Academic literature on the topic 'Granite structure'

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Journal articles on the topic "Granite structure"

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Sun, Nai Quan. "Characteristics of Yichun Late Triassic - Early Jurassic Monzogranite." Applied Mechanics and Materials 135-136 (October 2011): 353–58. http://dx.doi.org/10.4028/www.scientific.net/amm.135-136.353.

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As building material, Granite has been extensively used. It is important to clear the geochemical characteristics of granites. The paper introduce the Late Triassic-Early Jurassic monzogranite, it mainly located in the south of Yichun area, which were intruded by medium grain monzogranite and syenogranite in Late Triassic-Early Jurassic. According to previous information, this granite distributed in Tangwanghe is widely in the south of study region. Rock type is coarse-medium grain porphyritic biotite monzogranite amphibole-bearing, the edge of the granite (Yishan Forest western) with a flow s
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Valentyn, Korobiichuk, Shlapak Volodymyr, Kryvoruchko Andrii, Sobolevskyi Ruslan, and Zuievska Natalia. "ANALYSIS OF CHANGE IN THE DECORATIVE PROPERTIES OF GRANITES UNDER THERMAL EXPOSURE." Eastern-European Journal of Enterprise Technologies 2, no. 12 (98) (2019): 35–43. https://doi.org/10.15587/1729-4061.2019.164694.

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We investigated samples extracted in Ukraine from nine granite deposits experimentally. We performed tests of granite samples at high temperatures of 200, 400, 600, and 900 °C. All presented granites showed a change in the color of surface at a temperature of 200 °C and higher. The behavior of granites under heating depends on their mineral composition, structure and texture. Surfaces of all samples became lighter and some granite samples lost saturation of their color. The largest increase in L component (image of stone samples brightens) of the CIELab color system occurred on Cardina
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Asante, Samuel Yaw, Nanine Fouché, and Augustine Lawer. "The collapsible nature of reworked residual granites in the Stellenbosch Municipality, South Africa." Journal of the Ghana Institution of Engineering (JGhIE) 24, no. 1 (2024): 1–6. http://dx.doi.org/10.56049/jghie.v24i1.36.

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In South Africa, residual granite is associated with the collapse phenomenon, a geotechnical hazard that was first identified in the 1950s. Residual granite is a product of chemical weathering (in-situ decomposition) or physical weathering of the parent rock (granite) whilst reworked residual granites is defined as residual granite reworked in-situ by termites. Residual granite usually consists of bulky-sized quartz particles, with silts, and bridged by colloidal matter. Extreme leaching of the colloidal matter creates a structure like a honeycomb. It, however, leaves voids within the structur
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Syomka, V. O., L. M. Stepanyuk, O. M. Ponomarenko, et al. "MINERALOGICAL AND PETROLOGICAL CHARACTERISTICS OF GRANITES OF THE SHPOLA-TASHLYK ORE DISTRICT (THE UKRAINIAN SHIELD)." Mineralogical Journal 45, no. 4 (2023): 29–47. http://dx.doi.org/10.15407/mineraljournal.45.04.029.

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Mineralogical and petrographical research of different types of granites of the Kirovohrad complex, such as of Lypniazhka, Berezivske, Yaroshivka, Dorofiivka, Hlodosy, in the Shpola-Tashlyk ore district of the Ukrainian Shield, has been conducted. It allows to identify them as rare-metal genetic type. The evidence comes from: High silica (SiO2 = 71.70—74.24%), agpaitic index (0.53—0.71) and low iron oxidation (0.16—0.59) in granites. Furthermore, they are enriched with fluorine and boron based on occurrence of accessory fluorite and tourmaline. Characteristic chemical feature of the granites i
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Petrov, O. V., S. N. Kashubin, D. P. Gladkochub, et al. "THE ZABAIKALIAN PARAMETRIC BOREHOLE: A FIRST EVIDENCE ABOUT DEEP STRUCTURE OF THE BORSHCHOVOCHNY METAMORPHIC CORE COMPLEX." Доклады Российской академии наук. Науки о Земле 513, no. 2 (2023): 165–73. http://dx.doi.org/10.31857/s2686739723601321.

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The Zabaikalian parametric borehole drilled out a metamorphic core complex on the reference geological and geophysical profile within the Central Asian fold belt, south of the Mongol-Okhotsk suture zone. In the section of the borehole drilled to a depth of 2600 m, a set of geophysical, geological and laboratory-analytical studies identified three main structural elements of metamorphic core complexes: the upper plate, detachment, and the lower plate. The upper plate (weakly metamorphosed rocks) is represented by serpentinite melange, which is separated from the underlying rocks of the lower pl
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Pribavkin, S. V., and M. D. Vishnyakova. "New data on the zircon age of Adui pluton granites." LITHOSPHERE (Russia) 24, no. 4 (2024): 675–85. http://dx.doi.org/10.24930/2500-302x-2024-24-4-675-685.

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Research subject. Zircon of granites in the western contact part of the Adui massif (Middle Urals). Aim. To obtain new U-Pb dating and to clarify the geochronological model of the Adui granite massif. Methods. U-Pb dating of zircon was established using a SHRIMP-II high-resolution secondary ion microprobe (VSEGEI Research Center, St. Petersburg). The major and trace elements were determined using SRM-18, SRM-25, and VRA-30 X-ray fluorescence spectrometers and an ELAN-9000 mass spectrometer with inductively coupled plasma. Results. In terms of chemical composition, the vein granites in the west
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Šefara, Ján, Miroslav Bielik, Jozef Vozár, et al. "3D density modelling of Gemeric granites of the Western Carpathians." Geologica Carpathica 68, no. 3 (2017): 177–92. http://dx.doi.org/10.1515/geoca-2017-0014.

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Abstract The position of the Gemeric Superunit within the Western Carpathians is unique due to the occurrence of the Lower Palaeozoic basement rocks together with the autochthonous Upper Palaeozoic cover. The Gemeric granites play one of the most important roles in the framework of the tectonic evolution of this mountain range. They can be observed in several small intrusions outcropping in the western and south-eastern parts of the Gemeric Superunit. Moreover, these granites are particularly interesting in terms of their mineralogy, petrology and ages. The comprehensive geological and geophys
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Stepanyuk, L. M., T. B. Yaskevich, and I. M. Kotvitska. "ZIRCON ANATOMY FROM THE ROCKS ASSOCIATION OF THE OSTRIVSKY QUARRY (ROS-TIKYCH MEGABLOCK OF THE UKRAINIAN SHIELD)." Mineralogical Journal 45, no. 1 (2023): 41–49. http://dx.doi.org/10.15407/mineraljournal.45.01.041.

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Granitoids play a key role in the geological structure of the Ros-Tikych megablock. Supercrustal rocks of the Ros-Tikych series have been preserved in the granitoids only in the form of isolated fragments such as elongated remains, small skialites and even smaller "melted" xenoliths. In particular, in the Ostrivsky quarry, located on the right bank of the Ros River east of Bila Tserkva, granitoids are found (even-grained, porphyry-like granites) among which, as a rule, small bodies of granodiorites, plagiogranites and amphibolites occur. In order to determine the source of the parent magmas of
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Stepanyuk, Leonid, Vasyl Zagnitko, Hennadiy Pavlov, and Tatyana Dovbush. "Geochronology by monazite veins of granite of the old Crimea quarry (Azov Region, Ukrainian Shield)." Visnyk of V.N. Karazin Kharkiv National University, series Geology. Geography. Ecology, no. 60 (June 1, 2024): 80–88. http://dx.doi.org/10.26565/2410-7360-2024-60-06.

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The purpose. The aplitoid biotite granites with traces of rheomorphic transformations lying among gneisses and crystalline schists of the Central-Priazovska series of the Ukrainian shield, as well as the anatomy of accessory crystals of zircon and monazite from these granites, were researched. Method. The time of granite intrusion was determined by the uranium-lead isotope dating method based on multi-grain measurements of accessory monazite. The anatomy of zircon crystals was studied in artificial slices by optical microscopy methods. The results. The age of monazites was determined by multig
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Leonov, Mikhail. "Oil in granites - reality or myth?" Priroda, no. 3(1315) (2025): 17. https://doi.org/10.7868/50032874x25030016.

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At first glance, oil and granite seem to be antipodes by origin. How they can be integrated together? However, there is a meaning in such treatment. And, although aspects related to the origin of oil or granites are the subject of special studies – the important issue is the study of some features of the behavior of oil and granites after their formation as mineral resources and their entry into the composition and structure of the earth’s crust, and mainly the question of the role of granites in the formation of oil deposits.
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Dissertations / Theses on the topic "Granite structure"

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Guineberteau, Bruno. "Le Massif granitique de Mortagne-sur-Sèvre, Vendée : structure, gravimétrie, mise en place : distribution de U-Th-K /." Vandœuvre-les-Nancy : Centre de recherches sur la géologie de l'uranium, 1986. http://catalogue.bnf.fr/ark:/12148/cb348665320.

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Stanek, Martin. "Structural and petrophysical characterisation of granite : intended for radioactive waste stocking." Phd thesis, Université de Strasbourg, 2013. http://tel.archives-ouvertes.fr/tel-01019915.

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Structural and petrophysical analysis have been conducted within the Melechov massif with focus on structures controlling the porosity, permeability and thermal conductivity of the rock. The structure of the massif has been constrained based on extensive dataset including AMS and field structural measurements of ductile and brittle structures. The fracture system of the massif has been described by four sets of fractures. The measured petrophysical data have been used to characterize the effect of fracturing and alteration on pore space geometry and in turn on permeability, thermal conductivit
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Chaput, Dominique L. "Structure, diversity and metabolic profile of lithobiontic communities inhabiting exposed Arctic granite : a molecular microbial ecology approach." Thesis, University of Oxford, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543705.

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Buick, Ian S. "The petrology and geochemistry of granitic rocks from the Entia domal structure, Harts Range, eastern Arunta Block, Central Australia /." Title page, contents and abstract only, 1985. http://web4.library.adelaide.edu.au/theses/09SM/09smb932.pdf.

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Lagor, Samuel William. "The Relationship Between Magmatism and Deformation During the Acadian Orogeny: A Case Study from Eastern-Central Vermont." ScholarWorks @ UVM, 2016. http://scholarworks.uvm.edu/graddis/566.

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The Silurian-Devonian metasedimentary rocks of the Connecticut Valley-Gaspé trough (CVGT) were subjected to multiple deformational and metamorphic events during the Acadian orogeny in the Middle-Late Devonian. Plutons intruding the Devonian Waits River and Gile Mountain Formations have been considered post-tectonic, but microstructural studies of the intrusions and their metamorphic aureoles indicate some of these plutons intruded syntectonically. This study investigates the relationship between Acadian deformation and intrusion of the Knox Mountain pluton (KMP) of central Vermont. Structural
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Johnson, Christopher M., and Daalen Christopher M. Van. "Mineralogy and geochemistry of Late Archean and Paleoproterozoic granites and pegmatites in the Northern Penokean terrane of Marquette and Dickinson Counties, Michigan." ScholarWorks@UNO, 2015. http://scholarworks.uno.edu/td/2088.

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This thesis focuses on mineralogy, geochemistry, and origin of eight pegmatites and two spatially associated granites of Late Archean and Paleoproterozoic ages located in Marquette and Dickinson Counties, Michigan. Biotite geochemistry reveals that both granites and all pegmatites are peraluminous and have an orogenic signature. However, bulk composition reveals the Humboldt granite is a peraluminous A-type granite and the Bell Creek granite is a peraluminous mix between I-, S-, and A-type granites. The Republic Mine pegmatite appears to be geochemically similar to the Bell Creek granite and G
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Mesquita, Barros Carlos Eduardo de. "Pétrologie et structure du Complexe Granitique Estrela (2. 5 Ga) et de son encaissant métavolcano-sédimentaire (Province Métallifère de Carajas, Brésil)." Nancy 1, 1997. http://docnum.univ-lorraine.fr/public/SCD_T_1997_0190_DE_MESQUITA_BARROS.pdf.

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La Province Métallifère de Carajas, située au Sud-est du craton Amazonien, renferme une extensive séquence métavolcano-sédimentaire d'âge archéen (-2. 76 Ga) recoupée par des granites fini-archéens (-2. 57 Ga). Nous avons caractérisé pétrologiquement et structuralement le Complexe Granitique Estrela et son encaissant métavolcano-sédimentaire immédiat. La séquence métavolcano-sédimentaire est constituée essentiellement de métabasites auxquelles sont subordonnées des ultrabasites, formations ferrifères, quartzites, métapélites et roches calco-silicatées. Les métabasites présentent la signature c
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Vigneresse, Jean-Louis. "La croûte du Massif armoricain : intrusions granitiques, déformation hercynienne, structure thermique." Montpellier 2, 1987. http://www.theses.fr/1987MON20096.

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On presente une revue des formes de plutons suivant leur nature geochimique et leur contexte tectonique. On calcule l'intensite de la deformation et la largeur de la zone deformee. Des cartes du flux et de la production de chaleur dans l'ouest de la france sont etablies. Ces mesures refletent une influence crustale profonde correspondant a celle mesuree en angleterre. La profondeur est correlee a l'epaisseur des couches situees au-dessus des granulites observees en sismique
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Pistre, Séverin. "Structure fissurale et modélisation hydrodynamique : cas d'un réservoir aquifère en milieu granitique." Montpellier 2, 1992. http://www.theses.fr/1992MON20009.

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La premiere partie du memoire est consacree a la structure et a l'histoire tectonique du massif de millas. A partir des methodes microtectoniques en particulier, la genese et l'evolution des systemes fissuraux sont caracterisees et replacees dans le contexte tectonique regional. Cette partie comprend une description du milieu fissural aux differentes echelles d'observation: echelle du massif, du site experimental, de l'affleurement et en forage. Dans la deuxieme partie, la fracturation est abordee en termes numeriques, necessaires aux simulations du reseau fissural. Aux differentes echelles en
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Cheaito, Mohamad. "Approche de la modélisation d'objets géologiques déformés. Conception, structure logique et algorithmique, résultats." Phd thesis, Saint-Etienne, 1993. https://theses.hal.science/tel-00838753.

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Ce travail prend place au sein d'une recherche sur la modélisation 3d des scènes géologiques. Son apport spécifique est le suivant: 1) une réflexion générale est menée sur la géométrie des principaux types de corps géologiques ; 2) une réflexion est également menée, au vu notamment des travaux réalisés antérieurement ; 3) à la suite de cette réflexion d'ensemble, nous centrons la réflexion sur un problème particulier: celui de la modélisation d'objets de forme quelconque susceptibles d'être déformés ou d'être composés entre eux. Nous montrons que la question essentielle sous-jacente a une modé
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Books on the topic "Granite structure"

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Nédélec, Anne. Granites: Petrology, structure, geological setting, and metallogeny. Oxford University Press, 2015.

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Bergman, Leif. Structure and mechanism of intrusion of postorogenic granites in the archipelago of southwestern Finland. Åbo akademi, 1986.

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Guineberteau, Bruno. Le massif granitique de Mortagne-sur-Sèvre (Vendée): Structure, gravimétrie, mise en place : distribution de U-Th-K. Centre de recherches sur la géologie de l'uranium, 1986.

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1942-, Wallace C. A., ed. Rocks and structure of the southern Sapphire Mountains, Granite and Ravalli Counties, Western Montana. Dept. of the Interior, U.S. Geological Survey, 1989.

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Canada, Atomic Energy of. Comparison of the Pore-Microcrack Structure of Shallow and Deep Samples of the Lac du Bonnet Granite. s.n, 1985.

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Lidke, David J. Rocks and structure of the north-central part of the Anaconda Range, Deer Lodge and Granite counties, Montana. U.S. G.P.O., 1992.

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Marre, Jacques. The structural analysis of granitic rocks. Elsevier, 1986.

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Bahls, Loren L. Biological integrity of Jackson Creek, Jennies Fork, and Granite Creek in the Lake Helena TMDL planning area based on the structure and composition of the Benthic algae community. Montana Dept. of Environmental Quality, 2003.

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Bouchez, J. L. (Jean Luc), ed. Pétrologie des granites: Structure, cadre écologique. Vuibert, 2011.

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1965-, Reinhardt Eric, Gaumy Jean, Gruyaert Harry 1941 phot, and Barral Xavier, eds. La tour Granite. Xavier Barral Editeur, 2009.

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Book chapters on the topic "Granite structure"

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Komor, S. C., J. W. Valley, P. E. Brown, and B. Collini. "Fluid Inclusions in Granite from the Siljan Ring Impact Structure and Surrounding Regions." In Deep Drilling in Crystalline Bedrock. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73452-6_18.

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Wang, Q., J. Beeson, and I. H. Campbell. "Granite-greenstone zircon U-Pb chronology of the Gum Creek Greenstone Belt, Southern Cross Province, Yilgarn Craton: Tectonic implications." In Structure and Evolution of the Australian Continent. American Geophysical Union, 1998. http://dx.doi.org/10.1029/gd026p0175.

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Rockwell, Thomas, Matthew Sisk, Gary Girty, Ory Dor, Neta Wechsler, and Yehuda Ben-Zion. "Chemical and Physical Characteristics of Pulverized Tejon Lookout Granite Adjacent to the San Andreas and Garlock Faults: Implications for Earthquake Physics." In Mechanics, Structure and Evolution of Fault Zones. Birkhäuser Basel, 2009. http://dx.doi.org/10.1007/978-3-0346-0138-2_9.

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Cooling, C. M., and L. W. Tunbridge. "Methods of rock mass structure assessment and in-situ stress measurement carried out in Cornish granite." In Design and Instrumentation of In Situ Experiments in Underground Laboratories for Radioactive Waste Disposal. Routledge, 2022. http://dx.doi.org/10.1201/9781315140964-22.

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Bouchez, Jean Luc. "Granite is Never Isotropic: An Introduction to AMS Studies of Granitic Rocks." In Petrology and Structural Geology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1717-5_6.

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Elsobky, Basma, Nada Attia, Omar Moustafa, et al. "Use of Granite Slurry in Masonry Manufacturing and Wall Construction." In Recent Research in Sustainable Structures. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-34216-6_3.

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Nor, Noorsuhada Md, Khairul Afinawati Hashim, Shahrum Abdullah, and Nur Fazlinieza Khairosam. "Experimental Investigation of Acoustic Emission Characteristics at Different Type of Sensors for Granite." In Structural Integrity. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85646-5_16.

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Olivier, Philippe, Michel de Saint Blanquat, Gérard Gleizes, and Denis Leblanc. "Homogeneity of Granite Fabrics at the Metre and Dekametre Scales." In Petrology and Structural Geology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1717-5_7.

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Walgenbach-Albat, F., T. Göckel, A. Laubach, G. Kusser, F. Miebach, and J. Schaffitzel. "Investigations on shear-connections of timber-granite-composite structures." In Structures and Architecture A Viable Urban Perspective? CRC Press, 2022. http://dx.doi.org/10.1201/9781003023555-164.

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Anma, Ryo. "Oblique Diapirism of the Yakushima Granite in the Ryukyu Arc, Japan." In Petrology and Structural Geology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1717-5_18.

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Conference papers on the topic "Granite structure"

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Zhang, Yuanyuan, Yongtian Luo, Jin Xu, Weihua Liu, Lixun Huang, and Zhe Zhang. "Structured Compressive Sensing Based Joint User Activity and Data Detection for Grant-Free mMTC." In 2024 9th International Conference on Intelligent Computing and Signal Processing (ICSP). IEEE, 2024. http://dx.doi.org/10.1109/icsp62122.2024.10743465.

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Panteleev, Ivan, Virginia Mubassarova, Ekaterina Damaskinskaya, Oleg Naimark, and Leonid Bogomolov. "Influence of weak electric field on spatial-temporal dynamics of damage evolution during granite deformation." In ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4932867.

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Lokajícek, T., M. Petružálek, T. Svitek, R. Vasin, and H. R. Wenk. "Westerly Granite Anisotropy Study." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-0850.

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ABSTRACT: Westerly granite (WG) is well known rock, believed to be isotropic. We studied four samples of WG heated between 100°C and 600°C, by ultrasonic sounding on spherical samples under hydrostatic pressure up to 400 MPa, neutron diffraction on identical samples and scanning electron microscopy (SEM). Thermal treatment studies are important for localities like nuclear waste storages, geothermal projects, rock and earthquake mechanics. All measurements were done at room temperature. The 3D distribution of P-wave velocities at high pressures reflects intrinsic structure and even though the a
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Tucker, R. S., W. J. Sercombe, and J. F. Flint. "Influence of Depositional Facies and Structure on Waterflood Performance, Granite Point Field, Cook Inlet, Alaska." In Offshore Technology Conference. Offshore Technology Conference, 1989. http://dx.doi.org/10.4043/5898-ms.

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Denisova, Yu V. "GEOCHEMISTRY OF RARE ELEMENTS IN ZIRCON FROM GRANITES OF THE KUZPUAYU MASSIF (THE SUBPOLAR URALS)." In Проблемы минералогии, петрографии и металлогении. Научные чтения памяти П. Н. Чирвинского. Perm State University, 2023. http://dx.doi.org/10.17072/chirvinsky.2023.28.

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Many questions of the genesis of igneous rocks, hydrothermal-metasomatic processes, ore formation processes can be solved by studying accessory minerals containing rare earths. One of the most informative accessory minerals is zircon, which during growth records all the changes occurring in the mineral formation environment in its composition, structure and morphology. The analysis of the contents of rare elements in zircons from the granite of the Kuzpuayu massif revealed the absence of a number of elements. The deficiency of Tb, Ho, Tm indicates the formation of the studied granites at high
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Yang, Zheng, Yike Dang, Shangtong Yang, and Xiaoyu Liu. "Analysis of Mechanical Properties and Failure Modes in Thermally Treated Granite with Structural Defects." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0118.

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ABSTRACT: Natural rocks usually contain joints, fractures, etc. However, current research on rocks' mechanical properties after thermal treatment focuses on intact rocks. To make up for this deficiency, we investigated the influence of temperature on the strength, deformation, and crack propagation behavior of granite with single fissures at different angles. The results indicate that: (1) Compared to intact specimens, the strength of defective granite is reduced due to the presence of defects. As the crack angle increases from 0° to 90°, peak strength and elastic modulus decrease and then inc
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Watanabe, N., N. Hirano, and N. Tsuchiya. "Evaluation of Aperture Structure and Fluid Flow in Shear Fracture of Granite using High-Resolution Numerical Modeling Technique." In WATER DYANMICS: 4th International Workshop on Water Dynamics. AIP, 2007. http://dx.doi.org/10.1063/1.2721251.

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Denecke, Melissa A., Koen Janssens, Boris Brendebach та ін. "Confocal μ-XRF, μ-XAFS, and μ-XRD Studies of Sediment from a Nuclear Waste Disposal Natural Analogue Site and Fractured Granite Following a Radiotracer Migration Experiment". У X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference. AIP, 2007. http://dx.doi.org/10.1063/1.2644469.

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Feng, Jianyun, Ying Zhang, Herong Zheng, Jun Luo, Yan Zeng, and Xiaorui Yun. "Formation Model of Granite Geothermal System in the Fujian, Guangdong and Hainan Provinces in Southeast China." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0038.

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ABSTRACT: Granitic plutons are widespread distributed in Fujian, Guangdong and Hainan Provinces that comprise granite batholith of various rock gradients and multi-phase intrusions formed in a complicated geological setting of geodynamics. It's widely accepted that granite is an ideal heat source and conductor for its highly radioactive and high-thermal conductivity, which facilitates migration and enrichment of deep-seated intermediate-high temperature geothermal system, as long as reservoir and cap-rock develops well. Therefore, how to predict granitic fracture reservoir with a certain scale
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Li, Huan, Zhongwei Huang, Jingbin Li, Kang Cheng, Jingru Hu, and Wenbin Li. "Effect of Nozzle Structure on Rock Drilling Performances of Abrasive Waterjet." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0252.

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ABSTRACT Jet nozzle plays an important role in an abrasive waterjet (AWJ) machining system and determines the rock-breaking performance. Here, we conducted AWJ rock-breaking experiments with straight cone nozzle (SCN), fan-shaped nozzle (FSN), swirling impeller nozzle (SIN) and straight-swirling mixed nozzle (SSMN). Granite and sandstone were selected as the target rock materials. Jet-drilled hole morphology, diameter, depth and volume were performed to evaluate the rock-breaking performances of the nozzles. And, the application scenarios of different AWJ nozzles were illustrated and recommend
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Reports on the topic "Granite structure"

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Thomas, M. D. Magnetic and gravity models, northern half of the Taltson Magmatic Zone, Rae Craton, Northwest Territories: insights into upper crustal structure. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328244.

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A prominent magnetic low along an eastern portion of the Paleoproterozoic Taltson magmatic zone (TMZ) correlates mainly with the youngest granitoid in the zone, the peraluminous ca. 1936 Ma Konth granite. Flanking belts of higher magnetic intensity coincide mainly with slightly older Taltson plutonic rocks (e.g. ca. 1986 Ma Deskenatlata granodiorite, ca. 1955 Ma Slave granite) to the west and Neoarchean and/or Paleoproterozic gneisses of the Rae Craton to the east. A prominent gravity low along a portion of the northeastern margin of the TMZ correlates mainly with the Konth granite. Modelling
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Benn, K., M. Genkin, C. R. van Staal, and S. Lin. Structure and anisotropy of magnetic susceptibility of the Rose Blanche Granite, southwestern Newfoundland: kinematics and relative timing of emplacement. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/134273.

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Steenkamp, H. M., N. Wodicka, O. M. Weller, et al. Bedrock geology, Wager Bay area, Kivalliq, Nunavut, parts of NTS 56-F, G. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331890.

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New geological mapping in the Tehery Lake-Wager Bay area of northwestern Hudson Bay, Nunavut, frames the emplacement, depositional, and metamorphic histories of the dominant rock types, major structures, and links to neighbouring areas of the central Rae Craton and Chesterfield Block. The area is divided into six domains (Ukkusiksalik, Douglas Harbour, Gordon, and Lunan domains presented here, and Kummel Lake Domain and Daly Bay Complex on adjoining maps) defined by large-scale structures and characterized by differing metamorphic assemblages, Sm-Nd and U-Pb isotopic data, and/or specific lith
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Steenkamp, H. M., N. Wodicka, C. J M Lawley, et al. Bedrock geology, Daly Bay area, Kivalliq, Nunavut, NTS 56-A, 46-D west, 46-E southwest, and 56-H south. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331888.

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New geological mapping in the Tehery Lake-Wager Bay area of northwestern Hudson Bay, Nunavut, frames the emplacement, depositional, and metamorphic histories of the dominant rock types, major structures, and links to neighbouring areas of the central Rae Craton and Chesterfield Block. The area is divided into six domains (Ukkusiksalik, Douglas Harbour, and Gordon domains and Daly Bay Complex presented here, and Lunan and Kummel Lake domains on adjoining maps) defined by large-scale structures and characterized by differing metamorphic assemblages, Sm-Nd and U-Pb isotopic data, and/or specific
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Steenkamp, H. M., N. Wodicka, C. J M Lawley, et al. Bedrock geology, Armit Lake area, Kivalliq, Nunavut, NTS 56-B and 56-C east. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331889.

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New geological mapping in the Tehery Lake-Wager Bay area of northwestern Hudson Bay, Nunavut, frames the emplacement, depositional, and metamorphic histories of the dominant rock types, major structures, and links to neighbouring areas of the central Rae Craton and Chesterfield Block. The area is divided into six domains (Gordon, Lunan, and Kummel Lake domains presented here, and Ukkusiksalik and Douglas Harbour domains and Daly Bay Complex on adjoining maps) defined by large-scale structures and characterized by differing metamorphic assemblages, Sm-Nd and U-Pb isotopic data, and/or specific
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Houck, Karen, Jay Temple, Kassandra Lindsey, Lauren Broes, and Daniel Miggins. OF-20-02 Geologic Map of the Agate Mountain Quadrangle, Park County, Colorado. Colorado Geological Survey, 2024. https://doi.org/10.58783/cgs.of2002.gfnp2602.

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The Agate Mountain quadrangle contains Proterozoic igneous and metamorphic rocks, Paleozoic sedimentary rocks, and Cenozoic volcanic and volcaniclastic rocks. Proterozoic rocks include granite, granitic gneiss, gabbro porphyry, pegmatite, mylonite, and microbreccia. Paleozoic sedimentary rocks include the Manitou Formation, Harding Sandstone, Fremont Formation, Dyer Dolomite, Leadville Limestone, Belden Formation, Minturn Formation, and Maroon Formation. Cenozoic volcanic and volcaniclastic rocks include Wall Mountain Tuff, Thirtynine Mile Andesite, volcanic breccias, trachybasalt, Tallahassee
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Cawood, T. K., J. A. Cutts, and A. Godet. Is there a link between orogenic collapse and lithium-bearing pegmatites? Natural Resources Canada/CMSS/Information Management, 2025. https://doi.org/10.4095/pkm7sta6f5.

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Les pegmatites contenant du lithium et les granites de type S sont largement reconnus comme produits de la fusion partielle de séquences supracrustales en profondeur. Une telle fonte est généralement attribuée à un épaississement de la croûte en réponse à une accrétion ou à une collision. Cependant, ces pegmatites et granites ont généralement été mis en place au cours des derniers stades de l'orogenèse, et de nombreuses régions contenant des pegmatites présentent également des preuves d'une extension syn- à post-orogénique. De telles preuves comprennent une lithosphère amincie, des structures
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Harris, L. B., P. Adiban, and E. Gloaguen. The role of enigmatic deep crustal and upper mantle structures on Au and magmatic Ni-Cu-PGE-Cr mineralization in the Superior Province. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328984.

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Aeromagnetic and ground gravity data for the Canadian Superior Province, filtered to extract long wavelength components and converted to pseudo-gravity, highlight deep, N-S trending regional-scale, rectilinear faults and margins to discrete, competent mafic or felsic granulite blocks (i.e. at high angles to most regional mapped structures and sub-province boundaries) with little to no surface expression that are spatially associated with lode ('orogenic') Au and Ni-Cu-PGE-Cr occurrences. Statistical and machine learning analysis of the Red Lake-Stormy Lake region in the W Superior Province con
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Hughes, Kate. Community Resilience Partnership Program Project Brief No. 1: Designing a Grant Mechanism for Women-Focused Cooperatives to Support Resilient Livelihoods. Asian Development Bank, 2025. https://doi.org/10.22617/brf250285-2.

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This brief demonstrates how developing and strengthening women-focused institutional structures, such as women-led cooperatives, can deliver resilience outcomes and position women as key stakeholders in building climate resilience in their communities. The brief highlights the Community Resilience Partnership Program’s support to women and disadvantaged groups through targeted strategies, including grant mechanisms for women-focused cooperatives, capacity building and training, empowerment and agency, improved access to water and livelihood infrastructure, strengthening institutional structure
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Hanmer, S. K. Granulite Facies Mylonites: a Brief Structural Reconnaissance North of Stony Rapids, northern Saskatchewan. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/122557.

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