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This 1989 book covers the geology and geomorphology of the Carboniferous Limestone areas of Wales, and summarises the state of knowledge of the main cave systems including the longest and deepest in Britain. It sets out to assess the morphological evolution of the cave systems and the associated landscape features, particularly in light of the effects of successive glaciations. The book also covers related subjects including the biology of the cave faunas, important archaeological discoveries in Welsh caves and the hydrology of the limestone masses. On its publication, this was the first book to give a general survey of the subject. It will continue to provide a valuable reference for cavers and also for geologists, geographers, biologists and archaeologists with special interests in the area.
This volume summarizes the results of a survey of British Upper Carboniferous sites, undertaken between 1978 and 1990 as part of the Geological Conservation Review (GCR). The GCR was the first attempt to assess the scientific significance of all Britain's geological sites and has proved a landmark in the development of a coherent geological conservation strategy in this country. To ensure that the assessments were based on a firm logical and scientific foundation, the range of scientific interest was divided into ninety-seven discrete subject 'blocks', reflecting the natural divisions of stratigraphy, palaeogeography and geological process; Westphalian stratigraphy and Namurian stratigraphy were two of these blocks. The first stage in the survey was a review of the literature, to establish a compre hensive database of sites. From this, a provisional list of potentially significant sites was made and this was circulated to all relevant specialists in this country and abroad. At the same time, the sites were visited to assess their physical condition and whether the interest was still extant. In some cases, excavation (so-called 'site-cleaning') was carried out to see if the interest of a site could be resurrected or enhanced. The com ments made by the specialists and the field observations were then used to produce a second site list, which again was circulated for comment.
A detailed account of the geology of the South Wales coalfield.
This second edition of 'The Geology of England and Wales' is considerably expanded from its predecessor, reflecting the increase in our knowledge of the region, and particularly of the offshore areas. Forty specialists have contributed to 18 chapters, which cover a time range from 700 million years ago to 200 million years into the future. A new format places all the chapters in approximately temporal order. Both offshore and economic geology now form an integral part of appropriate chapters.
Outlines the geological history and evolution of the British Isles and its surrounding sea areas. New information concerning Britain's evolution has emerged from the recent exploration of the seas around Britain in the search for oil and gas and much of this new information has been incorporated. The book will serve university and college students, sixth-form pupils in geology and will also be valuable to students in the allied disciplines such as geography, oceanography, and civil engineering
This is a reprint of the second edition of Dr Rayner's standard text on the stratigraphy and historical geology of the British Isles. The book is written for undergraduates and other readers who may have only a general acquaintance with the broad principles of geology. An introductory chapter reviews the basic principles of stratigraphy, geochronology and tectonics. The various geological systems found in the British Isles are then considered in turn. A valuable feature of the book is the extensive treatment of different regional areas within the discussion of a particular geological system. In the final chapter the author reviews briefly those major economic resources that are related to stratigraphy. Throughout the text care has been taken to introduce the plate tectonic interpretation of stratigraphic features. Much more is known about the neighbouring continental shelf and the geology of sea floors and this also is included in order to provide a comprehensive integrated account of the geological history of the British Isles.
This book brings together the results of recent research on the Neolithic long cairns lying in the shadow of the Black Mountains in south-east Wales, focusing upon Penywyrlod and Gwernvale, the two best known tombs within the group, previously excavated in the 1970s. Important results lie in both new site detail and reassessment of the wider context. Small-scale excavation, geophysical survey and geological assessment at Penywyrlod - the largest of the Welsh long cairns - gave further information about the distinctive external and internal architecture of the monument. In turn, this opened the opportunity to reassess the pre-monument sequence at Gwernvale, with re-examination of both Mesolithic and Neolithic occupations, including timber structures and middens, lithic and pottery assemblages, and cereal remains. The frame for wider reassessment is given by fresh chronological modelling both of the monuments themselves, suggesting a sequence from Penywyrlod and Pipton to Ty Isaf and Gwernvale, probably spanning the 38th to 36th centuries cal BC, and of early Neolithic activity in south Wales and the Marches across the same sort of period. A detailed study of the major assemblages of human remains from the Black Mountains tombs includes evidence for diet, trauma and lifestyles of the populations represented. Recent isotope analysis of human remains from the tombs is also reviewed, implying social mobility and migration within local populations during the early Neolithic. This book makes a significant contribution to the study of tomb building, treatment of the dead, place making, and Neolithisation in western Britain. Viewed within the context of tombs within the Cotswold-Severn tradition as a whole, it leads to an appreciation of the local and regional distinctiveness of architecture and mortuary practice exhibited by the tombs in this area of south-east Wales, emerging as part of the intake of a significant inland area in the early centuries of the Neolithic.