Last edited by Yozshukora
Tuesday, July 14, 2020 | History

4 edition of Seismic Images of Modern Convergent Margin Tectonic Structure (Aapg Studies in Geology) found in the catalog.

Seismic Images of Modern Convergent Margin Tectonic Structure (Aapg Studies in Geology)

Roland Von Huene

Seismic Images of Modern Convergent Margin Tectonic Structure (Aapg Studies in Geology)

by Roland Von Huene

  • 265 Want to read
  • 5 Currently reading

Published by Amer Assn of Petroleum Geologists .
Written in English

    Subjects:
  • Geology, Structural,
  • Seismic reflection method,
  • Seismology,
  • Structural Geology,
  • Charts, diagrams, etc

  • The Physical Object
    FormatPaperback
    Number of Pages60
    ID Numbers
    Open LibraryOL8229036M
    ISBN 100891810323
    ISBN 109780891810322

    @article{osti_, title = {Seismic reflection images of the accretionary wedge of Costa Rica}, author = {Shipley, T H and Stoffa, P L and McIntosh, K and Silver, E A}, abstractNote = {The large-scale structure of modern accretionary wedges is known almost entirely from seismic reflection investigations using single or grids of two-dimensional profiles. In the deepest portions of the outcropping subduction channel, extension is finally overprinted by compressional structures. In modern subduction zones the onset of seismic activity is believed to.

    Prestack depth-migrated seismic lines provide accurate images of the convergent Ecuadorian margin, where the southern flank of the Carnegie Ridge subducts. The margin is fronted by a 5–7-km-wide compressional sediment prism. The geometry of large-scale structures within modern accretionary prisms is known entirely from seismic reflection studies using single or grids of two-dimensional profiles. Off Costa Rica the authors collected a three-dimensional reflection data set covering a 9 km wide {times} 22 km long {times} 6 km thick volume of the accretionary prism.

      This integrated tectonic study reveals the basin-forming and deforming processes on an active margin. Southwest Japan (SWJ) is an island arc under the influence of oblique subduction of the Philippine Sea plate, which has provoked dextral slips on the arc-bisecting Median Tectonic Line (MTL). Plio-/Pleistocene sediments in Beppu Bay, a tectonic depression at the westernmost portion of the . In the Middle East region, modern tectonic activity is forced by the convergent movements between two plates: the Arabian plate, including Saudi Arabia, Persian Gulf and the Zagros Ranges of Iran, and the Eurasian plate that incorporates Europe, central and East Asia, as well as the interior Iran (Fig. 1 .


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Seismic Images of Modern Convergent Margin Tectonic Structure (Aapg Studies in Geology) by Roland Von Huene Download PDF EPUB FB2

ISBN: OCLC Number: Description: 60 pages: chiefly illustrations, maps ; 28 x 61 cm. Series Title: AAPG studies in geology, no. AAPG Studies in Geology # Seismic Images of Modern Convergent Margin Tectonic Structure, edited by Ronald von Huene, Pages Section 3: Displays of Seismic Sections: The Peru Continental Margin, Record Sections 2 and 3.

Roland von Huene(1), Lavern Kulm(2), John Miller(3), and Donald Hussong(4)Author: Roland von Huene, Lavern Kulm, John Miller, Donald Hussong. Tectonic structure of the convergent Pacific margin offshore Costa Rica from multichannel seismic reflection data.

Tecton 54– 66 (). ADS Article Google ScholarCited by: Structure and Tectonics of the erosional convergent margin off Antofagasta, North Chile (23° 30'S). a reflection in near-vertical seismic images. The seismic boundary is interpreted as a. Prestack depth-migrated seismic lines provide accurate images of the convergent Ecuadorian margin, where the southern flank of the Carnegie Ridge subducts.

The margin is fronted by a 5 7-km-wide. The two seismic profiles across the accretionary wedge presented here allow the internal tectonic structure and velocity field to be defined in great detail.

The dip of the downgoing plate increases towards the continent (Fig. 2), but is significantly shallower than previously assumed (Hyndman and Wang, ; Hyndman, ). Abstract. Modern seismic imaging methods were used to study the subduction processes of the South American convergent margin.

The Seismic Images of Modern Convergent Margin Tectonic Structure book came from reflection and from wide-angle/refraction experiments acquired within the framework of the Collaborative Research Center SFB ‘Deformation Processes in the Andes’. [1] We compare the geomorphology of several convergent continental margins to constrain the seismic hazard of the Cascadia margin offshore Oregon, and present the possibility of a slow earthquake mechanism for a characteristic Cascadia event.

The Cascadia seafloor has a very delicate bathymetry, with well‐preserved landslides and noneroded slopes approaching 20°, unusual for a margin that. The data set was one of the largest acquired during the 's along a convergent margin and increased our knowledge of the tectonic mechanisms that shape convergent margins.

The concepts of sediment subduction and tectonic erosion at convergent margins were speculative prior to Deep Sea Drilling Project (DSDP) Legs 56 and von Huene, R.

(b),Seismic Images of Modern Convergent Margin Tectonic Structure, American Association of Petroleum Geologists, Studies in Geology,26, Google Scholar von Huene, R. and Kulm, L. (), Tectonic Summary of Initial Reports of the Deep Sea Drilling Proj. Agudelo, A. Ribodetti, J.‐Y.

Collot, S. Operto, Joint inversion of multichannel seismic reflection and wide‐angle seismic data: Improved imaging and refined velocity model of the crustal structure of the north Ecuador–south Colombia convergent margin, Journal of Geophysical Research: Solid Earth, /JB,B2, ().

Investigating the complex interplay between tectonics and sedimentation is a key endeavor in modern earth science. Many of the world's leading researchers in this field have been brought together in this volume to provide concise overviews of the current state of the subject.

The plate tectonic revolution of the 's provided the framework for detailed models on the structure of. Plate tectonics (from the Late Latin: tectonicus, from the Ancient Greek: τεκτονικός, lit. 'pertaining to building') is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of Earth's lithosphere, since tectonic processes began on Earth between and billion years ago.

In this article, a case is made for very-large or primary seismogenic structures in convergent margins, based on anomalous large earthquake magnitudes (Mw 8 - 9) relative to rupture lengths.

Out of 56, earthquakes (magnitudes ≥ 5) cataloged worldwide, the 10 largest events in transform, divergent, and interior settings average magnitudes of - This book is a collection of interdisciplinary papers documenting the geological, geophysical, geochemical, and paleontological features of modern accretionay prisms and trenches in the northwestern Pacific Ocean, based on many submersible dive cruises, ODP drilling projects, and geophysical surveys during the last 10 years.

The potential for a major earthquake in the Shumagin seismic gap, and the tsunami it could generate, was reported in However, while potentially tsunamigenic splay faults in the adjacent Unimak and Semidi earthquake segments are known, such features along the Shumagin segment were undocumented until recently.

Pub. Id: A () First Page: Last Page: Book Title: M Geological and Geophysical Investigations of Continental Margins Article/Chapter: Continental Margins of the Eastern Gulf of Alaska and Boundaries of Tectonic Plates: Convergent Margins Subject Group: Geologic History and Areal Geology Spec.

Pub. Type: Memoir Pub. Year: Author(s): Roland Von Huene (2), George G. Some of the seismic tomography images and seismic reflection–refraction surveys show that the Offshore Sanriku tectonic line (Fault G) and the Offshore Hidaka tectonic line (Faults C to F) define the boundary that separates the low Vp area in trenchward Block B from the high Vp area in adjacent blocks (forearcs of Blocks A, C, and D).

Plate tectonics - Plate tectonics - Seafloor spreading: As upwelling of magma continues, the plates continue to diverge, a process known as seafloor spreading. Samples collected from the ocean floor show that the age of oceanic crust increases with distance from the spreading centre—important evidence in favour of this process.

These age data also allow the rate of seafloor spreading to be. Accretionary Prisms and Convergent Margin Tectonics in the Northwest Pacific Basin. por. Modern Approaches in Solid Earth Sciences (Book 8) ¡Gracias por compartir.

Has enviado la siguiente calificación y reseña. Lo publicaremos en nuestro sitio después de haberla revisado. Improved seismic images of the South American convergent margin are providing new insights to longstanding tectonic problems including: (1) variations in forearc structure and segmentation in the seismogenic zone, (2) the influence of flat slab subduction on the over-riding plate, (3) large-scale mantle and crustal melting leading to volcanism.An integrated geophysical data set has been used to develop structural models across the continental margin west of Vancouver Island, Canada.

A modern accretionary complex underlies the continental slope and shelf and rests against and below the allochthonous Crescent and Pacific Rim terranes.Using seismographs from three different seismic recording stations A, B, and C, you determine the epicenter of an earthquake.

Stations A and B both have an S-P interval of 3 seconds and C had an S-P interval of 11 seconds.