STAC: the Severe Terrain Archaeological Campaign – Investigation of Stack Sites of the Isle of Lewis 2003–2005
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STAC: the Severe Terrain Archaeological Campaign – investigation of stack sites of the Isle of Lewis 2003–2005 Ian McHardy,* Chris Barrowman* and Mary MacLeod¶ with Ann MacSween,† Jo McKenzie,§ Susan Ramsay,‡ Catherine Smith†† Compiled and edited by Beverley Ballin Smith‡ *Isle of Lewis; ¶Western Isles Archaeologist, Comhairle nan Eilean Siar; †Historic Scotland, ‡GUARD, University of Glasgow; §University of Bradford; ††Scottish Urban Archaeological Trust Scottish Archaeological Internet Report 36, 2009 www.sair.org.uk Published by the Society of Antiquaries of Scotland, www.socantscot.org.uk with Historic Scotland, www.historic-scotland.gov.uk and the Council for British Archaeology, www.britarch.ac.uk Editor Helen Bleck Produced by Archétype Informatique, www.archetype-it.com ISBN: 978 090 390 3677 ISSN: 1773-3803 Requests for permission to reproduce material from a SAIR report should be sent to the Director of the Society of Antiquaries of Scotland, as well as to the author, illustrator, photographer or other copyright holder. Copyright in any of the Scottish Archaeological Internet Reports series rests with the SAIR Consortium and the individual authors. The maps are reproduced from Ordnance Survey material with the permission of Ordnance Survey on behalf of The Controller of Her Majesty’s Stationery Office. © Crown copyright 2001. Any unauthorised reproduction infringes Crown copyright and may lead to prosecution or civil proceedings. Historic Scotland Licence No. GD 03032G, 2002. The consent does not extend to copying for general distribution, advertising or promotional purposes, the creation of new collective works or resale. CONTENTS LIST OF ILLUSTRATIONS . viii LIST OF TABLES. x PART I THE STAC PROJECT 1 ABSTRACT . 3 2 INTRODUCTION . 4 2.1 The STAC project. 4 2.2 Previous work . .4 2.3 Project members . 4 3 THE FORMATION AND LOCATION OF STACKS IN LEWIS. 5 3.1 Geological formation of stacks. 5 3.2 Location of stack sites in Lewis . .5 3.3 Sea level rise and erosion . .6 4 AIMS AND OBJECTIVES . .10 4.1 Research design . 10 5 METHODOLOGY . .13 5.1 Rope access methodologies – industrial rope access . 13 5.2 Rope access and the STAC project. 13 5.3 Topographic survey methods. 13 5.4 Field methodology . 14 PART II THE SURVEYS . 15 6 STAC DOMHNUILL CHAIM. 17 6.1 Physical description and location . 17 6.2 Erosion . 17 6.3 Access. 17 6.4 Previous work . 17 6.5 The survey . 18 6.6 Discussion . 19 6.7 Potential for future work. 20 iii 7 STAC A’ CHAISTEAL. 22 7.1 Physical description and location . 22 7.2 Erosion . 22 7.3 Access. 22 7.4 Previous work . 25 7.5 The survey . 26 7.6 Discussion . 32 7.7 Potential for future work. 34 8 STAC NA CUIBHIG. .35 8.1 Physical description and location . 35 8.2 Erosion . 35 8.3 Access. 35 8.4 Previous work . 37 8.5 The survey . 37 8.6 Discussion . 37 9 DUNASBROC . .39 9.1 Physical description and location . 39 9.2 Erosion . 39 9.3 Access. 39 9.4 Previous work . 39 9.5 The survey . 43 9.6 Discussion . 46 10 DUN ARNISTEAN . .47 10.1 Physical description and location . 47 10.2 Erosion . 48 10.3 Access . 48 10.4 Previous work. 48 10.5 The survey. 53 10.6 Discussion. 55 11 EILEAN NAN LUCHRUBAN . .57 11.1 Physical description and location . 57 11.2 Erosion . 57 11.3 Access . 58 11.4 Previous work. 58 11.5 The survey. 59 11.6 Discussion. 61 12 DUN EÒRADAIL . .63 12.1 Physical description and location . 63 12.2 Erosion . 63 12.3 Access . 63 12.4 Previous work. 63 12.5 The survey. 63 iv 12.6 Discussion. 66 13 CREAG DUBH. .68 13.1 Physical description and location . 68 13.2 Erosion . 68 13.3 Access . 68 13.4 Previous work. 68 13.5 The survey. 68 13.6 Discussion. 70 13.7 Potential for future work. 70 14 DUN OTHAIL . .71 14.1 Physical description and location . 71 14.2 Access . 71 14.3 Previous work. 71 14.4 The survey. 73 14.5 Discussion. 76 15 CAISTEAL A’ MHORAIR. ..