was not restricted to the climatic peaks of interglacials.

Keywords

early Middle Pleistocene

Interglacials

Mid-Brunhes Event

2.1 Introduction


Research over the past 10 years, much of it as part of the AHOB project, shows there is abundant evidence for a human presence in Britain during the early Middle Pleistocene, 780–450 ka (Marine Isotope Stage (MIS) 19–13) (Parfitt et al., 2005; see Preece and Parfitt, 2008 and Rose, 2008 for reviews). Numerous sites have now been identified which suggest human occupation in Britain pre-450 ka (Ashton et al., 1992, 2008; Roberts et al., 1994; Roberts and Parfitt, 1999). However, the lithostratigraphy and biostratigraphy of the archaeological horizons at some sites indicate human occupation in Britain prior to 650 ka, during either MIS 17 or 19 (Parfitt et al., 2005). The relative age of such sites means that they not only preserve evidence for the earliest humans in Britain but also for the earliest humans in Europe north of the Alps (Parfitt et al., 2005; Preece and Parfitt, 2008; Rose, 2008).

Fundamental to our understanding of the earliest humans in northern Europe is the climatic context of the earliest occupation events. Under what climatic conditions did these periods of occupation occur? What environmental conditions did humans inhabit? To what climatic fluctuations were they exposed? Addressing these questions is not straightforward because no long, continuous climate record exists for northwest Europe. Despite the absence of such a record, it is still possible to reconstruct the range of climate conditions that occurred in Britain during the early Middle Pleistocene through an examination of the environmental record of the fragmented terrestrial sequences of eastern and southern England. Although these sequences are discontinuous, it is still possible to use them as a framework for climate change during the early Middle Pleistocene because (1) the Quaternary stratigraphy of Britain is robust enough to allow a reliable correlation between terrestrial deposits and the period 780–450 ka, that is, the early Middle Pleistocene (Preece and Parfitt, 2000; Rose et al., 2001; Lee et al., 2004a,b, 2006) and (2) deposits of this period contain a wide range of palaeoenvironmental indicators which allows the climatic conditions to be reconstructed (Gibbard et al., 1996; Parfitt et al., 2005; Coope, 2006).

In this chapter, we review the record of early Middle Pleistocene environmental change in Britain as preserved in the long sediment sequences of eastern, midland and southern England. The majority of this evidence is found within the ‘Crag Basin’ which represents the western extension of the southern North Sea Basin (Fig. 2.1). This sedimentary basin extended across the area broadly occupied by the present southern North Sea and the Rhine Graben. The Crag sediment sequence spans the Early Pliocene (5 Ma) to the end of the early Middle Pleistocene (450 ka), and records patterns of terrestrial landscape evolution, sea-level and climate change.

Fig. 2.1 A map showing the location of the main early Middle Pleistocene sites discussed within the text. Br = Brooksby, Bx = Boxgrove, CC = Corton Cliffs, Hg = Hengrave, Hp = Happisburgh I, LO = Little Oakley, NSc = Norton Subcourse, Os = Ostend, Pk = Pakefield, Sg = Sugworth, Si = Sidestrand, WH = Warren Hill, WR = West Runton, W-S-M = Westbury-sub-Mendip, WW = Waverley Wood. The stippled regions represent the location of major accumulations of early Middle Pleistocene sediments both fluvial (associated with the Bytham and proto-Thames river systems) and terrestrial/shallow marine (associated with the Crag Basin).

2.2 Climate Change During the early Middle Pleistocene


In marine and ice-core records, the early Middle Pleistocene is characterised by a different pattern of climate forcing to that which operated during the past 450 ka (Imbrie et al., 1984; Flower et al., 2000; EPICA, 2004; Lisiecki and Raymo, 2005; Fig. 2.2). In marine isotope records of global ice volume, such as SPECMAP, interglacial peaks over the last 450 ka are characterised by global ice volumes comparable to that which occurred during the Holocene (Imbrie et al., 1984; Flower et al., 2000; Lisiecki and Raymo, 2005). Glacial stage troughs during the same period are, with the exception of MIS 8, characterised by global ice volumes comparable to that of MIS 2, the Last Glacial Maximum (LGM). The last 450 ka is, therefore, a period of extreme climate oscillations during glacial and interglacial cycles, which were driven by the 100 ka Milankovitch (eccentricity) cycle.

Fig. 2.2 Proxy records of environmental change spanning the last 800,000 years and recording climatic fluctuations within the early Middle Pleistocene; (A) is a record of δ18O variations within benthic foraminifera from North Atlantic core 980/981 (Flower et al., 2000). This record is primarily driven by changes in global ice volume which are, in turn, predominantly driven by fluctuations in the Laurentide ice sheet. The peak numbers correspond to MIS numbers for warm stages; (B) is the deuterium record from Dome C, Antarctica and reflects changes in high latitude southern hemisphere air temperature (EPICA, 2004). The mid-Brunhes Event, or MBE, occurs at around 450,000 years B.P. and can be observed in the greater amplitude of warm climate peaks after MIS 13, relative to those that occur between MIS 19 and 13.

Although the frequency of climate fluctuations during the early Middle Pleistocene is also driven by a 100 ka periodicity, the magnitude of climate change, as preserved in records such as SPECMAP, appears to be much more moderate when compared to the last 450 ka (Imbrie et al., 1984; Lisiecki and Raymo, 2005). In marine isotope records of global ice volume, no early Middle Pleistocene interglacial (MIS 13, 15, 17 and 19) is characterised by a reduction in global ice volume that is even remotely comparable to the Holocene. Equally, glacial stages of the early Middle Pleistocene are mostly characterised by only...

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