U.S. Geological Survey Bulletin PDF Download
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 140
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 140
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Author: J. Christopher Haley
Publisher:
ISBN:
Category : Asphalt
Languages : en
Pages : 446
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Book Description
This history of placer mining of the gold deposits of east central Alaska, near the town of Circle, covers its development from 1893 to date and includes a summary of the regional geology and of the gravels of each creek.
Author:
Publisher:
ISBN:
Category : Periodicals
Languages : en
Pages : 2316
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Book Description
A union list of serials commencing publication after Dec. 31, 1949.
Author: Allen F. Sanborn
Publisher: Elsevier
ISBN: 0124166385
Category : Science
Languages : en
Pages : 1010
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Book Description
This is the third in a series of catalogs and bibliographies of the Cicadoidea covering 1981-2010. The work summarizes the cicada literature, providing a means for easy access to information previously published on a particular species or to allow researchers the ability to locate similar work that has been published on other species. A total of 2,591 references are included in the bibliography. The book is a source of biological and systematic information that could be used by zoologists, entomologists, individuals interested in crop protection, and students studying entomology as well as anyone interested in cicadas or who require specific information on the insects. Each genus/species is identified with the reference, the page number, any figures (if applicable), the topics covered by the reference, any synonymies, and any biogeographic information mentioned for the species in the individual reference. An added benefit to the catalog is that it is the first complete species list for the Cicadoidea, including all synonymies and new combinations through 2012. - Provides nearly four times the number of references of the previous catalog, demonstrating the explosion of data since that time - Contains all references found that mention a genus or species name in the work - Includes more than 300 additional references that were not in the two previous works on this subject - Features the first complete species list for the Cicadoidea, including all synonymies
Author: S.G. Lucas
Publisher: Geological Society of London
ISBN: 1786205424
Category : Science
Languages : en
Pages : 1012
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Book Description
The print edition is published as 2 hardback volumes, parts A and B, and sold as a set. The Carboniferous was the time of the assembly of Pangaea by the collision of the Gondwanan and Larussian supercontinents, and the principal interval of the late Paleozoic ice ages. These tectonic and climatic events caused dramatic sea-level fluctuations and climate changes and produced a Carboniferous world that was diverse topographically and climatologically, perhaps only rivalled in that diversity by the late Cenozoic world. Furthermore, the Carboniferous was a time of the accumulation of vast coal deposits of great economic and societal significance. The temporal ordering of geological and biotic events during Carboniferous time thus is critical to the interpretation of some unique and pivotal events in Earth history. This temporal ordering is based on the Carboniferous timescale, which has been developed and refined for nearly two centuries. This book reviews the history of the development of the Carboniferous chronostratigraphic scale and includes comprehensive analyses of Carboniferous radioisotopic ages, magnetostratigraphy, isotope-based correlations, cyclostratigraphy and timescale-relevant marine and non-marine biostratigraphy and biochronology.
Author: Emmanuelle Arnaud
Publisher: Geological Society of London
ISBN: 9781862393349
Category : Science
Languages : en
Pages : 750
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Book Description
In recent years, interest in Neoproterozoic glaciations has grown as their pivotal role in Earth system evolution has become increasingly clear. One of the main goals of the IGCP Project number 512 was to produce a synthesis of newly available information on Neoproterozoic successions worldwide. This Memoir consists of a series of overview chapters followed by site-specific chapters. The overviews cover key topics including the history of research on Neoproterozoic glaciations, identification of glacial deposits, chemostratigraphic techniques and datasets, palaeomagnetism, biostratigraphy, geochronology and climate modelling. The site specific chapters include reviews of the history of research on these rocks and up-to-date syntheses of the structural framework, tectonic setting, palaeomagnetic & geochronological constraints, physical, biological, and chemical stratigraphy, and descriptions of the glaciogenic and associated strata, including economic deposits.
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 704
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Book Description
Author: F M Gradstein
Publisher: Elsevier
ISBN: 0444594256
Category : Science
Languages : en
Pages : 1176
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Book Description
The Geologic Time Scale 2012, winner of a 2012 PROSE Award Honorable Mention for Best Multi-volume Reference in Science from the Association of American Publishers, is the framework for deciphering the history of our planet Earth. The authors have been at the forefront of chronostratigraphic research and initiatives to create an international geologic time scale for many years, and the charts in this book present the most up-to-date, international standard, as ratified by the International Commission on Stratigraphy and the International Union of Geological Sciences. This 2012 geologic time scale is an enhanced, improved and expanded version of the GTS2004, including chapters on planetary scales, the Cryogenian-Ediacaran periods/systems, a prehistory scale of human development, a survey of sequence stratigraphy, and an extensive compilation of stable-isotope chemostratigraphy. This book is an essential reference for all geoscientists, including researchers, students, and petroleum and mining professionals. The presentation is non-technical and illustrated with numerous colour charts, maps and photographs. The book also includes a detachable wall chart of the complete time scale for use as a handy reference in the office, laboratory or field. The most detailed international geologic time scale available that contextualizes information in one single reference for quick desktop access Gives insights in the construction, strengths, and limitations of the geological time scale that greatly enhances its function and its utility Aids understanding by combining with the mathematical and statistical methods to scaled composites of global succession of events Meets the needs of a range of users at various points in the workflow (researchers extracting linear time from rock records, students recognizing the geologic stage by their content)
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 284
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 470
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Book Description
