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  • 1
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    Understanding Granites : Integrating New and Classical Techniques ; [inspired by an international workshop entitled "Modern and classical Techniques in granite studies" that was held in the University of Huelva (Spain) in November 1997] (1999)
    London : The Geological Society
    Details
    Keywords: Granit ; Gesteinskunde ; Geologie ; Geochemie ; Kongress ; Huelva ; Magmatisches Gestein ; Magmatismus ; Magma ; Magmakammer ; Schmelze ; Intrusion ; Erdkruste ; Erdmantel ; Viskosität ; Angewandte Geophysik ; Textur ; Modellierung
    Description / Table of Contents: Understanding granites: integrating new and classical techniques / Antonio Castro, Carlos Fernández and Jean Louis Vigneresse / Geological Society, London, Special Publications, 168, 1-5, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.01 --- Some time-space relationships for crustal melting and granitic intrusion at various depths / Alan Bruce Thompson / Geological Society, London, Special Publications, 168, 7-25, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.02 --- Granitic melt viscosities / Donald B. Dingwell / Geological Society, London, Special Publications, 168, 27-38, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.03 --- Geophysical imaging of the shape of granitic intrusions at depth: a review / L. Améglio and J. L. Vigneresse / Geological Society, London, Special Publications, 168, 39-54, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.04 --- What do experiments tell us about the relative contributions of crust and mantle to the origin of granitic magmas? / Alberto E. Patiño Douce / Geological Society, London, Special Publications, 168, 55-75, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.05 --- Geometry of granite emplacement in the upper crust: contributions of analogue modelling / Teresa Román-Berdiel / Geological Society, London, Special Publications, 168, 77-94, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.06 --- A multidisciplinary approach combining geochemical, gravity and structural data: implications for pluton emplacement and zonation / L. Hecht and J. L. Vigneresse / Geological Society, London, Special Publications, 168, 95-110, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.07 --- The Coastal Batholith and other aspects of Andean magmatism in Peru / E. J. Cobbing / Geological Society, London, Special Publications, 168, 111-122, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.08 --- Contrasts in morphogenesis and tectonic setting during contemporaneous emplacement of S- and I-type granitoids in the Eastern Lachlan Fold Belt, southeastern Australia / R. Trzebski, P. Lennox and D. Palmer / Geological Society, London, Special Publications, 168, 123-140, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.09 --- Structure and geophysics of the Gåsborn granite, central Sweden: an example of fracture-fed asymmetric pluton emplacement / Alexander R. Cruden, Håkan Sjöström and Sven Aaro / Geological Society, London, Special Publications, 168, 141-160, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.10 --- Emplacement of the Joshua Flat-Beer Creek Pluton (White Inyo Mountains, California): a story of multiple material transfer processes / Carlo Dietl / Geological Society, London, Special Publications, 168, 161-176, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.11 --- Petrology, magnetic fabric and emplacement in a strike-slip regime of a zoned peraluminous granite: the Campanario-La Haba pluton, Spain / A. Alonso Olazabal, M. Carracedo and A. Aranguren / Geological Society, London, Special Publications, 168, 177-190, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.12 --- Brittle behaviour of granitic magma: the example of Puente del Congosto, Iberian Massif, Spain / Carlos Fernández and Antonio Castro / Geological Society, London, Special Publications, 168, 191-206, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.13 --- Origin of megacrysts in granitoids by textural coarsening: a crystal size distribution (CSD) study of microcline in the Cathedral Peak Granodiorite, Sierra Nevada, California / Michael D. Higgins / Geological Society, London, Special Publications, 168, 207-219, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.14 --- Movement of melt during synchronous regional deformation and granulite-facies anatexis, an example from the Wuluma Hills, central Australia / E. W. Sawyer, C. Dombrowski and W. J. Collins / Geological Society, London, Special Publications, 168, 221-237, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.15 --- Partial melting and P-T-t evolution of LP/HT metamorphic terranes: an example from the Svecofennian K-feldspar-poor leucosome migmatite belt, Southern Finland / H. Mouri and K. Korsman / Geological Society, London, Special Publications, 168, 239-253, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.16 --- Evidence of magmatic hybridization related with feeding zones: the synkinematic Guitiriz granitoid, NW Iberian Massif / M. Menéndez and L. A. Ortega / Geological Society, London, Special Publications, 168, 255-272, 1 January 1999, https://doi.org/10.1144/GSL.SP.1999.168.01.17
    Pages: Online-Ressource (272 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 1862390584
    URL: http://sp.lyellcollection.org/content/168/1
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    What can we learn about crustal structure from thermal data? (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Terra nova 3 (1991), S. 0 
    Details
    ISSN: 1365-3121
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Thermal data represent a valuable remote sensing aid in studying crustal evolution. Heat flow (Q) results from the heat loss by the cooling earth and from the heat production (A) of the radiogenic elements brought to the upper crust by magmatic intrusives. Heat flow is often observed to be linearly related to heat production. The slope of this relation, or thermal depth (D), has been used to infer a global upward enrichment in heat-producing elements. This thermal depth has been equated with the thickness of granites, but such an interpretation has not been confirmed everywhere. The depth to which granitic plutons are rooted can be computed from the inversion of gravity data. It averages 7±2 km and is much smaller than the thermal depth. Granulite facies rocks are assumed to be present in the lower crust on the basis of seismic and geochemical data. These rocks are generally depleted or initially poor in radiogenic elements (U, Th, K). It is suggested that the thermal depth reflects the depth to the depleted layer in continental regions and that it corresponds to the granulitic layer in most places. Worldwide thermal and seismic data support this relationship, although surface heterogeneities introduce complications. Thermal data can therefore be used to constrain the structure of the crust and its evolution through time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3121.1991.tb00840.x
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    Paper (German National Licenses)
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  • 3
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    Non-linear feedback loops in the rheology of cooling-crystallizing felsic magma and heating-melting felsic rock (2002)
    In:  Geological Society Special Publication 200: 275-292.
    Details
    Publication Date: 2002-01-01
    Description: At least six major parameters control the rheology of partially molten systems: melt content, rate of melt production, reaction to strain of the solid component, reaction to strain of the molten component, temperature and chemical composition of the source rocks. We examine their interactions to understand the rheology of partly molten rocks and partly crystallized magmas. In particular, this paper focuses on the rheology in the transitional domains between two pairs of thresholds that bracket a transitional regime between solid state and fluid behaviour during melting and crystallization, respectively. We review related information and point out non-linear effects that develop during heating of melting rocks and cooling of crystallizing magmas. Owing to the non-linear interactions, positive or negative feedback loops accelerate or damp the system. Melt in migmatite experiences shear-softening which, along with strain partitioning, facilitates melt segregation. Conversely, the increasing number of rigid crystals during cooling increases the suspension viscosity (shear hardening), which soon inhibits magma movement. These effects reinforce the asymmetry between solid-to-melt and melt-to-solid transitions. They severely contradict the concept of one rheological critical melt percentage valid for both melting and crystallization transitions. Fabric acquisition competes with nucleation and crystal growth, thus leading to hysteresis of the stress-strain rate curves. Implications for field observations include horizontal magma segregation, magma extraction and successive magma intrusions.
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  • 4
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    Chemical descriptors for describing physico-chemical properties with applications to geosciences (2018)
    Springer
    Details
    Publication Date: 2018-08-11
    Print ISSN: 1610-2940
    Electronic ISSN: 0948-5023
    Topics: Chemistry and Pharmacology
    Published by Springer
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  • 5
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    Redox and Lewis acid–base activities through an electronegativity-hardness landscape diagram (2013)
    Springer
    Details
    Publication Date: 2013-09-17
    Print ISSN: 1610-2940
    Electronic ISSN: 0948-5023
    Topics: Chemistry and Pharmacology
    Published by Springer
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  • 6
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    Chemical reactivity parameters (HSAB) applied to magma evolution and ore formation (2012)
    Elsevier
    Details
    Publication Date: 2012-11-01
    Print ISSN: 0024-4937
    Electronic ISSN: 1872-6143
    Topics: Geosciences
    Published by Elsevier
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  • 7
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    What can we learn about crustal structure from thermal data? (1991)
    Wiley
    Details
    Publication Date: 1991-01-01
    Print ISSN: 0954-4879
    Electronic ISSN: 1365-3121
    Topics: Geosciences
    Published by Wiley
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  • 8
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    A new paradigm for granite generation (2004)
    Cambridge University Press
    Details
    Publication Date: 2004-03-01
    Description: Ideas about granite generation have evolved considerably during the past two decades. The present paper lists the ideas which were accepted and later modified concerning the processes acting during the four stages of granite generation: melting, melt segregation and ascent, and emplacement. The active role of the mantle constitutes a fifth stage.Fluid-assisted melting, deduced from metamorphic observations, was used to explain granite and granulite formation. Water seepage into meta-sedimentary rocks can produce granitic melt by decreasing melting temperature. CO2 released by the mantle helps to transform rocks into granulites. However, dehydration melting is now considered to be the origin of most granitic melts, as confirmed by experimental melting. Hydrous minerals are involved, beginning with muscovites, followed by biotite at higher temperatures. At even deeper conditions, hornblende dehydration melting leads to calc-alkaline magmas.Melt segregation was first attributed to compaction and gravity forces caused by the density contrast between melt and its matrix. This was found insufficient for magma segregation in the continental crust because magmas were transposed from mantle conditions (decompression melting) to crustal conditions (dehydration melting). Rheology of two-phase materials requires that melt segregation is discontinuous in time, occurring in successive bursts. Analogue and numerical models confirm the discontinuous melt segregation. Compaction and shear localisation interact non-linearly, so that melt segregates into tiny conduits. Melt segregation occurs at a low degree of melting.Global diapiric ascent and fractional crystallisation in large convective batholiths have also been shown to be inadequate and at least partly erroneous. Diapiric ascent cannot overcome the crustal brittle-ductile transition. Fracture-induced ascent influences the neutral buoyancy level at which ascent should stop but does not. Non-random orientation of magma feeders within the ambient stress field indicates that deformation controls magma ascent.Detailed gravity and structural analyses indicate that granite plutons are built from several magma injections, each of small size and with evolving chemical composition. Detailed mapping of the contact between successive magma batches documents either continuous feeding, leading to normal petrographic zoning, or over periods separated in time, commonly leading to reverse zoning. The local deformation field controls magma emplacement and influences the shape of plutons.A typical source for granite magmas involves three components from the mantle, lower and intermediate crusts. The role of the mantle in driving and controlling essential crustal processes appears necessary in providing stress and heat, as well as specific episodes of time for granite generation. These mechanisms constitute a new paradigm for granite generation.
    Print ISSN: 1755-6910
    Electronic ISSN: 1755-6929
    Topics: Geosciences
    Published by Cambridge University Press
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  • 9
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    Fluids and fractures in the lithosphere (2001)
    Elsevier
    Details
    Publication Date: 2001-07-01
    Print ISSN: 0040-1951
    Electronic ISSN: 1879-3266
    Topics: Geosciences , Physics
    Published by Elsevier
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  • 10
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    Crustal regime of deformation and ascent of granitic magma (1995)
    Elsevier
    Details
    Publication Date: 1995-09-01
    Print ISSN: 0040-1951
    Electronic ISSN: 1879-3266
    Topics: Geosciences , Physics
    Published by Elsevier
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