Field Trip Guide: the Northern Sierra Nevada PDF Download
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Author: Richard A. Schweickert
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 58
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Book Description
Author: Richard A. Schweickert
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 58
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Book Description
Author: Joseph V. Tingley
Publisher: NV Bureau of Mines & Geology
ISBN: 1888035099
Category : Science
Languages : en
Pages : 188
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Book Description
Author: Becky Weimer Purkey
Publisher: Nevada Bureau of Mines & Geology
ISBN: 9781888035018
Category : Science
Languages : en
Pages : 216
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Book Description
Mile-by-mile tour descriptions highlight significant points of geologic and cultural interest.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 51
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Book Description
Author: A. M. Celâl ?engör
Publisher: Geological Society of America
ISBN: 0813721954
Category : Science
Languages : en
Pages : 97
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Book Description
The analysis presented here suggests that nearly all of the Eurasian "intra-cratonic" structures, classically viewed by some geologists to have resulted from primary vertical movements, may be products of horizontal movements caused by repeated orogenies around the periphery of cratons. Understanding the evolution of the Cimtnerides together with their fore- and hinterlands sheds much light on the Mesozoic tectonics of all of Asia and eastern Europe and leads to a number of interesting concepts concerning continental evolution, such as "hidden subduction." Finally, a study on the evolution of ideas on the Cimmerides clearly shows how much we remain under the spell of the Kober-Stillean fixist philosophy.
Author: Bill Bonnichsen
Publisher: Idaho Geological Survey
ISBN:
Category : Geology, Structural
Languages : en
Pages : 508
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309102251
Category : Science
Languages : en
Pages : 160
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Book Description
In response to a request from Congress, Surface Temperature Reconstructions for the Last 2,000 Years assesses the state of scientific efforts to reconstruct surface temperature records for Earth during approximately the last 2,000 years and the implications of these efforts for our understanding of global climate change. Because widespread, reliable temperature records are available only for the last 150 years, scientists estimate temperatures in the more distant past by analyzing "proxy evidence," which includes tree rings, corals, ocean and lake sediments, cave deposits, ice cores, boreholes, and glaciers. Starting in the late 1990s, scientists began using sophisticated methods to combine proxy evidence from many different locations in an effort to estimate surface temperature changes during the last few hundred to few thousand years. This book is an important resource in helping to understand the intricacies of global climate change.
Author: Gerald E. Ray
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 328
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Book Description
Skarns in British Columbia have historically been important sources of iron, tungsten, copper, and gold. This publication begins with an introduction on skarn terminology and the problems of skarn identification. It then reviews a genetic model of skarn formation and presents descriptive profiles of eight types of skarn deposits; describes the database of at least 735 skarn occurrences in the province, and the number and distribution of skarns in British Columbia according to their associations, class, age, and distribution; and notes the ages of British Columbia skarns and the total production of various metals extracted from British Columbia skarns. Subsequent sections provide information on assays and metal ratios of mineralized skarns, skarn mineralogy, skarn mineral chemistry, chemistry of skarn-related intrusions, and the mapping and evaluation of skarns. The appendix contains a listing of 735 skarn occurrences in British Columbia, giving deposit name, MINFILE number, latitude/longitude, elements and minerals present, and associated rocks and their ages.
Author: Abraham Lerman
Publisher: Springer Science & Business Media
ISBN: 3642851320
Category : Science
Languages : en
Pages : 345
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Book Description
A lake, as a body of water, is in continuous interaction with the rocks and soils in its drainage basin, the atmosphere, and surface and groundwaters. Human industrial and agricultural activities introduce new inputs and processes into lake systems. This volume is a selection of ten contributions dealing with diverse aspects of lake systems, including such subjects as the geological controls of lake basins and their histories, mixing and circulation patterns in lakes, gaseous exchange between the water and atmosphere, and human input to lakes through atmospheric precipitation and surficial runoff. This work was written with a dual goal in mind: to serve as a textbook and to provide professionals with in-depth expositions and discussions of the more important aspects of lake systems.
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 156
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Book Description
