1 edition of North American ophiolites found in the catalog.
North American ophiolites
by State of Oregon, Dept. of Geology and Mineral Industries in Portland
Written in English
|Statement||edited by R. G. Coleman and W. P. Irwin.|
|Series||Bulletin - State of Oregon, Department of Geology and Mineral Industries ;, 95, Bulletin (Oregon. Dept. of Geology and Mineral Industries) ;, 95.|
|Contributions||Coleman, Robert Griffin, 1923-, Irwin, W. P. 1919-|
|LC Classifications||QE155 .A3 no. 95, QE462.O6 .A3 no. 95|
|The Physical Object|
|Pagination||v, 183 p. :|
|Number of Pages||183|
|LC Control Number||78622186|
Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. OPHIOLITES 5 al manhal number three unstable and convert rapidly into hydrated magnesium silicate minerals, forming serpent-like bands with vivid green/brown colours in the rock. A better understanding of how ophiolites can be 'beached' on dry land has only come about thanks to the very recent science of plate tectonics (seeFile Size: KB.
The Smartville ophiolite is one of several major ophiolites in California. Ophiolites are found in all the major mountain ranges of the world. The need to explain how fossils of prehistoric sea creatures ended up on high mountaintops played a major role in the development of the theory of plate tectonics. THE NAGA HILLS AND ANDAMAN OPHIOLITE BELT, THEIR SETTING, NATURE AND COLLISIONAL EMPLACEMENT HISTORY S.K. ACHARYYA, K.K. RAY And SUBHASIS SENGUPTA Geological Survey of India, CALCUTTA (INDIA) ABSTRACT The lndo-Burmese Range and the Andaman-Nicobar Island Arc, form a continuous arcuate trend along which several ophiolite occurrences have been Cited by: 6.
Purchase Precambrian Ophiolites and Related Rocks, Volume 13 - 1st Edition. Print Book & E-Book. ISBN , Book Edition: 1. The purpose of this book is to provide a starting point for anyone interested in the background and state of knowledge concerning ophiolites (ancient oceanic lithosphere). Because ophiolites represent fragments of old oceanic crust their tectonic setting and age are extremely important in the reconstruction of ancient plate boundaries.
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Additional Physical Format: Online version: North American ophiolites. Portland: State of Oregon, Dept. of Geology and Mineral Industries, North American Ophiolites [Coleman, R.
G.; Irwin, W. P.] on *FREE* shipping on qualifying offers. North American Ophiolites. Book Review: North American Ophiolites. edited by R. Coleman and W. Irwin. Bull. 95 Department of Geology and Mineral Deposits, State of Oregon.
Ophiolite concept and its evolution Article (PDF Available) in Special Paper of the Geological Society of America January with 4, Reads How we measure 'reads'Author: Yildirim Dilek. ADS Classic is now deprecated. It will be completely retired in October Please redirect your searches to the new ADS modern form or the classic info can be found on our blog.
An ophiolite is a section of the Earth's oceanic crust and the underlying upper mantle that has been uplifted and exposed above sea level and often emplaced onto continental crustal rocks. The Greek word ὄφις, ophis (snake) is found in the name of ophiolites, because of the superficial texture of some of tinite especially evokes a snakeskin.
The polygenetic Ingalls ophiolite complex in the central Cascades, Washington, is one of several Middle to Late Jurassic ophiolites of the North American Cordillera.
It consists primarily of mantle tectonites. Igneous Rock Associations 9. Ophiolites 1: from the beginning to modern times. who had already recognized the allochthonous nature of ophiolites. North American geologists felt that the consanguineous relationship between peridotites and associated mafic rocks made it necessary to reconsider the European views on ophiolites as allochthonous.
The Coast Range Ophiolite is an ophiolite of Middle to Late Jurassic age located in the California Coast form the basement of the extreme western margin of central and northern California. Exposures straddle the coast from Santa Barbara County up to San Francisco.
The formation then trends inland up to the southern end of the Klamath for: California Coast Ranges. Chilean-type ophiolites formed in a back-arc spreading zone like today's Andaman Sea.
Macquarie-type ophiolites formed in the classic mid-ocean ridge setting like today's Macquarie Island in the Southern Ocean. Caribbean-type ophiolites represent the subduction of oceanic plateaus or Author: Andrew Alden.
The fauna on western North American serpentines has received but scant attention, and merits closer study. Butterfly species are known to be closely tied to serpentine plants as food sources; one instance of plant mimicry of butterfly eggs is cited. The evolution of a serpentine flora may involve a variety of speciational by: Transported cataclasite, ophiolite, and granodiorite in Yukon: evidence of arc-continent collision.
[D J Tempelman-Kluit] -- This paper is a summary of the stratigraphy and facies relations within the North American continental margin (Omineca Belt) and the adjoining Whitehorse Trough (Intermontane Belt) emphasizing their.
The diagram to the right shows an cross-section of such an ophiolite. To be precise, it shows a cross-section of a vertical ophiolite, in which the layers are horizontal and the sheets are vertical.
We may perfectly well find an ophiolite lying on its side, as a result of the tectonic events that emplace it; but the relationships between the rocks remain the same. Open Library is an open, editable library catalog, building towards a web page for every book ever published.
Relationship between ophiolites and gold-quartz veins in the North American Cordillera by C.H Ash, Ministry of Energy and Mines edition, in English. Terranes of the Klamath Mountains, California-Oregon, are primarily the products of transpressive-transtensional margin processes that span the mid-Devonian to Middle Jurassic time interval.
One of the more enigmatic units of this orogen is the early Mesozoic, north. The book is mainly about plate tectonics, particularly the Pacific Plate and North American Plate.
Maybe some of the science is a little dated as its nearly 20 years since written, but mostly good. I was surprised by the humor, didn't expect that. I particularly enjoyed the chapter about wine and geology in Napa/5. It has been suggested that the LOC and other Scandinavian ophiolites were obducted onto Laurentia, and subsequently transferred to Baltica during the Scandian Orogeny (Pedersen et al., ; Titus.
to the North American continental margin during the Creta-ceous (Fig.1; Cobiella- Reguera, b, ). Considering their ages, the Cuban ophiolites belong to the pre-Cenozoic basement.
However, some of them were remobilized during the Early Tertiary Cuban orogeny and emplaced in relation to Paleogene rocks.
Following (with. Shadows over Oman mantle peridotite, January def. Ophiolite:An ophiolite is a segment of ocean crust and mantle tectonically exposed on land by obduction (overthrust), usually when an ocean basin closes. An ophiolite sequence consists of variably altered oceanic rocks, including marine sediments, ocean crust, and part of the mantle.
The name ophiolite means “snakestone” from “ophio. Ophiolites have been found in Cyprus, New Guinea, Newfoundland, California, and Oman. The Samail ophiolite in southeastern Oman has probably been studied in the greatest detail.
The rocks probably formed in the Cretaceous not far from the what is now the Persian Gulf. The rocks were later thrust (pushed uphill at a low angle) westward onto the. In some cases, as in the Cajálbana - Bahía Hondaemplacement of the eastern Cuba ophiolites was an area, structural and stratigraphic evidences indicate that theintense but short lived tectonic event, that obducted these ophiolites were thrusted to the north upon the North Ameri-rocks on the surface and then displaced them horizontally can.Geological Society of America Special Paper Ophiolite concept and its evolution ing ophiolites among the North American geoscientists.
Recognition of extensional concept. Thus, the book itself represents science in the making and not just a work of history.Other articles where Ophiolite is discussed: igneous rock: Divergent plate boundaries: ultramafic rocks are known as ophiolites.
Many geologists believe that ophiolites formed at oceanic ridges were emplaced by tectonic forces at convergent plate boundaries and then became exposed in highly deformed orogenic (mountain) belts. In fact, the same sequences of rocks were first reported in the.