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Wednesday, May 20, 2020 | History

2 edition of Deformation, magmatism and metemorphism in the Portsoy shear zone, North-East Scotland. found in the catalog.

Deformation, magmatism and metemorphism in the Portsoy shear zone, North-East Scotland.

James Patrick Carty

Deformation, magmatism and metemorphism in the Portsoy shear zone, North-East Scotland.

by James Patrick Carty

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  • 21 Currently reading

Published by University of Derby] in [Derby .
Written in English


Edition Notes

Thesis (Ph. D.) - University of Derby, 2001.

SeriesPh. D
ContributionsUniversity of Derby. School of Environmental and Applied Sciences.
ID Numbers
Open LibraryOL18626474M

Blueprint Reading for the Machine Trades - Revised (6th Edition) Deformation, magmatism and metemorphism in the Portsoy shear zone, North-East Magmatism was also sporadic; early granodiorite, monzogranite, and leucogranite dikes yield zircon, monazite, and uraninite ages of 50–52 Ma and ± Ma. Widespread lower crustal melting during the latest Oligocene–early Miocene culminated with emplacement of the Baltoro Plutonic Unit in the Karakoram batholith that cuts deformation.

  A deformed composite peridotite-pyroxenite xenolith in Pliocene alkali basalts from the Pannonian Basin (Szentbékkálla, Bakony—Balaton Highland Volcanic Field) has been studied in detail. A narrow shear zone of intense deformation marked by porphyroclast elongation and recrystallization runs along the peridotite-pyroxenite contact. The xenolith contains a large volume of euhedral olivine. Dynamic metamorphism is the result of very high shear stress, such as occurs along fault zones. Dynamic metamorphism occurs at relatively low temperatures compared to other types of metamorphism, and consists predominantly of the physical changes that happen to a rock experiencing shear .

Cataclastic Metamorphism Cataclastic metamorphism occurs as a result of mechanical deformation, like when two bodies of rock slide past one another along a fault zone. Heat is generated by the friction of sliding along such a shear zone, and the rocks tend to be mechanically deformed, being crushed and pulverized, due to the shearing.   Diancangshan metamorphic massif is one of the four metamorphic massifs developed along the Ailaoshan-Red River strike-slip fault zone, Yunnan, China. It has experienced multi-stage metamorphism and deformation, especially since the late Oligocene it widely suffered high-temperature ductile shear deformation and exhumation of the metamorphic rocks from the deep crust to the .


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Deformation, magmatism and metemorphism in the Portsoy shear zone, North-East Scotland by James Patrick Carty Download PDF EPUB FB2

Deformation, magmatism and metamorphism in the Portsoy shear zone, north-east Scotland Author: Carty, James ISNI: Awarding Body: University of Derby Current Institution: University of Derby Date of Award: Availability of Full Text. Deformation, magmatism and metamorphism in the Portsoy shear zone, north-east Scotland.

By James Carty. Abstract. Digitised version available at EThOS: British Library Electronic Theses Online Servic Publisher: University of Derby. Year: OAI Author: James Carty.

Buy Deformation, magmatism and metamorphism in the Portsoy shear zone, north-east Scotland by James Patrick Carty (ISBN:) from Amazon's Book Author: James Patrick Carty. The Portsoy Gabbro was emplaced into Argyll Group Dalradian metasediments as part of a suite of mafic intrusives that outcrop around the low-P/high-T Buchan metamorphic domain in NE Scotland.

This paper presents new field data together with geobarometry and calculated pseudosections for pelites and metabasites, and geochronological data from the Portsoy Shear Zone, on the western Cited by: 9. Constraints on the timing of deformation, magmatism and metamorphism in the Dalradian of NE Scotland Article in Scottish Journal of Geology 48(2) November with 27 Reads.

Relationships between magmatism, metamorphism and deformation in the Fraser Complex, Western Australia: constraints from new SHRIMP U–Pb zircon geochronology* D.

Clark School of Geology, University of New South Wales, Sydney, NSWAustralia. locations of shear zones, nature of fabrics, and so on), we select samples for laboratory analysis (Figure a). The goal of our study is to determine the spatial and temporal conditions at which these rocks were deformed.

Specifically, we try to determine the crustal Deformation, Metamorphism, and Time Introduction Magmatism, metamorphism and deformation at Hemlo, Ontario, and the timing of Au-Mo mineralization in the Golden Giant Mine Related Book Content. Textural changes of graphitic carbon by tectonic and hydrothermal processes in an active plate boundary fault zone.

TIGRInternational Geology Review, Vol. 1, No. 1, December pp. 0–0International Geology Review Interplay between deformation and metamorphism during eclogitization of amphibolites in the Sesia–Lanzo Zone of the.

The huge forces that move continents stretch and squash parts of the Earth’s crust., generating earthquakes and building mountains. They cause rocks near the surface to be fractured and faulted.

At greater depth, the heat and pressure involved can cause folding and/or metamorphism. Rocks within the Portsoy Shear Zone are dominated by heterogeneous amphibolite-facies metagabbroic rocks that range from relatively undeformed coarse-grained variants to highly tectonised mylonites, and whose polyphase intrusion spanned the ductile (regional D2) deformation (Carty,Viete et al.,Carty et al., ).

Regional metamorphism is associated with the folding of rocks in mountain building (or orogenic) activity. This occurs when two continental plates collide, as India collided with Asia forming the Himalayas.

Orogenesis = mountain building (= metamorphism + folding + faulting) Topics & Deformation & Metamorphism Page 12 of metamorphism is associated with circulating hot aqueous fluids (with re lated metasomatism) and typically shows an increasing temperature of metamorphism with depth.

Dislocation metamorphism is a type of metamorphism of local extent, associated with fault zones or shear zones. Grain size reduction typically occurs in the rocks, and a range of rocks.

Request PDF | On May 1,J.P. Carty and others published Erratum to: Constraints on the timing of deformation, magmatism and metamorphism in the Dalradian of NE Scotland (Scottish Journal of. Timescales of deformation, metamorphism and magmatism in this region of the Cordillera are poorly constrained, hindering detailed understanding of the timing of tectonic events and the magmatic and metamorphic processes accompanying them.

The Mountain Home Metamorphic Complex (MHMC) is a sequence of medium-grade metavolcanic and metasedimentary. Start studying Geology chapter 8 metamorphism and deformation. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Constraints on the timing of deformation, magmatism and metamorphism in the Dalradian of NE Scotland. Scottish Journal of Geology, Vol.

48, – ↑ SPEAR, F S. Metamorphic phase equilibria and pressure-temperature-time paths. Mineralogical Society of America Monograph Series. ↑ ASHWORTH, J R. The sillimanite zones.

THE RELATIONSHIP BETWEEN MAGMATISM AND DEFORMATION DURING THE ACADIAN OROGENY: A CASE STUDY FROM EASTERN-CENTRAL VERMONT A Thesis Presented by Samuel William Lagor to The Faculty of the Graduate College of The University of Vermont In Partial Fulfillment of the Requirements for the Degree of Master of Science Specializing in Geology May, Median Tectonic Zone (MTZ) and Mount Edgar diorite (E) in tan and Paleozoic gneisses of Gondwana in dark pink.

B: Contractional deformation (– Ma) followed magmatism and melt production. C: Late orogenic extension (–90 Ma) formed metamorphic core complexes (P and V) in mid-upper crust and the Doubtful Sound shear zone (DS) in the. Eocene to early Miocene metamorphism, deformation, and magmatism in the MMB provides evidence that it may have played a key role in the network of deformation zones that accommodated strain during the northwards movement of India and resulting extrusion or rotation of Indochina.

INDEX TERMS: Information Related to Geographic Region: Asia. Rather, ductile deformation and high-grade metamorphism developed diachronously. Rocks deformed and metamorphosed in the Permo-Triassic and Early Jurassic were exhumed in the Early Jurassic, while rocks to the northeast in the Finlayson domain were buried, heated and ductiley deformed at mid-crustal levels (~25 km depth) from the Middle.Geochronological constraints on magmatism and polyphase deformation and metamorphism in the southern Omineca Belt, British Columbia.

Ewan Russell Webster, a David Pattison, a S. Andrew DuFrane b. a Department of Geoscience, University of Calgary. 1. Introduction. There is a long tradition for geological research in South-East Greenland and attempts to correlate the Archaean and Palaeoproterozoic history with that in the Lewisian Complex of Scotland and the Trans-Hudson Orogen in Canada (Andrews et al.,Escher et al.,Myers,Bridgwater et al.,Kalsbeek et al.,Friend and Kinny,van Gool et al.,