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Dissertations / Theses on the topic 'Mineralisation'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Gray, C. J. "Lithogeochemical aureoles to Irish mineralisation." Thesis, University of Strathclyde, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381482.

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2

Brookshaw, Diana Roumenova. "Mineralisation and biomineralisation of radionuclides." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/mineralisation-and-biomineralisation-of-radionuclides(6c4c0f0e-96f6-4960-a1aa-9c0aa6eaa126).html.

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Management of contamination from industrial activities and wastes from nuclear power generation and weapons development are arguably amongst the greatest challenges facing humanity currently and into the future. Understanding the mobility of toxic radioactive elements is essential for successful remediation strategies and safe management of our nuclear waste legacy (DEFRA, 2008). Interactions between minerals and radionuclides, such as sorption and precipitation, govern the mobility of the contaminants through the subsurface environment. Microbial metabolic processes (redox cycling or release

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3

Quin, T. G. "Aspects of the mineralisation of iron." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375301.

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4

Reid, Carol Anne. "Texture analysis of bone mineralisation surfaces." Thesis, University of Glasgow, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287800.

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5

Houston, Dean Alexander. "Regulation of skeletal mineralisation by PHOSPHO1." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/29004.

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PHOSPHO1 is a skeletal specific phosphatase whose activity towards the lipid metabolites, phosphocholine (PCho) and phosphoethanolamine (PEth), results in the generation of inorganic phosphate (Pi) within matrix vesicles (MV). PHOSPHO1 activity is essential for the initiation of biomineralisation. The genetic ablation of Phospho1 results in severe hypomineralisation of the skeleton and dentition. Neutral sphingomyelinase 2 (nSMase2, encoded by the Smpd3 gene) catalyses the breakdown of the membrane lipid sphingomyelin to generate ceramide and PCho. Similar hypomineralisation of the skeleton is

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6

Staines, Katherine Ann. "Role of MEPE in chondrocyte matrix mineralisation." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/8157.

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Matrix Extracellular Phosphoglycoprotein (MEPE) is a member of a family of proteins called small integrin-binding ligand, N-linked glycoproteins (SIBLINGs) which play key roles in biomineralisation. Altered MEPE expression is associated with several phosphate and bone-mineral metabolic disorders such as oncogenic osteomalacia and hypophosphatemic rickets. Despite this, it remains undetermined what impact MEPE has on the growth plate; the cartilage anlagen from which endochondral ossification, the process responsible for linear bone growth, occurs. The work of this thesis has characterised the

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7

Nimfopoulos, M. K. "Manganese mineralisation near Kato Nevrokopi, Drama, Greece." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233390.

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The manganese mineralization near Kato Nevrokopi, Drama, in the Falakron mountains, is hosted by the Precambrian to Early Paleozoic Upper Marble. The marble and the underlying Lower Schist unit were metamorphosed between the Late Cambrian and the Carboniferous and were extensively deformed during the Alpine orogeny. The Alpine deformation is considered to have occurred between the Early Cretaceous and the Oligocene. Granodiorites and rhyodacites of Oligocene age outcrop also in the area. The mineralization near Kato Nevrokopi is confined to intersecting Alpine fault zones of northeast and nort

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8

Lawson, Tamara. "Mechanistic studies of mineralisation in Escherichia coli." Thesis, University of East Anglia, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.445211.

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9

Pilkington, Michael Gerald. "Impacts of increased atmospheric nitrogen deposition on a Calluna vulgaris upland moor, North Wales." Thesis, Manchester Metropolitan University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273050.

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1. Long-term nitrogen (N) addition plots on an upland Cal/una vulgaris moor had been treated for more than ten years with 0,40, 80 and 120 kg N ha-1 yr- 1 • 2. Sampling of the soil solution from under the mor and the mineral gley horizons over an annual cycle revealed a high degree of retention of N, between 60 % and 80 % of ambient N inputs in the control, and rising to 90 % in response to higher inputs of the N treatments. 3. After passing through the mineral gley horizon, N was further retained, by 85 % of ambient N inputs in the control, and rising to 97 % in response to the highest N trea

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10

Chee, Gan Poh. "Scale-up of an advanced oxidation process for the degradation of citric acid." Thesis, University of Bath, 1996. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307046.

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11

Agabalyan, Natacha Anahid. "The role of the tenocyte in tendon mineralisation." Thesis, University of Brighton, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608309.

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Despite tendons being the core link in the musculoskeletal system, transmitting force from muscle to bone, they are particularly prone to injury and degeneration. Arising as large tissue tears in athletes or accumulations of microdamage in ageing individuals, the prevalence of tendon injury has risen over the past 20 years. The lack of knowledge of this tissue has particular implications when it comes to understanding how tendon responds to damage through injury, disease or ageing. It is not known why tenocytes, the tendon cells secreting the extracellular matrix composing the tissue, fail to

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12

Thomson, Brian. "Geology of silver mineralisation at Candelaria, Nevada, USA." Thesis, University of Aberdeen, 1990. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=238078.

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Candelaria, situated in central western Nevada, along the western margin of the Great Basin, is a large and predominantly low grade, epigenetic disseminated- and vein-type Ag deposit, of Early Cretaceous age. It represents the eroded, deeply oxidised and fault-disrupted root of extensive stratiform quartz-dolomite stockworked and sericite-dolomite-altered zones of medium temperature pyrite-dominated Ag(-Pb-Zn-Sb-As±Cu±Au) sulphide-sulphosalt mineralisation, which is hosted by receptive sedimentary and igneous rocks within structurally favourable zones in a district-scale tectonic pinchout, and

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13

Ouyang, Xiaoguang. "Exploring Carbon Mineralisation and Burial in Coastal Wetlands." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/370678.

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Mangroves and saltmarshes are ‘blue carbon’ ecosystems and studies on their carbon (C) dynamics have become highly topical. In these coastal wetlands, the aboveground biomass sequesters C and allocates C to belowground roots. A significant portion of aboveground biomass is transferred to the sediment as litterfall. Belowground roots and their exudates are ultimately decomposed by microbial communities. As the product of root decomposition, CO2 is released from the sediment surface and organic C (OC) contributes to sediment C burial. In addition, the decomposition of litter and sediment organic

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14

Polya, D. A. J. "Chemical behaviour of tungsten in hydrothermal fluids." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378304.

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15

Evans, Jon Michael. "Gold exploration in tropically weathered terrains : the formation, evolution and geochemistry of lateritic profiles in Liberia and Guinea, West Africa." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395879.

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16

Diarra, Pobanou Hughes. "The geology and genesis of the Syama gold deposit, Mali, West Africa." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362528.

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17

Suzuki, Shuko. "In vitro mineralisation of well-defined polymers and surfaces." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16593/1/Shuko_Suzuki_Thesis.pdf.

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Currently, many polymeric biomaterials do not possess the most desirable surface properties for direct bone bonding due to the lack of suitable surface functionalities. The incorporation of negatively charged groups has been shown to enhance calcium phosphate formation in vitro and bone bonding ability in vivo. However, there are some conflicting literature reports that highlight the complicated nature of the mineralisation process as well as the sometimes apparent contradictory effect of the negatively charged groups. Surface modification using well-defined polymers offer a more precise contr

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18

Suzuki, Shuko. "In vitro mineralisation of well-defined polymers and surfaces." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16593/.

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Currently, many polymeric biomaterials do not possess the most desirable surface properties for direct bone bonding due to the lack of suitable surface functionalities. The incorporation of negatively charged groups has been shown to enhance calcium phosphate formation in vitro and bone bonding ability in vivo. However, there are some conflicting literature reports that highlight the complicated nature of the mineralisation process as well as the sometimes apparent contradictory effect of the negatively charged groups. Surface modification using well-defined polymers offer a more precise contr

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19

Turner, Andrew. "Vitamin D metabolism in an In Vitro mineralisation model /." Title page and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09SB/09sbt9438.pdf.

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20

Darke, K. E. "Supergene mineralisation in gold-rich Bolivian polymetallic vein deposits." Thesis, University of Aberdeen, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.592307.

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The Bolivian Au-rich polymetallic vein deposits (BPV) are associated with high level dacitic intrusives and volcanics, usually show pervasive phyllic alteration, and consist of massive sulfide veins. The deposits which have been studied, include the Kori Kollo gold mine (the largest gold project in Bolivia with sulfide ore reserves estimated at 65Mt.), the nearby Kiska prospect, and the prospects of La Riviera in the Western Cordillera and Escala in the southern Altiplano. Through the first detailed study of the geochemistry and mineralogy of the oxide zones, evidence of supergene processes wi

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21

Gregory, R. G. "Soil gas emanometry and hydrothermal mineralisation in southwest England." Thesis, University of Exeter, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377311.

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22

Hajjawi, M. O. R. "Nucleotides as regulators of bone cell function and mineralisation." Thesis, University College London (University of London), 2014. http://discovery.ucl.ac.uk/1435412/.

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Most cells, including bone cells, release ATP into the extracellular environment. A considerable body of previous work has shown that ATP, acting through the P2 receptors, inhibits bone formation by osteoblasts and increases bone resorption by osteoclasts. This work focuses on the action of two key breakdown products of ATP, pyrophosphate and adenosine on bone cell function. Pyrophosphate, a ubiquitous physicochemical inhibitor of mineralisation, is formed from extracellular ATP by the action of ecto-nucleotide pyrophosphatase phosphodiesterases (NPPs); in bone these enzymes act in opposition

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23

Adamson, David W. "Volcanogenic mineralisation in the limestone lake area, Saskatchewan, Canada." Thesis, Aston University, 1988. http://publications.aston.ac.uk/14385/.

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This thesis describes the geology, geochemistry and mineralogy of a Lower Proterozoic, metamorphosed volcanogenic Cu-Zn deposit, situated at the western end of the Flin Flon greenstone belt. Stratabound copper mineralisation occurs in silicified and chloritoid-bearing alteration assemblages within felsic tuffs and is mantled by thin (< 3m) high-grade sphalerite layers. Mineralisation is underlain by garnet-hornblende bearing Lower Iron Formation (LIF), and overlain by garnet-grunerite bearing Upper Iron Formation (UIF). Distinctive trace element trends, involving Ti and Zr, in mineralised and

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24

Horswell, Jacqueline. "Investigation of approaches to accelerate atrazine mineralisation in soil." Thesis, University of Aberdeen, 1997. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU094707.

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Atrazine, a member of the s-triazine herbicides, appears on the EC Red List of chemicals that cause environmental concern, with residues occurring frequently in sub-soils and aquifers world-wide. Microbial metabolism is considered to be the major mechanism of complete removal of atrazine from the soil environment. Laboratory-based studies were carried out to investigate the microbial mineralisation of atrazine in soil, and to develop novel methods for potential acceleration of breakdown. In initial investigations, simple microcosm experiments were carried out to identify the importance of diff

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25

Lord, Richard Alastair. "Platinum-group element mineralisation in the Shetland ophiolite complex." Thesis, Open University, 1991. http://oro.open.ac.uk/57329/.

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The Shetland ophiolite complex exhibits the lower part of the definitive Penrose sequence, but chromitites from the Cliff locality contain levels of Pt and Pd which are unusual in ophiolites. Aspects of this mineralisation suggest both magmatic and hydrothermal concentration processes, although neither individually explain the observed paragenesis. This study examines the distribution of PGE within a representative fresh vertical section of the ophiolite stratigraphy, to assess the relative roles of such processes in the concentration and fractionation of PGE. In the field area around Balta So

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26

Webber, D. M. "The application of quantitative cytochemical techniques to the study of bone turnover." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378804.

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27

McEwan, C. J. A. "Geology, geochemistry and stable isotope studies of an epithermal hydrothermal system, Rosita Hills, Colorado." Thesis, University of Aberdeen, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383565.

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The Rosita Hills volcanic centre is an alkali-calcic mid-Tertiary caldera complex overlying ortho- and paragneissic basement on the eastern margin of the Wet Mountains graben in southcentral Colorado. There were two mineralising events at the Rosita centre. Au, Ag and base metal mineralisation occurred in a phreatomagmatic breccia pipe at the northern margin of the complex. Later, Ag and base metal mineralisation occurred in veins in the centre of the complex. Mapping, petrological and XRD studies outline 4 alteration facies related to hydrothermal activity at the centre. Propylitic/argillic,

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28

Redwood, S. D. "Epithermal precious and base metal mineralisation and related magmatism of the Northern Altiplano, Bolivian." Thesis, University of Aberdeen, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377620.

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The Bolivian Altiplano is part of the inner arc Polymetallic Belt of the Andes, and is a Cretaceous-Cenozoic intermontane basin located between the Andean arc of the Western Cordillera and the Paleozoic fold belt of the Eastern Cordillera. Reconnaissance geological mapping shows that epithermal mineralisation in the NE Altiplano is related to silicic magmatism located on NW-trending Altiplano growth faults and intersections with NE and E-W lineaments. Magmatism was episodic and occurred during the Miocene arc broadening episode, which correlates with increased plate convergence rates. Most mag

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29

Banks, D. A. "On the origin of the Tynagh lead + zinc + copper deposit, Ireland." Thesis, University of Strathclyde, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382386.

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30

RoÌˆckl, Ludwig Otto. "The geology and genesis of a gold-rich, copper porphyry occurrence in the eastern Pontids, NE-Turkey." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246233.

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31

Lezot, Frédéric. "Interrelations des voies de regulation genetique et hormonale au cours de la biomineralisation dentaire, homeogenes msx et dlx et vitamine d." Paris 7, 2000. http://www.theses.fr/2000PA07GA02.

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32

Naden, Jonathan. "Gold mineralisation in the Caledonides of the British Isles with special reference to the Dolgellau gold belt, North Wales and the Southern Uplands, Scotland." Thesis, Aston University, 1988. http://publications.aston.ac.uk/14384/.

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Two aspects of gold mineralisation in the Caledonides of the British Isles have been investigated: gold-telluride mineralisation at Clogau Mine, North Wales; and placer gold mineralisation in the Southern Uplands, Scotland. The primary ore assemblage at Clogau Mine is pyrite, arsenopyrite, cobaltite, pyrrhotine, chalcopyrite, galena, tellurbismuth, tetradymite, altaite, hessite, native gold, wehrlite, hedleyite, native bismuth, bismuthunite and various sulphosalts. The generalised paragenesis is early Fe, Co, Cu, As and S species, and later minerals of Pb, Bi, Ag, Au, Te, Sb. Electron probe mi

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33

Goma-Tchimbakala, Joseph. "Dynamique de la matière organique et de l'azote en plantation de limba (terminale superba engler et diels) au Congo : comparaison avec une forêt naturelle." Paris 6, 2003. http://www.theses.fr/2003PA066437.

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34

Anderson, Duncan. "The relationship between magmatism and borate mineralisation in Western Turkey." Thesis, University of Leicester, 1997. http://hdl.handle.net/2381/30428.

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A limited number of lacustrine basins in western Turkey contain world class borate reserves, with mineralisation present as strata bound deposits in Neogene volcano-sedimentary successions. This study examined in detail the relationship between magmatism and borate mineralisation in two of these basins (Ernet and Kirka). The magmatism comprised an Early Miocene K-rich acid phase, represented by granite, ignimbrite, rhyolite and dacite, and a more mafic K-rich, Middle - Late Miocene phase, represented by shoshonite and latite. Information from field observations, mineralogy, isotopic dates, imm

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35

Watkins, Naomi K. "The influence of crops on gross rates of nitrogen mineralisation." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333588.

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36

Walters, Martin. "The structural controls to mineralisation at Wheal Jane Mine, Cornwall." Thesis, University of Exeter, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358215.

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37

Hentrich, Doreen [Verfasser], and Andreas [Akademischer Betreuer] Taubert. "Grenzflächen-kontrollierte Mineralisation von Calciumphosphat / Doreen Hentrich ; Betreuer: Andreas Taubert." Potsdam : Universität Potsdam, 2017. http://d-nb.info/1218402466/34.

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38

Sim, Vivienne Jie Wei. "Physico-chemical changes and kinetics for mineralisation of EFB composting." Thesis, Curtin University, 2015. http://hdl.handle.net/20.500.11937/1771.

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Composting is a biochemical process, highly dependent on temperature and aeration rate. This research aims at studying the mineral dynamics, developing an empirical model and optimising the composting of EFB. Mineralisation of nitrogen, phosphorus, potassium and calcium were found to be affected by both variables. Optimisation of the process shows the highest yield of nitrogen (1.86%) can be obtained at a temperature of 41.5°C and aeration rate of 0.37L/min.kg, over composting period of 42 days.

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39

Prout, Sarah Jane. "Petrology, geochemistry and mineralisation of the Ben Buie intrusion, Isle of Mull, and a brief survey of mineralisation in the Peridotite series, Cuillin Complex, Skye." Thesis, University of Exeter, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403209.

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40

Pinto, Henrique Senna Diniz. "Pyrochlore der Pegmatit-Provinz Nazareno, Brasilien Modellvorstellungen zu Mineralisation - Alteration - Kristallchemie /." [S.l. : s.n.], 2000. http://ArchiMeD.uni-mainz.de/pub/2000/0034/diss.pdf.

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41

Jali, Dulima Binti. "Nitrogen mineralisation, litter production and cellulose decomposition in tropical peat swamps." Thesis, Royal Holloway, University of London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269744.

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42

Wang, Xiaolong. "Carbon dioxide capture and storage by mineralisation using recyclable ammonium salts." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/12982/.

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Carbon dioxide capture and storage by mineralisation (CCSM) is considered to be an alternative solution for reducing anthropogenic C0₂in some regions, where geological storage is not possible or considered uneconomically viable. However, low efficiency of mineral dissolution and use of unrecyclable additives are two key barriers for the development of CCSM. A novel CCSM process with recyclable ammonium salts is proposed to overcome these barriers in this study. This process integrates mineral carbonation with C0₂capture by employing NH₃, NH₄HSO₄and C0₂containing ammonium salts in the capture s

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43

Wong, Alfred T. C. "Precipitation behaviour of calcium phosphate : a model for hard tissue mineralisation." Thesis, University of Oxford, 1993. http://ora.ox.ac.uk/objects/uuid:1d2e879d-0972-40ee-a931-664f5f043667.

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Various aspects of the precipitation behaviour of calcium phosphate in aqueous media have been investigated using seeded growth in conjuction with constant-volume and constant-composition techniques under different physical and chemical conditions. In each case, precipitation was allowed to proceed for up to seven days. The solid precipitates thus obtained were characterised by means of scanning electron microscopy, powder X-ray diffractometry and wavelength dispersive spectroscopy. During these precipitation experiments, the formation of the thermodynamically most stable and most supersaturat

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44

Poliquin, Morgan James. "Geology, geochemistry and age of intrusion-related mineralisation in eastern Mexico." Thesis, University of Exeter, 2009. http://hdl.handle.net/10036/108354.

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Examination of igneous intrusions and related mineral deposits in eastern Mexico (including the determination of 26 new zircon U-Pb ages, 6 new mineral Ar-Ar ages and 26 new sulphide and feldspar Pb isotope and 61 new whole-rock geochemical data) revealed a spectrum of Eocene to Pleistocene mineral deposits and important aspects of the metallogenic history of Mexico. The synthesis of these data with recent tectonic reconstructions suggest the character of igneous rocks and mineral deposits was controlled by two periods of ocean ridge subduction and contemporaneous slab steepening and flattenin

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45

LeBoutillier, Nicholas Gerald. "The tectonics of variscan magmatism and mineralisation in South West England." Thesis, University of Exeter, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275904.

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46

Murphy, Pamela Jane. "Fluid evolution related to gold mineralisation in the central Iberian zone." Thesis, University of Southampton, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241225.

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47

Roberts, Scott John. "The characterisation of mammalian PHOSPHO1 : an enzyme involved in bone mineralisation?" Thesis, University of Edinburgh, 2007. http://hdl.handle.net/1842/11898.

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Skeletal mineralisation is dependent on the generation of inorganic phosphate (Pi), which has traditionally been attributed to tissue non-specific alkaline phosphatase (TNAP). However, evidence exists to suggest the presence of other Pi generating phosphatases in bone. The most compelling being that initial bone mineralisation events in newborn TNAP knockout mice appear to be normal, although abnormalities of the skeleton and dentition appear later. PHOSPHO1 is a phosphatase, which belongs to the haloacid dehalogenase (HAD) superfamily of magnesium-dependent hydrolyases. The work of this thesi

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48

Ghee, Claire. "Mechanistic controls on the mineralisation and stabilisation of soil organic carbon." Thesis, University of Aberdeen, 2015. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=227956.

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49

Tabeart, Charles Frazer. "Structural and geochemical setting of gold mineralisation at Renco Mine, Zimbabwe." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47679.

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50

Steven, Nicholas Macrae. "Tungsten mineralisation at the Otjua prospect : a geological and geochemical investigation." Thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/22600.

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