Download or read book Geology of the Country Around Harlech written by P. M. Allen and published by Natural Environment Research. This book was released on 1985 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed account of the geology shown on the complementary 1: 50 000 (or earlier 1: 63 360) geological map(s)
Download or read book Geology of the Country Around Snowdon written by Malcolm Fletcher Howells and published by Stationery Office Books (TSO). This book was released on 1997 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed account of the geology shown on the complementary 1: 50 000 (or earlier 1: 63 360) geological map(s)
Download or read book Geology of the Country Around Pwllheli written by Timothy Peter Young and published by . This book was released on 2002 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: The district described in this memoir (1:50 000 geological sheet 134) covers the central area of the Llyn Peninsula in north-west Wales. The solid rock types vary from deformed m'lange and Precambrian granites, through an array of Cambrian and Ordovician clastic sedimentary rocks, to a wide range of tholeitic to alkaline and ultrabasic to acid igneous rocks.
Download or read book Geology of the Country Around Cadair Idris written by W. T. Pratt and published by . This book was released on 1995 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cadair Idris district lies at the southern edge of the Snowdonia National Park and, from the high ridges of the Cadair Idris massif to the tidal reaches of the Mawddach and Dyfi estuaries, it is an area of spectacular beauty. For many geologists it is a special place as it lies close to the heart of Sedgwick's Cambrian System. The survey of the Cadair Idris district has followed those of the Harlech, Snowdon and Bangor districts to the north and has broadened the correlation of the Cambrian and Ordovician sequences in north-west Wales.
Download or read book Geology and Warfare written by Edward P. F. Rose and published by Geological Society of London. This book was released on 2000 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Records lessons learnt from miltary experience in World War I and II. It also contains perspectives from America which show how, in warfare, military geologists irrespective of nationality have pursued tactical and strategic terrain analysis, fortifications and tunnelling, and resource acquisition, defence installations, and field constructions and logistics. It shows how in peace-time military geologists train for wartime operations and may be involved in peace-keeping and nation-building deployments.
Download or read book The Geology of the Country Around Wrexham Lower Paleozoic and Lower Carboniferous rocks 1927 written by Charles Bertie Wedd and published by . This book was released on 1927 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Geology of the Country Around Wrexham written by Charles Bertie Wedd and published by . This book was released on 1927 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Revised Correlation of the Cambrian Rocks in the British Isles written by A. W. A. Rushton and published by Geological Society of London. This book was released on 2011 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work reviews the correlation of the British and Irish Cambrian with the current (though incomplete) international standard for the Cambrian. Since the earlier edition of 1972, the basal and upper limits of the Cambrian system have been internationally agreed; so this account excludes Tremadocian rocks but includes some that were formerly considered Neoproterozoic. Half of the series and stage subdivisions are internationally agreed, but for the undefined divisions of the Cambrian the standard used here makes use of data from Avalonian successions. Since the first edition was published, almost every aspect of the Cambrian in the British Isles has been subjected to new study. Here, the plate tectonic make-up of the British Isles is reviewed, new radiometric ages and isotopic studies are summarized and the biostratigraphy is enhanced by the study of acritarchs, especially in the Irish successions.
Download or read book Geology of the Country Around Aberdaron Including Bardsey Island written by Wes Gibbons and published by Stationery Office Books (TSO). This book was released on 1993 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The area described in this memoir lies at the extreme south-western tip of the Lleyn Peninsula. The area is one of the most scenically attractive in Wales, with a rocky coastline alternating with wide sandy beaches behind which rise cliffs of Quaternary deposits.
Download or read book A Revised Correlation of Ordovician Rocks in the British Isles written by Richard A. Fortey and published by Geological Society of London. This book was released on 2000 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: &Quot;This Report is revised and expanded from the 1972 publication, providing an up-to-the-minute account of the British Ordovician formations and their correlation nationally and internationally. It also includes the most comprehensive treatment of Ireland ever attempted. The reference list is a comprehensive bibliography of papers on the subject published since 1970.". "This Special Report will be a valuable reference for research and applied geoscientists working with rocks of Ordovician age. It will be of particular interest to those working in, or visiting, the Welsh mountains and the English Lake District."--BOOK JACKET.
Download or read book A Mineralogy of Wales written by Richard E. Bevins and published by National Museum Wales. This book was released on 1994 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cambrian of SW Wales written by A.J. Rees and published by Geological Society of London. This book was released on 2014-11-25 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Memoir reviews, revises and interprets the biostratigraphy, lithostratigraphy, process sedimentology, palaeoenvironments and sequence stratigraphy of the classic Cambrian succession of SW Wales. This 1250m thick clastic sedimentary succession, of Terreneuvian to Furongian age, was deposited in environments ranging from alluvial fan to mid–outer shelf. Two lithostratigraphical groups are distinguished, each comprising six formations; where possible and appropriate, original and well-known names are retained in harmony with current usage. High-resolution sequence-stratigraphical techniques, constrained by biostratigraphical data whenever possible, allow the revised lithostratigraphy to be integrated with the western Avalonian chronostratigraphy developed in maritime Canada. A twofold subdivision is recognized. Megasequence 1 (sequences 3-7) spans the Terreneuvian, C2 and much of C3, with deposition occurring in an extensional rift-like regime on an epeirogenically active platform. Sequence 8 lies at the base of Megasequence 2, which extends from late C3 into the early Ordovician, and represents passive margin sedimentation.
Download or read book Geology of the Country Around Rhyl and Denbigh written by Peter Tolman Warren and published by Natural Environment Research. This book was released on 1984 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed account of the geology shown on the complementary 1: 50 000 (or earlier 1: 63 360) geological map(s)
Download or read book Caledonian Structures in Britain written by J.E. Treagus and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume deals with those sites selected as part of the Geological Conservation Review (GCR) within the southern British part of the Caledonides, that is, the paratectonic Caledonides - a Caledonian terrane without strong and pervasive deformation and metamorphism, such as occurred further north. This orogenic belt formed by long and complex processes of earth movements between 500 and 380 million years before the present (?late Cambrian to mid-Devonian times), and has been classic ground for geologists for two hundred years. It is perhaps no accident that James Hutton in 1795 chose to illustrate his geostrophic cycle (and unconformity) with three visually explicit examples of the deformation wrought on Lower Palaeozoic rocks by Caledonian events. The former Caledonian mountain chain, which can be seen today in fragmented pieces in Scandinavia, Britain and Ireland, and North America, was ultimately the result of the collision of two continental plates and the closure of a former ocean, Iapetus. Some of these fragments, including those in Scandinavia, southern Britain, and the Republic of Ireland and the Maritime Provinces of Canada, are thought to have lain on the south side of the ocean before collision: the rest of North America, northern Ireland, and Scotland are thought to have lain north of the former Iapetus.
Download or read book Pannotia to Pangaea written by B. Murphy and published by Geological Society of London. This book was released on 2021-01-28 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special Publication 503 celebrates the career of R. Damian Nance. It features 27 articles, with more than 110 authors based in 18 different countries. These articles include contributions on the processes responsible for the formation and breakup of supercontinents, the controversies concerning the status of Pannotia as a supercontinent, the generation and destruction of Paleozoic oceans, and the development of the Appalachian-Ouachitan-Caledonide-Variscan orogens. In addition to field work, the approaches to gain that understanding include examining the relationships between stratigraphy and structural geology, precise geochronology, geochemical and isotopic fingerprinting, geodynamic modelling, regional syntheses, palaeogeographic modelling, and good old-fashioned arm-waving! The wide range of topics mirrors the breadth and depth of Damian’s contributions, interests and expertise. Like Damian’s papers, the contributions range from the predominantly conceptual to detailed field work, but all are targeted at understanding important tectonic processes. Their scope not only varies in scale from global to regional to local, but also in the range of approaches required to gain that understanding.
Download or read book Natural Stone and World Heritage written by Ruth Siddall and published by CRC Press. This book was released on 2021-11-30 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about the stone used to build the castles of Edward I in North West Wales. It provides a description of the available geological resources and the building materials used in the construction of Caernarfon, Conwy, Harlech and Beaumaris Castles. It takes a broad view of this subject, placing the stone used in the castles in the context of both earlier and later buildings across the region of study, from the Neolithic up until the present day. The book will serve as a useful source book for geologists, archaeologists, architects, representatives of the natural stone industry, historians and cultural heritage management professionals specifically and for academic and non-academic communities, travellers and tourism industry operators in general.
Download or read book The Geology of England and Wales written by P. J. Brenchley and published by Geological Society of London. This book was released on 2006 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
