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Proceedings of a symposium held in honor of Maurice Ewing at Arden House, Harriman, N.Y. on March 28-31, 1976.
Developments in Geotectonics, 3: Island Arcs: Japan and its Environs focuses on geophysical and geological characteristics of island arcs. The book first reviews the geophysical and geological features of island arcs, including topography, crust and upper mantle structure, seismicity, direction of principal stresses of earthquakes, crustal deformation and fault systems, and geological structure. The distributions of Cenozoic volcanoes and hot springs, petrology of volcanic rocks, magnetic fields, and anomaly of electrical conductivity are also discussed. The publication also takes a look at the Cenozoic history of the Japanese Islands relative to the formation of island arcs. The Quaternary tectonic movements of Japan are reviewed. The text ponders on the processes under island arcs, such as generation and ascent of primary magma; convection current descending under island arcs; island arc tectonics and oceanic ridge tectonics; and mechanical process inferred from seismic wave radiation. The text is a valuable reference for geologists and readers interested in island arcs.
This report describes the geologic history and structural configuration of the Alaska Peninsula. A geological map at a scale of 1:250,000 presents in detail the results of recent field investigations in the Alaska Peninsula and adjacent Pacific Islands. A tectonic map incorporating this new information, at a scale of 1:1,000,000, shows the structural configuration of the Alaska Peninsula area. The text is devoted largely to a presentation of basic stratigraphic relationships and to an interpretation of the structural features and history of the Alaska Peninsula. (Author).
Vol. 174AX bound with Proceedings of the Ocean Drilling Program. Scientific results Vol. 174A.
Forty-five contributors offer information on the physical environment, history, culture, population, economy, and living environment of the Pacific islands.
The new fourth edition of Fundamentals of Geomorphology continues to provide a comprehensive introduction to the subject by discussing the latest developments in the field, as well as covering the basics of Earth surface forms and processes. The revised edition has an improved logically cohesive structure, added recent material on Quaternary environments and landscapes, landscape evolution and tectonics, as well as updated information in fast-changing areas such as the application of dating techniques, digital terrain modelling, historical contingency, preglacial landforms, neocatastrophism, and biogeomorphology. The book begins with a consideration of the nature of geomorphology, process and form, history, and geomorphic systems, and moves on to discuss: Endogenic processes: structural landforms associated with plate tectonics and those associated with volcanoes, impact craters, and folds, faults, and joints. Exogenic processes: landforms resulting from, or influenced by, the exogenic agencies of weathering, running water, flowing ice and meltwater, ground ice and frost, the wind, and the sea; landforms developed on limestone; and long-term geomorphology, a discussion of ancient landforms, including palaeosurfaces, stagnant landscape features, and evolutionary aspects of landscape change. Featuring over 400 illustrations, diagrams, and tables, Fundamentals of Geomorphology provides a stimulating and innovative perspective on the key topics and debates within the field of geomorphology. Written in an accessible and lively manner, and providing guides to further reading, chapter summaries, and an extensive glossary of key terms, this is an indispensable undergraduate level textbook for students of physical geography.
"Islands have captured the imagination of scientists and the public for centuries - unique and rare environments, their isolation makes them natural laboratories for ecology and evolution. This authoritative, alphabetically arranged reference, featuring more than 200 succinct articles by leading scientists from around the world, provides broad coverage of all the island sciences. But what exactly is an island? The volume editors define it here as any discrete habitat isolated from other habitats by inhospitable surroundings. The Encyclopedia of Islands examines many such insular settings - oceanic and continental islands as well as places such as caves, mountaintops, and whale falls at the bottom of the ocean. This essential, one-stop resource, extensively illustrated with color photographs, clear maps, and graphics will introduce island science to a wide audience and spur further research on some of the planet's most fascinating habitats." --Book Jacket.
Arc-continent collision has been one of the important tectonic processes in the formation of mountain belts throughout geological time, and it continues to be so today along tectonically active plate boundaries such as those in the SW Pacific or the Caribbean. Arc-continent collision is thought to have been one of the most important process involved in the growth of the continental crust over geological time, and may also play an important role in its recycling back into the mantle via subduction. Understanding the geological processes that take place during arc-continent collision is therefore of importance for our understanding of how collisional orogens evolve and how the continental crust grows or is destroyed. Furthermore, zones of arc-continent collision are producers of much of the worlds primary economic wealth in the form of minerals, so understanding the processes that take place during these tectonic events is of importance in modeling how this mineral wealth is formed and preserved. This book brings together seventeen papers that are dedicated to the investigation of the tectonic processes that take place during arc-continent collision. It is divided into four sections that deal firstly with the main players involved in any arc-continent collision; the continental margin, the subduction zone, and finally the volcanic arc and its mineral deposits. The second section presents eight examples of arc-continent collisions that range from being currently active through to Palaeoproterozoic in age. The third section contains two papers, one that deals with the obduction of large-slab ophiolites and a second that presents a wide range of physical models of arc-continent collision. The fourth section brings everything that comes before together into a discussion of the processes of arc-continent collision.