Download or read book Strain Implications for the Formation of Clastic Dikes During Synextensional Deposition of Miocene Volcaniclastic Rocks in the Volcanic Hills Southwest Nevada written by August R. Ridde and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Eastern California Shear Zone (ECSZ) and the Central Walker Lane (CWL) constitute a tectonic boundary zone that accommodates differential displacement between the Sierra Nevada and the central Great Basin. The ECSZ and CWL are misaligned and, prior to 4 Ma and after ~13 Ma, displacement transfer between the two fault systems was accommodated along the Silver Peak-Lone Mountain (SPLM) extensional complex. The SPLM is comprised of a low-angle, northwest-dipping detachment fault separating metamorphic tectonites of the lower plate from metasedimentary Paleozoic rocks and Mesozoic plutons overlain by Cenozoic volcanic and sedimentary rocks of the upper-plate. During displacement on the SPLM detachment, the upperplate was partially disarticulated with the formation of fault-bounded synextensional basins. In the Volcanic Hills of northern Fish Lake Valley, Nevada, the upper-plate is well preserved and is composed of synextensional sedimentary and volcanic rocks. The sedimentary rocks are dated between 13 Ma and 11 Ma and are overlain unconformably by tuff ranging in age from 6.0 Ma to 5.9 Ma. In this area, the sedimentary and volcanic succession exhibits abrupt changes in thickness from 1100 m to 300 m due to differential subsidence on basin-bounding faults. Where exposed in the Volcanic Hills, the lowermost member of the synextensional succession, the Silver Peak formation, is composed of interbedded sandstone and conglomerate, containing Cenozoic volcanic and Paleozoic detritus, interbedded with ashflow tuff. Parts of this lithologic succession show evidence of rapid sedimentation with the formation of fluid escape structures in the form of subvertical sandstone and conglomerate dikes. The clastic dikes range in thickness from 0.4 cm to 2 cm and can be traced along strike for up to 3 m. The clastic dikes are primarily found in two orientations; N40°E ± 25° and N15°W ± 30° and are mutually cross-cutting at the outcrop; often forming a rhombohedral pattern. The development of two sets of dilational clastic dikes with mutually crosscutting relations suggests that they formed during flattening strain associated with displacement on basin bounding faults. These results are consistent with faultslip inversion studies showing finite flattening during displacement on faults in the Volcanic Hills.
Download or read book Lake margin Deposition in an Ensialic Rift Basin written by David P. Morley and published by . This book was released on 1983 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cenozoic Nonmarine Deposits of California and Arizona written by Raymond V. Ingersoll and published by . This book was released on 1982 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Economic Geology written by Jeffrey W. Hedenquist and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geomechanics and Geology written by J.P. Turner and published by Geological Society of London. This book was released on 2017-09-19 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geomechanics investigates the origin, magnitude and deformational consequences of stresses in the crust. In recent years awareness of geomechanical processes has been heightened by societal debates on fracking, human-induced seismicity, natural geohazards and safety issues with respect to petroleum exploration drilling, carbon sequestration and radioactive waste disposal. This volume explores the common ground linking geomechanics with inter alia economic and petroleum geology, structural geology, petrophysics, seismology, geotechnics, reservoir engineering and production technology. Geomechanics is a rapidly developing field that brings together a broad range of subsurface professionals seeking to use their expertise to solve current challenges in applied and fundamental geoscience. A rich diversity of case studies herein showcase applications of geomechanics to hydrocarbon exploration and field development, natural and artificial geohazards, reservoir stimulation, contemporary tectonics and subsurface fluid flow. These papers provide a representative snapshot of the exciting state of geomechanics and establish it firmly as a flourishing subdiscipline of geology that merits broadest exposure across the academic and corporate geosciences.
Download or read book Applied Structural Geology of Ore forming Hydrothermal Systems written by Julie V. Rowland and published by . This book was released on 2020 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Geology of Iberia A Geodynamic Approach written by Cecilio Quesada and published by . This book was released on 2019 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Taking a new global approach, this unique book provides an updated review of the geology of Iberia and its continental margins from a geodynamic perspective. Owing to its location close to successive plate margins, Iberia has played a pivotal role in the geodynamic evolution of the Gondwanan, Rheic, Pangea, Tethys s.l. and Eurasian plates over the last 600 Ma of Earth's history. The geological record starts with the amalgamation of Gondwana in the Neoproterozoic succeeded by the rifting and spreading of the Rheic ocean; its demise, which led to the amalgamation of Pangea in the late Paleozoic; the rifting and spreading of several arms of the Neotethys ocean in the Mesozoic Era and their ongoing closure, which was responsible for the Alpine orogeny. The significant advances in the last 20 years have attracted international research interest in the geology of the Iberian Peninsula. This volume presents the most comprehensive, careful and updated description of the variscan cycle in Iberia. This volume focuses in the different geological events since the Cambrian-Early Ordovician rift until the late variscan orocline formations including magmatic and metamorphic evolution.
Download or read book Geological Evolution of the Precambrian Indian Shield written by M.E.A. Mondal and published by Springer. This book was released on 2018-05-26 with total page 753 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents findings from research into the Precambrian history of the Indian shield obtained using state-of-the-art technology. It demonstrates a paradigm shift towards studying the Precambrian shield regions using petrological, geochemical, structural, metallogenic, sedimentological and paleobiological data from the rocks in the Precambrian shield area, and presents a collection of contributions on these diverse topics that help to reconstruct the Precambrian evolution of the Indian Shield.
Download or read book New Perspectives on Rio Grande Rift Basins From Tectonics to Groundwater written by Mark R. Hudson and published by Geological Society of America. This book was released on 2013-01-01 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Extending from Colorado, USA, on the north to the state of Chihuahua, Mexico, on the south, the Rio Grande rift divides the Colorado Plateau on the west from the interior of the North American craton on the east. This volume focuses on the Rio Grande rift's upper crustal basins and is organized geographically with study areas progressing from north to south. Nineteen chapters cover a variety of topics, including sedimentation history, rift basin geometries and the influence of older structure on rift basin evolution, faulting and strain transfer within and among basins, relations of magmatism to rift tectonism, and basin hydrogeology"--Provided by publisher.
Download or read book Mineral Resources of Turkey written by Franco Pirajno and published by Springer. This book was released on 2019-01-21 with total page 753 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book furnishes detailed information about Turkey's existing mineral resources, besides providing concepts and ideas which may help the search for potential mineral resources in the future. It is a first book in the English-language international literature on mineral resources of Turkey and it is aimed at economic geologists, mining engineers, and mining investors, as well as graduate and undergraduate students. This work focuses mainly on a range of mineral systems and related geological features throughout Turkey. Taking into account the lack of international literature on these resources, a considerable portion of the book explains the geological context of the region and the settings in which the mineral resources occur. The genetic characteristics of these mineral resources are emphasized and important information is also presented on their economic aspects. All chapter contributions are prepared by researchers and professional geologists.
Download or read book Miocene Stratigraphy written by A. Montanari and published by Elsevier. This book was released on 1997-06-18 with total page 713 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrated stratigraphy is essential for⧫ detailed paleoecologic studies of critical intervals in Earth history⧫ the calibration of the time scale for global use⧫ the establishment of Global Stratotype Sections and Points (GSSPs) for the definition of chronostratigraphic boundaries.This book constitutes an excellent and probably unique example of how interdisciplinary stratigraphic and geochronologic studies are approached with modern methodologies and techniques.It contains numerous unpublished, accurate radioisotopic dates of volcano-sedimentary layers interbedded in fossiliferous marine and continental Miocene sequences representing Mediterranean and Pacific environments. New, extremely detailed paleontologic data which constitute the basis for an accurate definition of the Miocene biostratigraphy, and the study of the ecologic evolution of Miocene marine environments are also included.The chapters are complimented by black-and-white photographs, graphic figures, and tables.Stratigraphers, paleontologists and sedimentologists plus geologists working in oil companies will certainly find this work of interest.
Download or read book Mind Over Magma written by Davis A. Young and published by Princeton University Press. This book was released on 2003-07-22 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation This book fulfills the lack of a modern analysis of the history of igneous petrology and will be a significant contribution. The author is a well-known igneous petrologist who appreciates the extent to which many geological questions are still awaiting definitive answers.
Download or read book Hydrothermal Iron Oxide Copper gold Related Deposits written by T. Michael Porter and published by . This book was released on 2002 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Low Temperature Thermochronology written by Peter W. Reiners and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 58 of Reviews in Mineralogy and Geochemistry presents 22 chapters covering many of the important modern aspects of thermochronology. The coverage of the chapters ranges widely, including historical perspective, analytical techniques, kinetics and calibrations, modeling approaches, and interpretational methods. In general, the chapters focus on intermediate- to low-temperature thermochronometry, though some chapters cover higher temperature methods such as monazite U/Pb closure profiles, and the same theory and approaches used in low-temperature thermochronometry are generally applicable to higher temperature systems. The widely used low- to medium-temperature thermochronometric systems are reviewed in detail in these chapters, but while there are numerous chapters reviewing various aspects of the apatite (U-Th)/He system, there is no chapter singularly devoted to it, partly because of several previous reviews recently published on this topic.
Download or read book Fluids in the Crust written by K. Shmulovich and published by Springer Science & Business Media. This book was released on 1994-12-31 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: For much of the 20th century, scientific contacts between the Soviet Union and western countries were few and far between, and often super ficial. In earth sciences, ideas and data were slow to cross the Iron Curtain, and there was considerable mutual mistrust of diverging scient ific philosophies. In geochemistry, most western scientists were slow to appreciate the advances being made in the Soviet Union by os. Korz hinskii, who put the study of ore genesis on a rigorous thermodynamic basis as early as the 1930s. Korzhinskii appreciated that the most fun damental requirement for the application of quantitative models is data on mineral and fluid behaviour at the elevated pressures and temper atures that occur in the Earth's crust. He began the work at the Institute of Experimental Mineralogy (IEM) in 1965, and it became a separate establishment of the Academy of Sciences in Chernogolovka in 1969. The aim was to initiate a major programme of high P-T experimental studies to apply physical chemistry and thermodynamics to resolving geological problems. For many years, Chernogolovka was a closed city, and western scient ists were unable to visit the laboratories, but with the advent of peres troika in 1989, the first groups of visitors were eagerly welcomed to the IEM. What they found was an experimental facility on a massive scale, with 300 staff, including 80 researchers and most of the rest pro viding technical support.
Download or read book Magmatism and Geodynamics written by O A Bagatikov and published by CRC Press. This book was released on 2000-03-09 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnatism is the only true endogenic process for generating new material on the Earth's surface. Obviously, magmatism and tectonic movements are reflections of geodynamics, that is, physical processes which occur in deep-seated environments. What are the interrelationships between magmatism and tectronics? How did the character of terrestrial magmatism change through time and are there any irregularities in this process?
Download or read book Geologic Excursions in Southwestern North America written by Philip A. Pearthree and published by . This book was released on 2019 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt:
