Nature Of Magmatism In The Appalachian Orogen
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Author |
: A. Krishna Sinha |
Publisher |
: Geological Society of America |
Total Pages |
: 892 |
Release |
: 1997-01-01 |
ISBN-10 |
: 0813711916 |
ISBN-13 |
: 9780813711911 |
Rating |
: 4/5 (16 Downloads) |
Synopsis The Nature of Magmatism in the Appalachian Orogen by : A. Krishna Sinha
The thermal evolution of mountain belts is recorded inthe distribution, origin and ages of magnatism. In this volume, petrologic, isotopic and geochemical evidence is presented to highlight the contribution of igneous rocks to the evolution of the Appalachian Orogen in both Canada and the United States. These papers emphasize the use of modern geochemical and petrologic data to discriminate the sources yielding magmas, and thus the nature of the crust and mantle.
Author |
: |
Publisher |
: |
Total Pages |
: |
Release |
: 1997 |
ISBN-10 |
: OCLC:651126883 |
ISBN-13 |
: |
Rating |
: 4/5 (83 Downloads) |
Synopsis Nature of Magmatism in the Appalachian Orogen by :
Author |
: James W. Sears |
Publisher |
: Geological Society of America |
Total Pages |
: 440 |
Release |
: 2007-01-01 |
ISBN-10 |
: 9780813724331 |
ISBN-13 |
: 0813724333 |
Rating |
: 4/5 (31 Downloads) |
Synopsis Whence the Mountains? by : James W. Sears
The 19 original papers on the tectonic evolution of mountain systems were collected to mark the 50th anniversary of Price's description of the Canadian Cordillera. A sampling of topics turns up the driving mechanism and three-dimensional circulation of plate tectonics, the Belt-Purcell Basic as the keystone of the Rocky Mountain fold-and-thrust belt in the US and Canada, Silurian-Devonian orogenic events in the central Appalachians and the crystalline southern Appalachians, and defining the eastern boundary of the North Asian craton from structural and subsidence history studies of the Verkhoyansk fold-and-thrust belt. A fold-out sheet of color maps and diagrams is tucked into a pocket inside the back cover.
Author |
: Robert D. Larter |
Publisher |
: Geological Society of London |
Total Pages |
: 362 |
Release |
: 2003 |
ISBN-10 |
: 1862391475 |
ISBN-13 |
: 9781862391475 |
Rating |
: 4/5 (75 Downloads) |
Synopsis Intra-oceanic Subduction Systems by : Robert D. Larter
Recycling of oceanic plate back into the Earth's interior at subduction zones is one of the key processes in Earth evolution. Volcanic arcs, which form above subduction zones, are the most visible manifestations of plate tectonics, the convection mechanism by which the Earth loses excess heat. They are probably also the main location where new continental crust is formed, the so-called 'subduction factory' About 400f modern subduction zones on Earth are intra-oceanic. These subduction systems are generally simpler than those at continental margins as they commonly have a shorter history of subduction and their magmas are not contaminated by ancient sialic crust. They are therefore the optimum locations for studies of mantle processes and magmatic addition to the crust in subduction zones.
Author |
: R.D. Nance |
Publisher |
: Geological Society of London |
Total Pages |
: 814 |
Release |
: 2024-04-24 |
ISBN-10 |
: 9781786205995 |
ISBN-13 |
: 1786205998 |
Rating |
: 4/5 (95 Downloads) |
Synopsis Supercontinents, Orogenesis and Magmatism by : R.D. Nance
This volume is a tribute to the career of J. Brendan Murphy and features papers by over 100 authors from countries all over the world: a testament to the high-profile and far-reaching influence of Brendan’s work. The topics covered fall into three broad categories that encompass Brendan’s main fields of influence: (1) supercontinents and the supercontinent cycle, including reconstructions and modelling; (2) orogenesis and terranes, with a focus on the Appalachian–Variscan and Central Asian orogenic belts and the oceans with which they are associated; and (2) magmatism and magmatic processes, centring on the geochemistry and isotopic compositions of magmas in arc and rift setting. Like Brendan’s own research, the scope of the papers spans the globe and ranges from strongly field-based studies to conceptual analyses. All of the articles, however, are focused on unravelling some critical aspect of geology or aimed at clarifying some crucial geological process. Hence, they also share a theme common to Brendan’s many contributions in emphasizing the importance of process-oriented research.
Author |
: Richard D. Law |
Publisher |
: Geological Society of America |
Total Pages |
: 393 |
Release |
: 2017-09-11 |
ISBN-10 |
: 9780813712130 |
ISBN-13 |
: 0813712130 |
Rating |
: 4/5 (30 Downloads) |
Synopsis Linkages and Feedbacks in Orogenic Systems by : Richard D. Law
Dedicated to Bob Hatcher, this Memoir explores linkages between tectonic processes through a series of field-, numerical- and laboratory-based studies, concentrating on feedback mechanisms within ancient and evolving orogens by which individual or linked tectonic processes may influence or predetermine the operation of other processes in space and time. Case studies cover a wide range of ancient to modern orogens: the Svecofennian of southern Finland, the Gyeonggi Massif of Korea, the Caledonides of northern Scotland, the Variscan of the East European craton, the Appalachians of the eastern United States, the European Alps and Dinarides, north Cascades of the northwestern United States, and the Himalaya. Emphasis is placed on integration between data sets developed from a wide range of analytical approaches, including: field mapping, seismic reflection profiling, strain analyses, petrology, isotopic dating, and numerical modeling-based studies of thermal evolution associated with tectonic processes such as thrust-related burial and exhumation.
Author |
: Jean H. Bédard |
Publisher |
: Natural Resources Canada |
Total Pages |
: 80 |
Release |
: 2000 |
ISBN-10 |
: 9780660181158 |
ISBN-13 |
: 0660181150 |
Rating |
: 4/5 (58 Downloads) |
Synopsis Betts Cove Ophiolite and Its Cover Rocks, Newfoundland by : Jean H. Bédard
The Betts Cove area of the Baie Verte Peninsula, northern Newfoundland, is of interest for its mineral exploration history and for its ophiolitic complex formed through sea floor spreading. This study attempts to resolve some of the unresolved problems related to the area's stratigraphy, the magmatic affinity of its plutonic section, and the geologic controls on ore deposition. The report presents a revised stratigraphy for the area; a petrologic description of the rock units of the Betts Cove ophiolite, Snooks Arm Group, adjoining ophiolitic rocks, and post-Ordovician rocks; a history of structural deformation in the area; information on mineral chemistry, geochemistry, and petrogenesis; and tectonic models illustrating the evolution of the ophiolite and its cover rocks. The final section describes mineral deposits & occurrences in the area, including historic volcanogenic copper/sulphide mines, the currently producing Nugget Pond mine, and various gold occurrences.
Author |
: Richard P. Tollo |
Publisher |
: Geological Society of America |
Total Pages |
: 972 |
Release |
: 2010 |
ISBN-10 |
: 9780813712062 |
ISBN-13 |
: 0813712068 |
Rating |
: 4/5 (62 Downloads) |
Synopsis From Rodinia to Pangea by : Richard P. Tollo
"The Appalachians constitute one of Earth's major tectonic features and have served as a springboard for innovative geologic thought for more than 170 years. This volume contains 36 original papers reporting the results of research performed throughout nearly the entire length and breadth of the Appalachian region, including all major provinces and geographical areas. Memoir 206 was designed to commemorate the (near-)fortieth anniversary of the publication of the classic Studies of Appalachian Geology volumes that appeared just prior to the application of plate tectonic concepts to the region. Contributions concerning structural evolution, sedimentation, stratigraphy, magmatic processes, metamorphism, tectonics, and terrane accretion illustrate the wide range of ongoing research in the area and collectively serve to mark the considerable progress in scientific thought that has occurred during the past four decades."--pub. desc.
Author |
: Geological Survey (U.S.) |
Publisher |
: |
Total Pages |
: 836 |
Release |
: 1989 |
ISBN-10 |
: UOM:39015023323820 |
ISBN-13 |
: |
Rating |
: 4/5 (20 Downloads) |
Synopsis New Publications of the Geological Survey by : Geological Survey (U.S.)
Author |
: Geological Society of America |
Publisher |
: Geological Society of America |
Total Pages |
: 406 |
Release |
: 2012 |
ISBN-10 |
: 9780813700298 |
ISBN-13 |
: 0813700299 |
Rating |
: 4/5 (98 Downloads) |
Synopsis From the Blue Ridge to the Coastal Plain; Field Excursions in the Southeastern United States by : Geological Society of America