From Terranes to Terrains

From Terranes to Terrains PDF Author: Adam M. Booth
Publisher: Geological Society of America
ISBN: 0813700620
Category : Science
Languages : en
Pages : 362

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Book Description
The eight field trips in this volume, associated with GSA Connects 2021 held in Portland, Oregon, USA, reflect the rich and varied geological legacy of the Pacific Northwest. The western margin of North America has had a complex subduction and transform history throughout the Phanerozoic, building a collage of terranes. The terrain has been modified by Cenozoic sedimentation, magmatism, and faulting related to Cascadia subduction, passage of the Yellowstone hot spot, and north and westward propagation of the Basin and Range province. The youngest flood basalt province on Earth also inundated the landscape, while the mighty Columbia watershed kept pace with arc construction and funneled epic ice-age floods from the craton to the coast. Additional erosive processes such as landslides continue to shape this dynamic geological wonderland.

From Terranes to Terrains

From Terranes to Terrains PDF Author: Adam M. Booth
Publisher: Geological Society of America
ISBN: 0813700620
Category : Science
Languages : en
Pages : 362

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Book Description
The eight field trips in this volume, associated with GSA Connects 2021 held in Portland, Oregon, USA, reflect the rich and varied geological legacy of the Pacific Northwest. The western margin of North America has had a complex subduction and transform history throughout the Phanerozoic, building a collage of terranes. The terrain has been modified by Cenozoic sedimentation, magmatism, and faulting related to Cascadia subduction, passage of the Yellowstone hot spot, and north and westward propagation of the Basin and Range province. The youngest flood basalt province on Earth also inundated the landscape, while the mighty Columbia watershed kept pace with arc construction and funneled epic ice-age floods from the craton to the coast. Additional erosive processes such as landslides continue to shape this dynamic geological wonderland.

Principles of Terrane Analysis

Principles of Terrane Analysis PDF Author: D.G. Howell
Publisher: Springer Science & Business Media
ISBN: 9780412546402
Category : Science
Languages : en
Pages : 266

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Book Description
This book introduces the reader to the principles of terrrane analysis, and describes how accretion tectonics relates to classic plate tectonics theory and what this represents in terms of mountain building and continental growth processes. A forensic-like investigation of continental geology is detailed, integrating many different sub-disciplines of the Earth Sciences. The concepts outlined have a practical bent and help to explain the nature and occurrences of petroleum and metallic mineral deposits.

Field Geology of High-Grade Gneiss Terrains

Field Geology of High-Grade Gneiss Terrains PDF Author: Cees W. Passchier
Publisher: Springer Science & Business Media
ISBN: 3642760139
Category : Science
Languages : en
Pages : 219

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Book Description
Although there are numerous publications on the geology of high-grade gneiss terrains, few descriptions exist of how to map and carry out structural analysis in these terrains. Textbooks on structural geology concentrate on technIques appli cable to low-grade terrains. Geologists who have no experience of mapping high-grade gneisses are often at a loss as to how to apply techniques to high grade rocks that were developed for low to medium grade metamorphic terrains. Any study of deep crustal processes and their development through time should begin with examination of the primary data source - outcrops of high grade metamorphic terrains. We feel that the urge to apply advanced techniques of fabric analysis, petrology, geochemistry, isotope geochemistry and age deter mination to these rocks often results in brief sampling trips in which there is little, if any analysis of the structural and metamorphic history revealed by outcrop patterns. Many studies of the metamorphic petrology and geochemistry of high-grade gneiss terrains make ineffective use of available field data, often because the authors are unaware of structural complexities and of the ways to recognise and use them. This is unfortunate, because much data can be collected in the field at minimal cost that cannot easily, if at all, be obtained from material in the laboratory. The primary igneous or sedimentary nature of a rock, the relative age of intrusive veins, and the sequence of deformation that they under went, can usually best be determined by straightforward observation in the field.

A Dictionary of Geology and Earth Sciences

A Dictionary of Geology and Earth Sciences PDF Author: Michael Allaby
Publisher: Oxford University Press, USA
ISBN: 0199653062
Category : Reference
Languages : en
Pages : 674

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Book Description
The Dictionary of Geology and Earth Sciences covers geology and related areas including planetary science, volcanology, palaeontology, and mineralogy. The new edition is thoroughly updated, with 150 new entries and numerous web links that are listed and regularly updated on a companion website.

Terrain

Terrain PDF Author: Geoff Chapple
Publisher: Penguin Random House New Zealand Limited
ISBN: 1775536807
Category : Science
Languages : en
Pages : 247

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Book Description
New Zealand’s many distinctive landforms are packed into a small space. Geoff Chapple, author of Te Araroa: The New Zealand Trail, set out on a year-long journey to find out why, and to seek out the shifting forces that shape them. For company, he chose to walk with geologists and the artisans who work the rock. The journey took him back through geology’s global history and onward from end to end of New Zealand. Terrain is the result – a lucid, personal and sometimes funny account of New Zealand’s most astonishing landscapes. Their stories and revelations are a prompt to look more closely at the ground we walk on.

Hard Road West

Hard Road West PDF Author: Keith Heyer Meldahl
Publisher: University of Chicago Press
ISBN: 0226923290
Category : Science
Languages : en
Pages : 352

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Book Description
The dramatic journeys of the 19th century Gold Rush come to life in this geologist’s tour of the American West and the events that shaped the land. In 1848, news of the discovery of gold in California triggered an enormous wave of emigration toward the Pacific. The dramatic terrain these settlers crossed is so familiar to us now that it is hard to imagine how frightening—even godforsaken—its sheer rock faces and barren deserts once seemed to them. Hard Road West brings their perspective vividly to life, weaving together the epic overland journey of the covered wagon trains and the compelling story of the landscape they encountered. Taking readers along the 2,000-mile California Trail, Keith Meldahl uses settler’s diaries and letters—as well as his own experiences on the trail—to reveal how the geology and geography of the West shaped our nation’s westward expansion. He guides us through a landscape of sawtooth mountains, following the meager streams that served as lifelines through an arid land, all the way to California itself, where colliding tectonic plates created breathtaking scenery and planted the gold that lured travelers west in the first place. “Alternates seamlessly between vivid accounts of the 19th-century journey and lucid explanations of the geological events that shaped the landscape traveled.”—Library Journal

The Engineering Geology and Hydrology of Karst Terrains

The Engineering Geology and Hydrology of Karst Terrains PDF Author: Barry F. Beck
Publisher: CRC Press
ISBN: 1000100103
Category : Science
Languages : en
Pages : 527

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Book Description
Engineers from around the world recount in this volume their successes and failures in attempting to deal with unique and quixotic landscapes.

Drift Exploration in Glaciated Terrain

Drift Exploration in Glaciated Terrain PDF Author: Geological Society of London
Publisher: Geological Society of London
ISBN: 9781862390829
Category : Science
Languages : en
Pages : 368

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Book Description
This volume describes the use of till geochemical and indicator mineral methods for mineral exploration in the glaciated terrain of Canada. The principles and examples described in this volume will have direct applications for exploration companies looking for diamonds, precious and base metals and uranium in glaciated parts of North America, northern Europe and Asia and mountainous regions of South America.

Report of the Session

Report of the Session PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 826

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Book Description


Records of the Geological Survey of India

Records of the Geological Survey of India PDF Author: Geological Survey of India
Publisher:
ISBN:
Category : Earthquakes
Languages : en
Pages : 278

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Book Description
Includes the Annual report of the Geological Survey of India, 1867-