Devonian Events and Correlations

Devonian Events and Correlations

Author: R. T. Becker

Publisher: Geological Society of London

Published: 2007

Total Pages: 296

ISBN-13: 9781862392229

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The Devonian was a peculiar period, characterized by simplified plate tectonic configurations, climatic overheating and widely flooded continents. The bloom of fishes and ammonoids, extensive reef complexes, and the conquest of land indicate major biosphere innovations, punctuated by many global events, including two of the biggest mass extinctions. The Devonian was the first system for which subdivisions were formally defined. This was achieved by significant advances in pelagic biostratigraphy. The chronostratigraphic framework and interdisciplinary techniques allow us to correlate intervals or sudden events across facies boundaries, in order to reconstruct the sedimentary and evolutionary history of the system with highest precision. This volume honors the lifetime stratigraphic achievements of Michael Robert House (1930-2002). Based on case studies from Europe, North Africa and North America, it shows how the combination of biostratigraphy, chemostratigraphy, magnetostratigraphy, sequence stratigraphy and event stratigraphy can contribute to a much deeper understanding of both regional and global environmental change.


Magnetic Fabric

Magnetic Fabric

Author: Geological Society of London

Publisher: Geological Society of London

Published: 2004

Total Pages: 562

ISBN-13: 9781862391703

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The relationship between magnetic fabric and petrofabric is complex and depends on various factors including the composition, concentration and grain size of mineral grains. Ongoing research in geological applications is paralleled by studies of the fundamental mineral magnetic phenomena involved. The papers in this book represent the current state of investigations in magnetic anisotropy studies as a discipline that integrates geological interpretations, mineral fabric development, technical advances and rock-magnetic properties.


Celebrating 100 Years of Female Fellowship of the Geological Society: Discovering Forgotten Histories

Celebrating 100 Years of Female Fellowship of the Geological Society: Discovering Forgotten Histories

Author: C.V. Burek

Publisher: Geological Society of London

Published: 2021-03-18

Total Pages: 310

ISBN-13: 1786204967

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The Geological Society of London was founded in 1807. At the time, membership was restricted to men, many of whom became well-known names in the history of the geological sciences. On the 21 May 1919, the first female Fellows were elected to the Society, 112 years after its formation. This Special Publication celebrates the centenary of that important event. In doing so it presents the often untold stories of pioneering women geoscientists from across the world who navigated male-dominated academia and learned societies, experienced the harsh realities of Siberian field-exploration, or responded to the strategic necessity of the ‘petroleum girls’ in early American oil exploration and production. It uncovers important female role models in the history of science, and investigates why not all of these women received due recognition from their contemporaries and peers. The work has identified a number of common issues that sometimes led to original work and personal achievements being lost or unacknowledged, and as a consequence, to histories being unwritten.


Metallic Resources 1

Metallic Resources 1

Author: Sophie Decrée

Publisher: John Wiley & Sons

Published: 2024-02-13

Total Pages: 388

ISBN-13: 1789451353

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Metallic resources play a huge role in many fields: in the energy transition, the development of new technologies and the production and storage of green energy. Metallic Resources 1 presents various studies in notable European metallogenic regions or deposits that enable us to tackle the question of the concentration of metals, especially strategic metals, in various geodynamic settings. An understanding of the geological processes that lead to the formation of deposits and influence their concentrations in the Earth's crust is of the utmost importance when it comes to uncovering new mineral resources. This book puts forward various different methodological approaches necessary in the study of deposits of metallic resources, from field observations to microanalysis. A study of specific geo-politico-economic frameworks is also presented.


Quaternary of South-West England

Quaternary of South-West England

Author: S. Campbell

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 439

ISBN-13: 9401149208

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STRUCTURE OF THE VOLUME AND TERMINOLOGY USED This book contains scientific descriptions of 63 localities (Figure A) of at least national importance for Quaternary geology, geomorphology and environmental change in South-West England. These sites were selected by the Geological Conservation Review and are accordingly designated 'GCR' sites. Chapter 1 provides an introduction to the Quaternary. Chapter 2 synthesizes the geomorphological development and Quaternary history of the region, and outlines the principles involved in site selection. The individual GCR site descriptions form the core of the book. In the following chapters, sites are arranged and described in broad geographic areas and by research topic. This is necessitated by the widely disparate nature of the field evidence in Soutb West England: sites demonstrating the full range of Quaternary and geomorphological features are not evenly and conveniently dispersed throughout the region, and some areas have significant gaps. Neither do the individual chapters contain sites that neces sarily equate with particular site selection networks. Rather, the chosen chapter headings provide the least repetitive means of describing the sites and background material. Where possible, a chronological approach, from oldest to youngest, has been used to describe sites within a given chapter. Again, this approach is not always possi ble, and a group of sites may show variations on landform or Stratigraphie evidence broadly within one major time interval or chronostratigraphic stage; inevitably there are many overlaps.


James Ussher

James Ussher

Author: Alan Ford

Publisher: Oxford University Press, USA

Published: 2007-06-21

Total Pages: 328

ISBN-13: 0199274444

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Known today largely for dating the creation of the world to 4004BC, James Ussher (1581-1656) was in fact a key figure in early-modern Britain and Ireland. From helping to give Protestants in Ireland a sense of Irish identity by tracing their roots back to St Patrick, to leading the Church of Ireland as archbishop of Armagh, he played a significant role in the events leading up to the outbreak of the English civil war as an exile in England in the 1640s. Tracing the interconnectionsbetween Ussher's scholarship and his wider religious and political interests, Alan Ford throws new light on a seminal figure in the history of Irish Protestantism.


Geological Mapping of Our World and Others

Geological Mapping of Our World and Others

Author: Robert W. H. Butler

Publisher: Geological Society of London

Published: 2024-04-23

Total Pages: 389

ISBN-13: 178620598X

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Map-making is a fundamental tool for developing geological knowledge. It involves data collection and interpretation and has its roots in the earliest discoveries in Earth science. It is the starting point for stratigraphic and structural interpretations, metamorphic facies, geochronology and modelling studies – and underpins civil engineering. From the beginning, geological mapping rapidly evolved into far more than being a simple spatial catalogue of observable rock types and landforms on the Earth’s land-surface: deductive reasoning allows this knowledge to infer subsurface Earth structure. However, the same approaches have also been down-scaled to deduce processes on the grain-scale; or up-scaled to look out to extraterrestrial objects. This Special Publication draws together these strands, crossing geoscience disciplines and observation scales to celebrate geological mapping, its historical importance and future directions, and its use in applied geology together with developing knowledge of Earth and planetary evolution and processes.


Igneous Rocks of South-West England

Igneous Rocks of South-West England

Author: P.A. Floyd

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 257

ISBN-13: 9401115028

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This volume illustrates some of the significant aspects of magmatic activity from Devonian (408 million years ago) to early Permian (270 million years ago) times in SW England. This period covers the progressive development of the Variscan mountain-building episode, from initial basin formation to final deformation and the subsequent development of a fold mountain belt - the Variscan Orogen. Both extrusive (volcanic) and intrusive (plutonic) rocks are found in the orogen, and chart the various stages of its magmatic development. The sites described in this volume are key localities selected for conservation because they are representative of the magmatic history of the orogen from initiation to stabilization. Some of the earliest volcanic activity in the Devonian is represented by submarine basaltic and rhyolitic lavas developed in subsiding basins, caused by the attenuation of the existing continental crust. In some cases, extensive rifting and attendant magmatism produced narrow zones of true oceanic crust, whereas elsewhere basaltic volcanism is related to fractures in the continental crust at the margins of the basins. After the filling of the sedimentary basins, and their deformation caused by crustal shortening (late Carboniferous Period), further activity is manifested by the emplacement of the Cornubian granites and later minor basaltic volcanism in the early Permian. Accounts of the constituent parts of this history have enriched geological literature from the nineteenth century onwards, and have contributed to the advancement and understanding of magmatic and tectonic processes.


The Geology of England and Wales

The Geology of England and Wales

Author: P. J. Brenchley

Publisher: Geological Society of London

Published: 2006

Total Pages: 588

ISBN-13: 9781862392007

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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.