Afrique De L Ouest Introduction Geologique Et Termes Stratigraphiques

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Afrique de l'Ouest Introduction Géologique et Termes Stratigraphiques

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Author by : J.M. Bertrand, J. Bertrand-Sarfati, B. Bessoles
Languange Used : English, France, Spanish, Italia and chinese
Page : 400
Isbn : 1483138267
Identifier : 9781483138268
Release : 2013-10-22
Publisher by : Elsevier
Category : Science
Total Download : 5644852
Total Read : 8896168
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Phanerozoic Stromatolites II

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Author by : Janine Bertrand-Sarfati, C. Monty
Languange Used : English, France, Spanish, Italia and chinese
Page : 471
Isbn : 9401111243
Identifier : 9789401111249
Release : 2012-12-06
Publisher by : Springer Science & Business Media
Category : Science
Total Download : 3648351
Total Read : 5960843
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Description : Read Now Phanerozoic Stromatolites Ii by Janine Bertrand-Sarfati, C. Monty and you can download with pub, pdf, txt, doc, and more file format with free account. precambrian stromatolites have received in depth, consideration from geologists and paleontologists; they were indeed searching for biosedimentary structures that were sufficiently characteristic and widely distributed to be considered as useful tools for stratigraphic correlation. silicified stromatolites are also of interest as they contain preserved traces of ancient life. calcareous phanerozoic stromatolites have not received very much attention from geologists. logan's too schematic morphological classification of 1964, was not so helpful to the knowledge of phanerozoic stromatolites because neither their morphology nor their microstructure were studied in the same detail in which proterozoic stromatolites have now been described. we therefore know little about the phanerozoic stromatolites which, do, however, show an interesting range of diversification. a major questions stiii remaining to be answered include the history of stromatolite development and wether their morphology has "evolved" in addition to detailed information concerning cenozoic nonmarine stromatolites which precipitate carbonate and the recent giant stromatolites which trap particles. for these reasons claude monty, in 1981, launched the first volume of what was going to be a series on "phanerozoic stromatolites" in order to describe their morphology, microstructure and paleoecology and to present them in their stratigraphic context.

The West African Orogens and Circum-Atlantic Correlatives

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Author by : R.D. Dallmeyer, J.P. Lecorche
Languange Used : English, France, Spanish, Italia and chinese
Page : 405
Isbn : 3642841538
Identifier : 9783642841538
Release : 2012-12-06
Publisher by : Springer Science & Business Media
Category : Science
Total Download : 8953366
Total Read : 5749901
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Description : Read Now The West African Orogens And Circum Atlantic Correlatives by R.D. Dallmeyer, J.P. Lecorche and you can download with pub, pdf, txt, doc, and more file format with free account. in december, 1987, project 233 of the international geological correlation pro gram hosted an international conference in nouakchott, mauritania. discussions were focused on the "tectonothermal evolution of the west mrican orogens and circum-atlantic terrane linkages". a wealth of new information was pre sented during the conference, and it was apparent that the time was appropriate to prepare a systematic volume dealing with the geology of northwest mrica. the present volume is an outgrowth of this conference, but is not merely a compilation of the papers presented in nouakchott. instead, it represents a coordinated vol ume designed to present a balanced, comprehensive view of our present under standing of west mrican geology and potential correlations in other circum-at lantic paleozoic orogens. we sincerely appreciate the efforts of all the reviewers whose comments have greatly helped to improve the quality of this volume. we also thank the various contributors for their diligence and perseverance in manuscript preparation. the calibre of the present volume is a reflection of their labor. athens/marseille, autumn 1990 r. d. dallmeyer j. p. lecorche contents chapter 1 introduction . . . . . . . . . . . . . . . 3 r. d. dallmeyer and j. p. lecorche chapter 2 geophysics and the crustal structure of west africa 9 j. roussel and a. lesquer chapter 3 crystalline basement of the west african craton . . . . . . . . . . . . .. . . 31 .

Geology and Mineral Resources of West Africa

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Author by : Wright
Languange Used : English, France, Spanish, Italia and chinese
Page : 190
Isbn : 9401539324
Identifier : 9789401539326
Release : 2012-12-06
Publisher by : Springer Science & Business Media
Category : Science
Total Download : 1053926
Total Read : 429328
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Description : Read Now Geology And Mineral Resources Of West Africa by Wright and you can download with pub, pdf, txt, doc, and more file format with free account. in this text, attention is focused mainly on those literature is accessible, however, it is to be expected countries in western africa lying south of the sahara, that teachers and lecturers will know of it and will be that is, between about son and 15°n, and westward able to acquaint their students with it, where neces of about 15°e. parts of the region as far north as sary. about 200n are considered from time to time, for a glossary of terms is provided at the end of the purposes of correlation and cqntinuity. the map on volume, and there is a summary at the beginning of p. xiii indicates the approximate extent of the cover each chapter. age. this book is dedicated to the many colleagues and the principal aim is to provide a broad view of students with whom we have worked in west africa west african geology as a whole, for undergraduates and who have stimulated and encouraged our teach who are studying for honours degrees in geology and ing and research in various ways. we hope also that it may help the work of international organizations who already have an understanding of basic geologi cal principles. it is increasingly important that such as agid, cifeg and unesco to encourage the growing trend towards geological co-operation geologists working in this region should see it as made up of geological 'provinces' which transcend and correlation between different countries in west national boundaries. africa.

Paysages quaternaires de l'Afrique centrale atlantique

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Author by : Raymond Lanfranchi, Dominique Schwartz
Languange Used : English, France, Spanish, Italia and chinese
Page : 535
Isbn : 9782709910224
Identifier : 2709910225
Release : 1990
Publisher by : IRD Editions
Category : Africa, Central
Total Download : 3174704
Total Read : 9201740
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Description : Read Now Paysages Quaternaires De L Afrique Centrale Atlantique by Raymond Lanfranchi, Dominique Schwartz and you can download with pub, pdf, txt, doc, and more file format with free account. cet ouvrage constitue une synthèse des recherches effectuées en afrique centrale atlantique dans le domaine du quaternaire, incluant les travaux les plus récents. il constitue également un premier essai de compréhension des paysages actuels par le biais de leur dynamique historique. ce volume s'articule selon cinq parties : les cadres naturels, diversité des espaces ; paléoenvironnements littoraux et marins ; géodynamique de la surface ; faunes, flores, paléoenvironnements continentaux ; préhistoire, protohistoire, anthropisation des paysages. cinquante-deux articles permettent ainsi de faire le point des connaissances actuelles sur quelques-uns des grands problèmes écologiques et paléoenvironnementaux de l'afrique centrale : dynamique des massifs forestiers et des savanes, variations climatiques, érosion, influence de l'homme. cet ouvrage est également l'occasion de faire la synthèse des travaux archéologiques les plus récents dans la région : ancienneté du peuplement humain, cultures préhistoriques, diffusion de la céramique, de la métallurgie, de l'agriculture. ces articles ont été rédigés par cinquante-neuf spécialistes de la région, originaires de douze pays différents.

Field manual for African archaeology

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Author by : Alexandre Livingstone-Smith
Languange Used : English, France, Spanish, Italia and chinese
Page : 317
Isbn : 9789492244277
Identifier : 9492244276
Release : 2017
Publisher by :
Category : Africa
Total Download : 2385303
Total Read : 8062824
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Description : Read Now Field Manual For African Archaeology by Alexandre Livingstone-Smith and you can download with pub, pdf, txt, doc, and more file format with free account. "this m,anual aims at explaining essential concepts pertaining to the practice of conducting archaeological field work in africa. no fewer than 63 authors draw on their practical experience in the field to cover specific topics. it seeks to provide concise and readable notes that can be consulted in the field. each chapter corresponds to a specific phase in the investigative process, from locating and excavating a site, to cataloguing and interpreting findings, and then publishing the results." --home page

Archean Crustal Evolution

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Author by : K.C. Condie
Languange Used : English, France, Spanish, Italia and chinese
Page : 527
Isbn : 9780080869100
Identifier : 0080869106
Release : 1994-11-11
Publisher by : Elsevier
Category : Science
Total Download : 6754931
Total Read : 6016915
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Description : Read Now Archean Crustal Evolution by K.C. Condie and you can download with pub, pdf, txt, doc, and more file format with free account. the integration of tectonics/geochemistry, up-to-date reviews by leading scientists as well as a broad topical coverage of the archean, are some of the features of this particular volume. as geochronology has progressed in the last 20 years, the archean has continued to attract interest. advancements in the understanding of archean crustal and mantle evolution have progressed rapidly since the first international archean symposium in western australia (1970). the landmark for the archean was the nato advanced study institute at leicester (1975). at this meeting the archean truly "came of age". investigators from many different disciplines focused their expertise on the early history of the earth. for the first time, the nature of the atmosphere, oceans, and life during the archean was an important part of an archean symposium. during the most recent archean symposium in perth in 1990, there was a shift in interest from field and trace element data to the new rapidly evolving high-precision u/pb geochronology of archean rocks and to detailed structural studies of both low and high grade archean terrains. the terrane concept so widely applied to the phanerozoic was proposed for the archean yilgarn province in western australia and is now widely accepted for the archean (as evident by the articles in this book). plate tectonics is now widely accepted as the principal process that controls the history of continents and oceans. there are, though, well substantiated differences between archean and post-archean rocks that indicate that archean tectonic regimes must have differed in some respects from modern ones. the question of how and to what degree did archean plate tectonics differ from modern plate tectonics is treated in many of the chapters of this book. altogether, the editor has presented a selection of articles that provide a fascinating insight into the latest observations in this field.

War and Other Means Power and violence in Houaïlou (New Caledonia)

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Author by : Michel Naepels
Languange Used : English, France, Spanish, Italia and chinese
Page : 321
Isbn : 1760461547
Identifier : 9781760461546
Release : 2017-10-18
Publisher by : ANU Press
Category : History
Total Download : 9669519
Total Read : 7496828
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Description : Read Now War And Other Means by Michel Naepels and you can download with pub, pdf, txt, doc, and more file format with free account. war and other means describes and analyses the practices of war, the ‘objects of war’ and the conventions of the use of violence in houaïlou, new caledonia. it focuses on the colonial repression conducted in 1856 and after, the anti-sorcerer hunt in 1955, the independence mobilisation in the 1980s and the village feuds in the 2000s. through this archaeology of violence, it reports on the practical inventiveness, intelligence and cunning of the kanaks involved in social, often violent, conflicts. the use of archival material and recourse to the oral stories gathered from the inhabitants of houaïlou restores the depth of these historical moments and the nested contexts of the political action that unfolded; it also questions the value and limits of fieldwork investigation. these episodes are moments of change in the social, administrative, land and political organisation of new caledonia; they make it possible to understand, from france’s takeover to the present day, the real modalities of implementation of colonial and postcolonial governmentality. the attention given to the invention, the importation or the adaptation of repressive techniques, closely linked to the french experience in algeria, opens up a geopolitics of colonisation. through this detailed description of the social logics of conflict, michel naepels also invites us to reflect on the place of european fantasies on violence and on the representations of otherness. for the french edition, conjurer la guerre. violence et pouvoir à houaïlou (nouvelle-calédonie), published by Éditions de l’École des hautes études en sciences sociales, please visit editions.ehess.fr/ouvrages/ouvrage/conjurer-la-guerre

Pre-Mesozoic Geology in the Alps

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Author by : J.F.v. Raumer, Franz Neubauer
Languange Used : English, France, Spanish, Italia and chinese
Page : 677
Isbn : 3642846408
Identifier : 9783642846403
Release : 2012-12-06
Publisher by : Springer Science & Business Media
Category : Science
Total Download : 9381670
Total Read : 2281785
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Description : Read Now Pre Mesozoic Geology In The Alps by J.F.v. Raumer, Franz Neubauer and you can download with pub, pdf, txt, doc, and more file format with free account. the alps are an arched mountain chain stretching 1500 km between vienna and graz in austria and genova in italy. they resulted from the collision of the african and laurasian plates during mesozoic and tertiary times. the high standard of knowledge attained over the last 30 years by the working groups on "alpine metamorphism" is well known and helped considerably to recognize pre-mesozoic elements in the alps. in part i of this book the subdivision of the major alpine units and pre-mesozoic pal inspastic reconstructions are covered before discussion of the pre-mesozoic geology in parts ii, iii and iv it is understood that the mesozoic and later events overprinted pre-existing structures veiling the earlier history and the nature of protoliths. although the alpine overprint does not facilitate the recognition of older struc tures, pre-mesozoic basement units were recognized during the first beginnings of geological observations in the alps, about 200 years ago. fifty percent of the alpine domain is underlain by basement units that have been unconformably covered since permian and mesozoic times. this basement appears today in a complex pattern among the alpine structures. the history of their discovery and explanation, parallel with a growing sophistication of research methods, are the subject of the introductory chapter of part ii.

The Australian Continent A Geophysical Synthesis

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Author by : Brian Kennett, Richard Chopping, Richard Blewett
Languange Used : English, France, Spanish, Italia and chinese
Page : 133
Isbn : 1760462470
Identifier : 9781760462475
Release : 2018-08-29
Publisher by : ANU Press
Category : Science
Total Download : 749037
Total Read : 5963127
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Description : Read Now The Australian Continent by Brian Kennett, Richard Chopping, Richard Blewett and you can download with pub, pdf, txt, doc, and more file format with free account. the australian continent: a geophysical synthesis is designed to provide a summary of the character of the australian continent through the extensive information available at the continental scale, as a contribution to the understanding of australia's lithospheric architecture and its evolution. the results build on the extensive databases assembled at geoscience australia, particularly for potential fields, supplemented by the full range of seismological information, mostly from the australian national university. to aid in cross comparison of results from different disciplines, information is presented with a common projection and scales.

Geodynamic Models An Evaluation and Synthesis

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Author by : R. W. Van Bemmelen
Languange Used : English, France, Spanish, Italia and chinese
Page : 480
Isbn : 1483257037
Identifier : 9781483257037
Release : 2013-10-22
Publisher by : Elsevier
Category : Science
Total Download : 42155
Total Read : 8162912
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Description : Read Now Geodynamic Models by R. W. Van Bemmelen and you can download with pub, pdf, txt, doc, and more file format with free account. developments in geotectonics, volume 2: geodynamic models: an evaluation and a synthesis presents the concept of sea-floor spreading and the hypothesis of global plate tectonics. this book provides a basic understanding of the global movements. organized into eight chapters, this volume begins with an overview of the concept of global plate tectonics, with its additional hypotheses of subduction zones and sea-floor spreading. this text then examines the concept of vertical deformations of the lithosphere and their gravitational spreading. other chapters consider the analysis of geotectonic processes that is based on some general principles of their mechanics. this book discusses as well the origin of mega-undations in turbulent and laminar flow systems in the lower mantle, where the matter may have a newtonian viscosity. the final chapter deals with the geodynamics of the earth's crust as the result of the outward growth of the deep ocean floor from mid-ocean ridges. this book is a valuable resource for geologists, geonomists, and geophysicists.

From Geoheritage to Geoparks Case Studies from Africa and Beyond

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Author by : Ezzoura Errami, Margaret Brocx, Vic Semeniuk
Languange Used : English, France, Spanish, Italia and chinese
Page : 269
Isbn : 3319107089
Identifier : 9783319107080
Release : 2015-01-13
Publisher by : Springer
Category : Nature
Total Download : 908734
Total Read : 8886506
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Description : Read Now From Geoheritage To Geoparks by Ezzoura Errami, Margaret Brocx, Vic Semeniuk and you can download with pub, pdf, txt, doc, and more file format with free account. this unique book is dedicated to helping promote geoheritage, geoconservation, and geoparks in africa and the middle east. local, regional, global and thematic case studies including a geoheritage toolkit are used to illustrate the scope and depth of geoheritage and highlight some current geoparks and aspiring candidates in africa, the middle east, china , europe,and australia. this special issue mainly consists of the proceedings of the first international conference on geoparks in africa and middle east (ficgame) held in, el jadida, morocco in 2011. the conference, hosted by the faculty of sciences of chouaib doukkali university, was organized by the african geoparks network and the african association of women in geosciences incollaboration with the unesco cairo office.

Collision Tectonics

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Author by : M. P. Coward
Languange Used : English, France, Spanish, Italia and chinese
Page : 415
Isbn :
Identifier : UCSD:31822002317907
Release : 1986
Publisher by :
Category : Continental drift
Total Download : 3222810
Total Read : 2358188
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Mineral Deposits of North Africa

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Author by : Mohammed Bouabdellah, John F. Slack
Languange Used : English, France, Spanish, Italia and chinese
Page : 594
Isbn : 3319317334
Identifier : 9783319317335
Release : 2016-06-21
Publisher by : Springer
Category : Science
Total Download : 6454563
Total Read : 5915821
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Description : Read Now Mineral Deposits Of North Africa by Mohammed Bouabdellah, John F. Slack and you can download with pub, pdf, txt, doc, and more file format with free account. this volume presents an exhaustive overview of major orebodies and mineral deposits of north africa. it is intended both for academic researchers and especially for exploration geologists interested in mineral exploration in the northern part of the african continent. recent changes in the mining laws of most countries in this region have encouraged international mining companies to invest in local mineral industries. accordingly, this volume will be very useful for these professionals, as well as for researchers in the field of economic geology.

The Geology and Mineral Resources of the Bolivian Precambrian Shield

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Author by : M. Litherland
Languange Used : English, France, Spanish, Italia and chinese
Page : 153
Isbn :
Identifier : STANFORD:36105032988813
Release : 1986
Publisher by :
Category : Science
Total Download : 8743530
Total Read : 7814843
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Stratigraphy Quo Vadis

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Author by : EUGEN AUTOR SEILBOLD, Johan D. Meulenkamp
Languange Used : English, France, Spanish, Italia and chinese
Page : 70
Isbn :
Identifier : UCAL:B4164037
Release : 1984
Publisher by : Amer Assn of Petroleum Geologists
Category : Science
Total Download : 9947468
Total Read : 2253702
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