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Thèses sur le sujet « Rocks »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 25 juillet 2025

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1

Karpathakis, George. "Rock stories: The discourse of rocks and rock-collecting." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2008. https://ro.ecu.edu.au/theses/218.

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Humanity's relationship with rocks is a long-standing one. Belk (1995, p.2) describes archaeological evidence of early assemblages of rocks found in Cro-Magnon caves that would not be out of place in contemporary rock-collections. Historically, apart from being used as material for tools and buildings. rocks were also used for magical, pharmaceutical and decorative purposes. During the Renaissance and Enlightenment, the practice of collecting rocks became associated with the sense of discovery and the colonial expansion of western European civilization across world, and with advances in mining

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2

Meyers, Anthony G. "The determination of rock mass strength for engineering design /." Title page, contents and abstract only, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phm6134.pdf.

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3

Cheng, Pei-fen Caral. "Project report on direct shear tests for rock joints." Click to view the E-thesis via HKUTO, 2002. http://sunzi.lib.hku.hk/hkuto/record/B42576659.

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4

Lock, Yick-bun. "An examination of failure criteria for some common rocks in Hong Kong /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17665164.

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5

Liu, Hao. "Acoustic emission and crack development in rocks." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22786338.

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6

Wong, Chi-ho Howard. "Parametric study for a cavern in jointed rock using a distinct element model /." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36616746.

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7

Wong, Wing-yee. "Permeability studies in rock fractures." View the Table of Contents & Abstract, 2002. http://sunzi.lib.hku.hk/hkuto/record/B30109334.

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8

Lin, Qiaoxing. "Strength degradation and damage micromechanism of granite under long-term loading." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B37115406.

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9

Cheng, Pei-fen Caral, and 鄭佩芬. "Project report on direct shear tests for rock joints." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B42576659.

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10

Liu, Hao, and 劉浩. "Acoustic emission and crack development in rocks." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31242066.

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11

Bradley, Frankie M. "Picking up rocks." Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2008m/bradley.pdf.

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12

Akram, Muhammad. "The effect of zero point charge environment on rock fracture behavior." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08142009-040230/.

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13

Priyono, Joko. "The effects of high energy milling on the performance of silicate rock fertilizers." University of Western Australia. School of Earth and Geographical Sciences, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0050.

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[Truncated abstract] Many researchers have proposed the use of silicate rock fertilizers (SRFs) as alternatives to chemical fertilizers. However, the application of SRFs in modern agricultural practices is limited due mainly to the slow release of plant-nutrient elements from SRFs and consequently many tonnes/ha of SRFs may need to be applied. Simple and inexpensive methods of modifying the physicochemical properties of SRFs are needed to improve the agronomic effectiveness of SRFs. This thesis is focused on the evaluation of high-energy milling to produce superfine particles to improve the e

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14

Holyoke, Caleb W. "Strain weakening in crustal and upper mantle lithologies : processes and consequences /." View online version; access limited to Brown University users, 2005. http://wwwlib.umi.com/dissertations/fullcit/3174620.

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15

Lin, Qiaoxing, and 林僑興. "Strength degradation and damage micromechanism of granite under long-term loading." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B37115406.

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16

Wong, Chi-ho Howard, and 黃志豪. "Parametric study for a cavern in jointed rock using a distinct elementmodel." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B45014383.

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17

Stoffle, Richard W., Lawrence L. Loendorf, Diane E. Austin, David B. Halmo, Angelita S. Bulletts, and Brian K. Fulfrost. "Tumpituxwinap (Storied Rocks): Southern Paiute Rock Art in the Colorado River Corridor." Bureau of Applied Research in Anthropology, University of Arizona, 1995. http://hdl.handle.net/10150/279732.

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The Bureau of Reclamation (BOR) is interested in understanding the human and environmental consequences of past Glen Canyon Dam water release policies and using these data to inform future water release and land management policies. One step in this direction is to understand how American Indian people have used the Colorado River and adjoining lands in Glen Canyon and Grand Canyon. The BOR, through its Glen Canyon Environmental Studies (GCES) office, has provided funds for various American Indian groups to identify places and things of cultural significance in the 300 mile long river and cany

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18

Saigal, Girish C. "Petrological studies of Devonian rocks in Scotland and Cretaceous rocks in Canada." Thesis, University of St Andrews, 1985. http://hdl.handle.net/10023/15571.

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Sedimentological, petrological and geochemical studies have been carried out to analyse the process of calcretization and to understand the influence of environment of deposition on sandstone diagenesis. The sediments examined come from Lower Old Red Sandstones (Lr. Devonian) of eastern Scotland and hydrocarbon bearing Viking, Cardium and Belly River Formations (Cretaceous) of southcentral Canada. Some scepticism has been expressed regarding the occurrence of displacive calcite but this type of growth has been found in the calcrete profiles in Lower Old Red Sandstones of Carnoustie, east Scotl

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19

DeForest, David Scott. "Assessing"lithic sound" to predict a rock's ease of flaking." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4614.

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Thesis (M.A.) University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 22, 2007) Includes bibliographical references.

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20

Huang, Wentao, Peter C. Lippert, Yang Zhang, et al. "Remagnetization of carbonate rocks in southern Tibet: Perspectives from rock magnetic and petrographic investigations." AMER GEOPHYSICAL UNION, 2017. http://hdl.handle.net/10150/624349.

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The latitudinal motion of the Tibetan Himalayathe northernmost continental unit of the Indian plateis a key component in testing paleogeographic reconstructions of the Indian plate before the India-Asia collision. Paleomagnetic studies of sedimentary rocks (mostly carbonate rocks) from the Tibetan Himalaya are complicated by potentially pervasive yet cryptic remagnetization. Although traditional paleomagnetic field tests reveal some of this remagnetization, secondary remanence acquired prior to folding or tilting easily escapes detection. Here we describe comprehensive rock magnetic and petrog

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21

Chiu, Chi-kan, and 趙志勤. "Index properties and a three dimensional failure criterion of rocks." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31222390.

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22

Li, Xiang. "Lifetime prediction for rocks." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2013. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-126371.

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A lifetime prediction scheme is proposed based on the assumption that the lifetime (time to failure) of rocks under load is governed by the growth of microstructual defects (microcracks). The numerical approach is based on linear elastic fracture mechanics. The numerical calculation scheme is implemented as a cellular automat, where each cell contains a microcrack with length and orientation following certain distributions. The propagation of the microcrack is controlled by the Charles equation, based on subcritical crack growth. The zone inside the numerical model fails if the microcrack has

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23

Söderlund, Anders. "Procedural Modeling of Rocks." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-254208.

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Gaming and other virtual environments are a big part of today's society, but manual modeling of terrains used in such environments can be a lengthy and tedious process. This thesis serves to explore a few methods of procedurally generating models of rocks or boulders that could be used in such contexts. This includes geometry and shading. A couple of different methods are explored. Sphere inflation, inspired by a classic sphere modeling method, involves "inflating" a base mesh (usually a platonic solid) to grow towards the boundaries of a sphere using an iterative subdivision approach, halting

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24

Abdulrahman, Ahmed Abdulhamid. "The influence of water content on the rock cutting parameters of six rocks." Thesis, University of Newcastle Upon Tyne, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310034.

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25

Felton, David Scott. "Theoretical dissolution coefficient for rock fractures." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/21505.

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26

Guinea, Maysounave Ander. "Geoelectrical Characterization of Sulphate Rocks." Doctoral thesis, Universitat de Barcelona, 2012. http://hdl.handle.net/10803/77857.

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Gypsum rocks are widely exploited in the world as industrial minerals. The purity of the gypsum rocks (percentage in gypsum mineral –CaSO4•2H2O- in the whole rock) is a critical factor to evaluate the potential exploitability of a gypsum deposit. It is considered than purities higher than 80% in gypsum are required to be economically profitable. Gypsum deposits have been studied with geoelectrical methods; a direct relationship between the electrical resistivity values of the gypsum rocks and its lithological composition has been established, with the presence of lutites being the main control

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27

Dinh, Quoc Dan. "Brazilian test on anisotropic rocks." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2011. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-76331.

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The present work describes investigations on the anisotropic strength behavior of rocks in the splitting tensile test (Brazilian test). Three transversely isotropic rocks (gneiss, slate and sandstone) were studied in the Lab. A total of more than 550 indirect tensile strength tests were conducted, with emphasis was placed on the investigation of the influence of the spatial position of anisotropic weakness plane to the direction of the load on the fracture strength and fracture or fracture mode. In parallel, analytical solutions were evaluated for stress distribution and developed 3D numerical

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28

Simpson, Annika Emilia. "Microbial weathering of volcanic rocks." Thesis, Open University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607463.

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The aim of this thesis was to further the knowledge on microbial weathering, by looking at the effect of model organisms (AcidithiobacilIus ferrooxidans and Geobacter metallireducens) to natural microbial communities (from basaltic glass). It was found that the medium water-rock ratio (50: I) provided the optimum conditions for A. ferrooxidans growth, whilst the low water-rock ratio (1: I) had a lower release of iron because of pH. The pH affected the release of iron and REEs, with less released the higher the pH. In addition, it was found that, though localised areas of hematite were found on

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29

Dodd, Matthew S. "Biosignatures in Precambrian sedimentary rocks." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10055383/.

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The overarching goal of this work was to trace the origins of organic matter as a possible biosignature for early life on Earth. This work documented the petrological, structural, isotopic, elemental and molecular properties of organic matter, in a suite of sediments ranging from the Eoarchean to the Phanerozoic. Particular attention was paid to iron formations which form a major part of the Precambrian sedimentological record. Optical and micro-Raman spectroscopy were used to document the petrological occurrences of organic matter and its associated diagenetic features. Focused ion beam and t

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30

Martinez, Ariel R. (Ariel Ruy) 1972. "Fracture coalescence in natural rocks." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/79986.

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31

Pei, Jianyong 1975. "Strength of transversely isotropic rocks." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43910.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2008.<br>Includes bibliographical references (p. 253-259).<br>This thesis proposes a new Anisotropic Matsuoka-Nakai (AMN) criterion to characterize the failure of transversely isotropic rocks under true triaxial stress states. One major obstacle in formulating an anisotropic criterion is that it usually involves six stress components, instead of three principal stresses. As such, anisotropic criteria usually lead to complicated mathematical expressions, and cannot be directly visualized in thr

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32

Freiman, Gabriel, Jean-Pierre Korb, Benjamin Nicot, and Patrice Ligneul. "Microscopic wettability of carbonate rocks." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-192328.

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Nuclear Magnetic Relaxation Dispersion (NMRD) is strongly sensitive to the microscopic wettability of oil and brine bearing carbonate rocks. Exploring a very large range of low frequency enables isolating the typical NMRD dispersion features, 1/T1Surf, associated to the different processes of molecular surface dynamics. This allows a separation of the surface and bulk microdynamics of oil and water even for a biphasic saturation of petroleum rocks. Several surface dynamical parameters were determined and related to the concept of microscopic wettability of oil and water in porous media.

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33

Carvalho, Christian Bassoli de. "Nondestructive evaluation of riprap rocks." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0005403.

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34

Brocks, Jochen J. "Molecular fossils in Archean rocks." Phd thesis, School of Geosciences, 2001. http://hdl.handle.net/2123/14300.

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35

Chan, Heung-ngai. "Igneous and metamorphic rocks from SW Cyprus and NW Syria evidence for Cretaceous microplate collision and subsequent tectonic events in the Eastern Mediterranean /." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B30711940.

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36

Carswell, Dennis Anthony. "Petrology, whole rock and mineral chemistry, thermobarometry and interpretation of high pressure metamorphic rocks." Thesis, University of Edinburgh, 1988. http://hdl.handle.net/1842/27764.

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37

SCARSI, MARCO. "Faulting, fluid-rock interaction and hydrothermal mineralisation in ultramafic rocks (Voltri Massif, Ligurian Alps)." Doctoral thesis, Università degli studi di Genova, 2018. http://hdl.handle.net/11567/929962.

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This study deals with reverse faults within intensely carbonated metalherzolites, with related gold mineralisations, from the Voltri Massif, and in particular within the Lavagnina Lakes area, in the Gorzente Valley. This area is located in northwest Italy among the municipalities of Casaleggio Boiro, Lerma, Mornese, and Bosio (Alessandria, Italy; GPS coordinates WGS84, 44.600685° N, 8.784286° E). The Voltri Massif is a metaophiolitic complex, which occurs within the Eastern edges of the Ligurian Alps. It is made up of of metaophiolitic rocks associated with metasediments and slices of

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38

Tang, Yin-tong. "Rock stress determination in Hong Kong Island by using hydraulic fracturing method /." View the Table of Contents & Abstract, 2005. http://sunzi.lib.hku.hk/hkuto/record/B36357625.

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39

Thorn, Brian T. "The hand that rocks the cradle rocks the world, women in Vancouver's Communist movement, 1935-1945." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61609.pdf.

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40

Neal, J. David. "Life on the rocks, environmental perceptions of the Rock Crawlers, a Western American recreational commmunity." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0017/NQ47499.pdf.

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41

Zedeno, M. Nieves, Richard W. Stoffle, Genevieve Dewey-Hefley, and David Shaul. "Storied Rocks: American Indian Inventory and Interpretation of Rock Art on the Nevada Test Site." Bureau of Applied Research in Anthropology, The University of Arizona in Tucson, 1999. http://hdl.handle.net/10150/272093.

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This government-to-government consultation between the Department of Energy, Nevada Operations Office (DOE /NV) and the Consolidated Group of Tribes and Organizations (CGTO) focused on the interpretation of 10 rock art sites; seven on the Nevada Test Site (NTS), and three on the Yucca Mountain Site Characterization Office (YMSCO). The consultation entailed a systematic ethnographic study of petroglyphs, pictographs, and other rock art manipulations. The objective of the project was to gain an understanding of the cultural significance of rock art for contemporary American Indians and its pl

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42

Sidborn, Magnus. "Modelling Some Biochemically Processes in Rocks." Licentiate thesis, KTH, Chemical Engineering and Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1679.

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<p>A model for studying oxygen depletion in subsurfacefractured rock have been developed. It is based on currentknowledge in several different reasearch disciplines such asgeology, microbiology and hydrology. The model may be a usefultool for predicting oxygen penetration in rock fractures. Thisis important for example in the safety assessment of a deeprock nuclear waste repository. In such a repositroy a reducingenvironment is desirable. Several potential oxygen consumingprocesses, both parallel and serial, were identified, each ofwhich may considerably contribute to the depletion of oxygen.A

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43

Maybee, William Gregory. "Pillar design in hard brittle rocks." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0011/MQ61284.pdf.

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44

Prasad, Umesh. "Dynamic fracture characteristics of selected rocks." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36826.

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Fragmentation by blasting is distinct from other method of rock breakage due mainly to the short time scale involved in the application of stresses. In the present work, the dynamic rock properties, applicable to non-static fragmentation process have been measured and compared with measured values of other fracture related properties. Further, these are examined to establish correlation with respect to their physical, mineralogical and micro-structural characteristics. The rock types selected for the present work ranged from nearly homogenous isotropic rock to an-isotropic rocks. The nearly is

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45

Blake, Oshaine Omar. "Seismic transport properties of fractured rocks." Thesis, University of Liverpool, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.569902.

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Fracture in rock is a major factor that affects the rock's physical properties and it also provides the route for the passage of fluids that can transport potentially hazardous substances and hydrothermal fluids. Assessment of the degree of fracture in rocks is important as they play an essential role in many geomechanical issues (stability of boreholes, stimulation of oil and geothermal reservoirs, the design of civil structures, tunnels and hazardous waste disposals), and in understanding a number of processes in the Earth's crust such as magmatic intrusions, plate tectonics, fault mechanics

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46

Bonet, Cruz Marisabel P. "Piedra entre olas = Rocks amidst waves." Honors in the Major Thesis, University of Central Florida, 2000. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/186.

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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.<br>Bachelors<br>Arts and Sciences<br>English

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47

Noorian-Bidgoli, Majid. "Strength and deformability of fractured rocks." Doctoral thesis, KTH, Mark- och vattenteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-155719.

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This thesis presents a systematic numerical modeling framework to simulate the stress-deformation and coupled stress-deformation-flow processes by performing uniaxial and biaxial compressive tests on fractured rock models with considering the effects of different loading conditions, different loading directions (anisotropy), and coupled hydro-mechanical processes for evaluating strength and deformability behavior of fractured rocks. By using code UDEC of discrete element method (DEM), a series of numerical experiments were conducted on discrete fracture network models (DFN) at an established r

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48

Kimber, Roger Neil. "Carboniferous basement rocks of northern Britain." Thesis, Durham University, 1987. http://etheses.dur.ac.uk/6787/.

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The study of Carboniferous basement rocks of northern Britain has concentrated on the dominantly clastic rock succession which unconformably overlies the Lower Palaeozoic basement and occurs beneath the lowermost Carboniferous limestones in areas surrounding the Vale of Eden. The clastic rocks exposed at Shap, the Mell Fells (Ullswater), Sedbergh and Cross Fell, mainly reflect fluvial deposition over an Upper Palaeozoic landscape which locally had considerable topographic relief. Within each clastic rock succession, which throughout the region varies in thickness from ca 4m to over 250m, overa

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49

Esfarjani, H. R. "Engineering properties of basic igneous rocks." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374739.

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50

Perarnau, A. "Palaeomagnetic studies of some Venezuelan rocks." Thesis, University of Newcastle Upon Tyne, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.351725.

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