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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
411

The sedimentology of the Ashdown formation and the Wadhurst Clay formation, southeast England

Akinlotan, Oladapo Odunayo January 2015 (has links)
Detailed sedimentological studies, using coastal and inland exposures, were carried out at formation and bed levels on the Ashdown and Wadhurst Clay formations (Late Berriasian-Valanginian) in the Weald, southeast England. Field descriptions of outcrops were conducted at seven sites and supplemented by borehole and 2D seismic data. Field samples were studied in detail using hand specimen analysis. The sandstones were described in hand specimen and via optical microscopy. Clay mineral and geochemical analyses on mudstones, shales, and ironstones were conducted using XRD, XRF, and SGR methods while SEM analyses were conducted on selected sandstones and ironstones. Porosity and permeability of selected sandstones were measured using pycnometry and gas permeametry respectively. The dominance of quartz arenites and kaolinite and the presence of thorium and Zr in the sediments suggest that they were sourced mainly from granitic and/or gneissic rocks. Materials from metamorphic sources appear to be secondary in abundance. The mineralogical and textural maturity of the sediments coupled with relatively short travel distance (~300km) suggests reworking from secondary or matured sources. The two formations received sediments from at least two sources. The clay mineral assemblage, sandstone composition, and gamma-ray data confirm that the main source of the sediments is the London Massif in the north and north east while sediments were also sourced from Armorica in the south based on the presence of detrital zircon. The palaeoclimatic conditions at the source area as revealed by the dominance of quartz arenites and kaolinite and the presence of thorium were warm and humid which led to intensive weathering. The mineralogy and geochemistry of the sediments suggest that they may have been directly or indirectly sourced from a stable craton. The lithology (sandstones, siltstones, mudstones, shales and ironstones); facies (channel and floodplain/overbank); sedimentary structures (channels, cross stratification, flaser bedding, ripples and planar laminations); sedimentary architecture (repeated cycles and vertically stacked multi-storey successions), and gamma ray data (more radioactive sandstone facies) confirm that the sediments within the two formations were deposited in predominantly fresh water environments although tidal and lagoonal conditions were clearly evident in the Ashdown Formation and Wadhurst Clay Formation respectively. The lithology and sedimentary facies show that deposition occurred in both braided and meandering river systems although meandering facies are more prominent in the lower Ashdown Formation. The presence of abundant load and slump structures and fresh green glauconite in the sandstones provide evidence that deposition was rapid while the water depth was shallow and not beyond 2 metres based on the widespread occurrence of colour mottling and frequent exposure of the sediments to the air. Early diagenesis was confirmed by the precipitation of sideritic ironstones while diagenetic alteration is minimal based on the clay mineral assemblage. Evidence from the shallow burial nature of sideritic ironstone, the proportion of illite-smectite and the nature of diagenesis confirm that the sediments have experienced shallow burial not beyond 2km. Enrichments in redox sensitive trace elements such as Mo, U, V and Co suggest anoxic conditions in the sediments. The highest levels of anoxia were in the lower sections of the formations. Palaeosalinity as indicated by sideritic ironstone indicates a pH between 6 and 10. Porosity ranges from 6.8% to 13. 2% with an average of 9.9% while permeability ranges from 0.4mD to 11.9mD with an average of 3.1mD. The main controls on porosity and permeability are grain sizes, grain shapes, and sorting and the porosity is mainly primary. The main control on sedimentation is the local tectonics at the source areas while palaeoclimatic conditions, sea level, river dynamics, and subsidence are secondary. The proximal part of the modern Niger Delta is proposed as an analogue for the palaeoenvironments of the Ashdown and Wadhurst Clay formations. More generally, the results presented in this thesis highlight the usefulness of integrating field, petrographic, mineralogical, and geochemical data, and the use of modern analogue to fully assess the depositional environments, stratigraphic variability, post depositional changes and controls on deposition within sedimentary basins.
412

Evaporite-bearing sequences in the Zechstein and Salina Basins, with a discussion on the origin of their cyclic features

Szatmari, Peter January 1972 (has links)
Factors controlling cyclic sedimentation are discussed in a parallel study of two evaporite-bearing sequence, the Zechstein of Germany and the Silurian Salina Group of the Appalachian Basin. The Zechstein sequence was deposited in a basin that had received the debris swept in from the Variscan orogenic zone. The deposition of the evaporite-bearing sequence took place during a period of tectonic calm, preceded and succeeded by mild late Variscan movements. The sequence is divided into four major cycles by shale horizons accompanied and basinwards partially replaced by dolomites and anhydrites. Halite is the dominant sediment, it contains beds of anhydrite and potash salts, less commonly of shale, forming with the halite sedimentary cycles of diverse magnitudes. The Salina Group has been deposited in a basin that had previously received debris from the Taconic orogenic zone. The last orogenic movements had virtually ceased before the deposition of evaporites commenced. The evaporite-bearing sequence is divided into three major cycles by shale suites related to alluvial, fans of debris swept in from the previous orogenic zone. The shale beds are accompanied by dolomite beds containing stromatolitic horizons. The salt contains shale and dolomite beds of diverse thicknesses, giving rise to cycles of varied magnitudes. With increasing distance from the orogenic zone, the thinner shale interbeds in the salt grade into anhydrite. In contrast to the Zechstein sequence, in the Salina Group thicker anhydrite beds are rare and no potash zones have been found. The anhydrite deficiency is attributed by the author to bacterial reduction of the CaSO₄. The H₂S thus formed is in part retained in the sediments, in part it deposited FeS₂ or re-oxidized. The lack of potassium salts indicates a less inhibited communication with the open sea, as also witnessed by repeated incursions of marine fauna. In both sequences, most sedimentary cycles are controlled by the periodic entrance of diluted waters into the basin. Rain water enters directly as well as in the form of terrestrial run-off from the adjacent mountains, introducing mud and foreign ions, diluting and changing the ion ratios of the brines. Sea water enters the basin continuously or periodically, the concentration increases caused by the concomitant inflow of dissolved salts are mitigated by the reflux of more concentrated brines. Abrupt dilution of the brines by sea water followed by slow evaporation produces cycles of progressive solubility in the sediments resembling experimental successions. The periodic entrance of rain and sea water can be controlled by several factors. Increases in rainfall, particularly in the detritus source area, may reflect morphologically or astronomically induced climatic changes; the morphologic factors may in turn be controlled by tectonism, erosion and sediment accumulation. The ingress of sea water can be caused by intermittent subsidence in the bar area, or by a rise of sea level induced tectonically, glacio-eustatically, or simply by a change in wind direction. A few models involving parallel control of terrestrial and marine inflow are presented at the end.
413

The characterisation of calcrete based on its environmental settings within selected regions of the Kalahari, Southern Africa

Shaw, Alexander Iain January 2009 (has links)
Chemical sediments in a variety of geomorphic environments (pedogenic, fluvial, palustrine, lacustrine and pan) were investigated from seven regions (SW Kalahari, Kgalagadi, Kalkweissrand, Etosha, Linyanti, Okavango and Ngami) in the Kalahari of southern Africa. These primary and multi-phase sediments were characterised by a range of pure and intergrade silcrete, calcrete and dolocrete fabrics which contained an array of structures indicative of the crystalline and biogenic processes responsible for their precipitation, epigenesis and paragenesis. Petrography, mineralogy and isotope geochemistry provided significant insight regarding the environmental and geochemical conditions at the time of precipitation. Petrography indicated that the majority of chemical sediments were undergoing epigenetic modification as a consequence of the desiccation induced transition from phreatic to vadose diagenetic and geochemical conditions. The role of rapidly infiltrating meteoric water, associated with unstable wetting fronts, is believed to be instrumental in vadose diagenesis and the precipitation of crystalline/alpha fabric carbonate. Salinisation within the capillary fringe and deeper vadose zone is believed to be responsible for the sequence dolomitisation of crystalline calcite within mature sequences. Highly saline pan conditions instigate the precipitation of authigenic dolomite, calcite and K-feldspar within the surface sediments and authigenic silica at depth. Phreatic water beneath the islands, floodplains and fluvial systems of the Okavango, which undergoes evapotranspirational and transmission salinisation and ultimately terminal desiccation, are similarly precipitating silcrete. Pedogenic processes principally associated with C<sub>4</sub> vegetation are responsible for the gratification of carbonate mud within desiccating lacustrine, palustrine and pan sediments. Within the thin sandy Kalahari soils, pedogenesis is limited, but biogenic/beta fabric precipitation linked to mycorrihizae and tree/shrub savanna vegetation is instrumental in the formation of hardpans and the modification of upper calcrete horizons. The dominance of a distinct assemblage (smectite/kaolinite or sepiolite/palygorskite) of authigenic clay minerals present within all the environments provides evidence of semi-arid precipitation within Mg and Ca enriched saline/rapidly evaporating water or brackish/reduced permeability environments.
414

Coarse-grained rocks of Ascension Island

Harris, Christopher January 1982 (has links)
The lavas and pyroclastics of Ascension Island contain a suite of coarse grained igneous blocks which range in composition from olivine-gabbro to peralkaline-granite paralleling, but extending beyond the compositional range of the volcanics. The lavas range from alkali-basalt through hawaiite, trachybasalt, trachyandesite and trachyte to comendite. True basalt is relatively rare and there is a scarcity of analyses with 57 < Si02 < 63 wt %. No high pressure mineral assemblages and hence no possible mantle fragments have been found. Petrographic and isotopic data suggest that a suite of gabbros from Dark Slope Crater crystallised from a magma derived from a MORB-like source. The remaining blocks and all the lavas evolved from magmas derived from a less depleted source. The chemical variation seen in the lavas and blocks is best explained by crystal fractionation mechanisms in a relatively shallow magma chamber. The gabbroic blocks exhibit cumulus textures suggesting that they formed by accumulation of settling crystals. The intermediate to acid blocks compare much more closely in composition with the evolved lavas and are probably their slowly cooled equivalents. There is petrographic evidence that partial melting of intermediate coarse grained material gave rise to melts of granitic composition but these are not chemically equivalent to the acid lavas and blocks. A pegmatoid body crystallised in situ and closed system crystal fractionation alone resulted in a very similar sequence of mineral assemblages to the blocks and lavas and a peralkaline final liquid. High 87 S4/ 86 Sr ratios in the evolved lavas and blocks are attributable to contamination by a small quantity of highly radiogenic oceanic sediment. Comparison with other oceanic volcanoes suggests that these differentiation processes are much less important in determining the evolutionary path of the magma than its apparent starting composition.
415

Early prehistoric petrology : a case study from Leicestershire

Parker, Matthew John January 2013 (has links)
This research focused on the petrographic analysis of prehistoric ceramics within the East Midlands. Prior assessments have been intermittent and not drawn together by a research-based agenda, with a few notable exceptions. This research uses petrographic analysis to shed light on early prehistoric society within Leicestershire, a county overlooked in comparison to other regions. The aim of this research was to investigate the procurement of raw materials and the subsequent production of Neolithic and early Bronze Age ceramics in Leicestershire, placing the county in its regional context. Petrographic slides from several early prehistoric sites were produced and analysed to determine the presence of any non-local material within the fabric of the ceramics. Existing petrographic data from other sites in the East Midlands were used as a comparative data set to test whether the ceramics from Leicestershire were typical or atypical of the wider production and procurement pattern. The results of the petrographic analysis on the Leicestershire sites indicated that the clay and inclusions were most likely of local origin, with no definitive evidence for non-local inclusions. However, the results from the comparative petrographic data obtained from sites within the wider East Midlands does support the movement of raw materials and/or finished ceramic products within the region. Preferential sources appear to have been continually exploited, both chronologically and geographically. The prime target of the exploitation was the Charnwood Forest area of Leicestershire, with groups from Derbyshire and Nottinghamshire utilising this resource in addition to more local groups within Leicestershire.
416

Landscape response to late Quaternary climatic change on the Southern High Plains, USA

Rich, Julie January 2003 (has links)
Long-term palaeo-climatic conditions have primarily been interpreted from ocean marine sediments and ice cores. Few middle and low latitude continental records exist that provide insight into continental response to climate change over time. This research offers new chronologies on a variety of low latitude continental deposits from the Southern High Plains, and demonstrates their importance as palaeo-environmental archives. These chronologies extend the existing Southern High Plains palaeo-environmental record from the historic period to the late-middle Pleistocene, and provide an important basis from which to examine landscape response to late Quaternary climate change. This study demonstrates the applicability of optical dating procedures to well-bleached sedimentary features, such as lunettes, lacustrine material, tufa, and coversands. The precision and accuracy of the technique permits the detection of historic depositional events, whilst the range of the dating technique extended the chronology to the middle-late Pleistocene. The physical isolation of the Southern High Plains from its surrounding areas for the last 1.6 Ma has preserved a record of past climatic fluctuations within the aeolian and fluvio-lacustrine sediments. This research has demonstrated that the Southern High Plains landscape is sensitive to periods of less effective moisture, causing reactivation during historic drought periods (e.g. 1930s "Dust Bowl" event). Coversands and small playa lunettes were active during glacial and interglacials. This suggests that these features are sensitive to smaller scale climatic fluctuations that result in reduced effective moisture for the region during both glacial and interglacial periods. Large lake lunettes were inactive during the Wisconsin glacial. During this same period, active lacustrine and tufa deposition occurred; this offers evidence of greater effective moisture for the Southern High Plains, which resulted in regional recharge. The record of climate change preserved in the lunettes, lacustrine material, tufa, and coversands has provided insight into the response of this dynamic landscape to climatic fluctuations and has been employed for the reconstruction of the palaeo- environmental history of the Southern High Plains. An understanding of landscape response is important in light of the future of the Southern High Plains environment as global temperatures increase, and is critical to a complete evaluation of continental response to climatic change.
417

A field, petrological and geochemical study of the Masirah Ophiolite, Oman

Abbotts, Ian Lloyd January 1979 (has links)
A reconnaissance survey of the 1000 Km\(^2\) of Masirah Island, Oman, has revealed a fully-developed ophiolite complex which is believed to represent a fragment of Cretaceous ocean crust and upper mantle generated at a constructive plate margin. The complex consists of mantle serpentinites, plutonic rocks ranging from dunite to trondhjemite, a sheeted dyke complex and pillow lava-sediment sequences, all of which have been chemically and petrographically analysed. Several belts of serpentinite occur within the ophiolite associated with major fault-lines. The serpentinites are clearly derived from depleted harzburgitic mantle and their field relations suggest that some were emplaced in the oceanic environment. The chemistry of the plutonic rocks suggests that they are products of dominantly open-system fractional crystallisation of tholeiitic liquid(s), possibly in several discrete magma chambers. Modelling of trace and RE elements suggests that moderate degrees of mantle peridotite melting were involved in production of the magma chamber parental liquid(s). At a higher crustal level sheeted dyke-massive gabbro relationships are interpreted in a model of roof underplating, which causes a decreasing frequency of dyke injection. Metamorphism of the sheeted dykes and lavas is interpreted as sub-sea floor in origin and its effect on whole-rock chemistry is assessed. The dykes and lavas have a chemistry largely typical of present-day ocean tholeiites and the relative contributions of the processes of partial melting and fractional crystallisation to that chemistry are evaluated. Two localised volcanic groups were identified, which appear to have enriched chemistries compatible with origin at off -axis oceanic islands. A major tectonic zone cross-cuts the ophiolite units and has features reminiscent of the modern oceanic transform faults. The importance of this structure, both in the oceanic environment and during the process of ophiolite emplacement, is assessed. Intrusive into the ophiolite is a granite whose trace and RE element chemistry is alien to the oceanic environment and suggests melting of continental crust Finally, a synthesized model of the former constructive margin is produced and an attempt is made to define the type of spreading centre represented. Comparison of the Masirah Ophiolite with the Semail Ophiolite of the Oman Mountains suggests that their former correlation may be ill founded. An assessment of late Mesozoic -early Tertiary plate motions indicates an origin during Cretaceous sea-floor spreading of an early Indian Ocean. Several features may indicate a slow-spreading, much-faulted, constructive margin.
418

Crystal mobilisation in convecting magma chambers : an analogue experimental approach

Gilbert, Andrew January 2017 (has links)
Solidified igneous intrusions from originally liquid magma chambers display a large number of different sedimentary features. These features include the gravitational collapse of sidewalls producing slumps and the layering produced by gravitational settling of crystals. In the chamber fluid-dynamic processes such as convection are expected to occur due to cooling at the roof producing dense gravitationally unstable liquid, and the crystallisation of interstitial liquid changing the composition of the remaining liquid possibly reducing the density causing the liquid to rise up. The crystals which form in basaltic magma chambers have a high propensity to be mobilised due to convection and other fluid-dynamic processes including replenishment by a secondary intrusion. Convective mobilisation of plagioclase grains in vertical, tabular intrusions is seen from flat profiles of apparent aspect ratio as a function of dyke width. These flat profiles were formed due to scouring of gravitationally unstable sidewall mushes, and these crystals then become entrained in the convecting liquid. Convection only ceases once the volume of crystals in suspension reaches a critical volume fraction leading to an increase in viscosity, which dampens the vigour of convection. The majority of this study is performing and analysing a number of different experiments to look at the behaviour of different styles of analogue particle piles. Particle piles that are formed of inert, plastic particles are subjected to convection in the particle layer and in the bulk overlying fluid, and different styles of mobilisation depending on the heat flux driving convection and the density profile of the pile are observed. The mobilisation style goes from rolling of particles on the surface, to puffs of particles from the surface being lofted into the interior, followed by large particle fountains and then the entire particle pile being completely disaggregated and lofted into the interior of the chamber as the force driving convection is increased. The initiation of mobilisation can be explained by the fluidisation of a particle pile, whilst the high degrees of mobilisation seen in some high Rayleigh number regimes can be explaining by resuspending particles. In experiments where particle piles have a positive density profile (dense particles overlying low density particles) the underlying low density particles can break through the overlying layer in particle fountains and can be explained by a modified fluidisation parameter. These experiments lack the reactivity and cohesion that realistic crystal piles would have. To try and quantify this, I have also performed a series of experiments looking at the rheology of an ice-sucrose suspension, where ice crystals can sinter and aggregate together. Under sheared conditions the forces required to disaggregate ice aggregates can be calculated, with the viscosity of an ice-sucrose suspension being described by a power-law relationship of shear rate and crystal radius. The particle pile experiments show that mobilisation of equivalent crystal piles in magma chambers should be readily observed. As it is not observed, except in replenished magmatic systems, this suggests that the additional forces coming from cohesion and aggregation in crystal piles prevent mobilisation of magmatic crystals. The replenishment by secondary intrusions can lead to forces which overcome the strength of the pile.
419

4-dimensional studies of fluid-rock interaction

Macente, Alice January 2017 (has links)
Successful management of hydrocarbon reservoirs, geothermal energy extraction sites, radioactive waste and CO2 storage sites depends on a detailed knowledge of fluid transport properties, porosity and permeability. Amongst deformation processes, fluid-rock interaction plays an important role in controlling the petrophysical properties of a rock. The presence of fluids in the rocks induce chemical and physical changes in compositions and texture, affecting porosity and permeability, hence influencing dynamic transport properties and fluid flow. Fluid-rock interaction processes have been deeply investigated in nature and in numerous experimental and numerical modelling studies. However, these studies lack a spatio-temporal characterization of the dynamic evolution of porosity and reaction microfabrics. There is no clear understanding of the spatio-temporal evolution of these properties in three dimensions, and how this evolution affects fluid percolation in the rock. Computed X-ray micro-Tomography (μCT) was applied to investigate these processes in three dimensions and observe their evolution in time (4DμCT). The combination of μCT with 2D analytical techniques (e.g. scanning electron microscope, SEM, electron microcrobe, EMPA, electron backscatter diffraction, EBSD) furthermore enables the extrapolation of the information gained from 2D analyses to the 3rd an 4th dimension (4D μCT). The thesis investigates two different categories of fluid-rock interaction processes, by using 4DμCT to monitor the evolution of mineral reactions (in the first case) and porosity (second case) in relation to strain and time. In the first case study, natural rock samples were analysed. The samples show a compositional change along a strain gradient from olivinic metagabbros to omphacite-garnet bearing eclogites in a ductile shear zone. Synchroton-based x-ray microtomography (sμCT) was applied to document the 3D evolution of garnets along the strain gradient (which represent the 4th dimension). The 3D spatial arrangement of garnet microfabrics can help determine the deformation history and the extent of fluid-rock interaction active during deformation. Results from the sμCT show that in the low strain domain, garnets form a large and well interconnected cluster that develops throughout the entire sample and garnet coronas never completely encapsulate olivine grains. In the most highly deformed eclogites, the oblate shapes of garnets reflect a deformational origin of the microfabrics. EBSD analyses reveal that garnets do not show evidence for crystal plasticity, but rather they highlight evidence for minor fracturing, neo-nucleation and overgrowth, which points to a mechanical disintegration of the garnet coronas during strain localisation. In the second case study, pressure-solution processes were investigated using NaCl as rock-analogue, to monitor the evolution of porosity and pore connectivity in four dimensions, providing a time-resolved characterization of the processes. NaCl samples were uniaxially compacted and μCT scans were taken at regular interval times to characterize the evolution of grain morphologies, pore space and macro-connectivity of the samples. Different uniaxial loads, as well as different bulk sample compositions (phyllosilicates and/or glass beads) were used to investigate their effect on the process. Greater uniaxial loads, and the presence of phyllosilicates within the deforming NaCl columns were found to enhance pressure-solution processes. The pore space becomes highly disconnected in the presence of phyllosilicates, with important implications for fluid percolation and dynamic transport properties. Mean strain rates, calculated from volumetric Digital Image Correlation (3D-DIC) analyses, were found to be higher where phyllosilicates were located. The combination of μCT with volumetric DIC and SEM imaging proved to be an efficient analytical method for investigating the dynamic behaviour of porosity and permeability during ongoing pressure-solution processes. The results showed that fluid-rock interaction critically modifies the rocks at the pore/grain scale, with important consequences on dynamic fluid transport properties. The combination of μCT with classical 2D techniques provided a better understanding on the dynamic evolution of transport properties and fluid percolation during fluid-rock interaction processes, allowing the characterization in three dimensions of reaction microfabrics and porosity.
420

Όψεις του νεοελληνικού ανατολισμού κατά τον 19ο αιώνα : σχολιασμένη βιβλιογραφική καταγραφή

Κακαρούμπα, Αμαλία 05 July 2012 (has links)
Η μελέτη της νεοελληνικής λογοτεχνίας είναι οργανωμένη σε ικανοποιητικό βαθμό στο θέμα της σύστασης εμπεριστατωμένων βιβλιογραφικών έργων. Ωστόσο, δεν υπάρχει ειδική βιβλιογραφία που να καταγράφει έργα, πρωτότυπα ή μεταφρασμένα, τα οποία εντάσσονται στον «ελληνικό Ανατολισμό». Στόχος της παρούσας μελέτης, είναι να καταγραφούν, όσο το δυνατόν πιο συστηματικά, τα λογοτεχνικά έργα που συνδέονται με την Ανατολή και δημοσιεύονται στη διάρκεια του 19ου αιώνα. Στις σελίδες της παρούσας διπλωματικής μεταπτυχιακής εργασίας επιχειρείται μια πρώτη καταγραφή του ανατολικού στοιχείου στη νεοελληνική λογοτεχνία του 19ου αιώνα. Περιλαμβάνονται λογοτεχνικά κείμενα σε αυτοτελείς εκδόσεις, καθώς και σε περιοδικά της περιόδου. Συμπεριλαμβάνονται τα μεταφρασμένα κείμενα από την ευρωπαϊκή γραμματεία όπως και κείμενα που μεταφράστηκαν στα ελληνικά κατευθείαν από τις γραμματείες ανατολικών χωρών, όπως η Τουρκία, η Περσία, η Ινδία κ.ά. Σε εισαγωγικό κεφάλαιο παρουσιάζεται και σχολιάζεται η πορεία του ανατολικού στοιχείου στην ελληνική γραμματεία από τις απαρχές της επαφής του Ελληνισμού με πολιτισμούς της Ανατολής ως τα τέλη του 19ου αιώνα. Το κύριο μέρος της μελέτης ξεκινά με την καταγραφή ελληνικών λογοτεχνικών κειμένων με ανατολικά στοιχεία. Προτάσσονται οι αυτοτελείς εκδόσεις και ακολουθούν οι δημοσιεύσεις στα οικογενειακά φιλολογικά περιοδικά. Στη συνέχεια καταγράφονται οι μεταφράσεις λογοτεχνικών κειμένων από τις γραμματείες της Ανατολής, που αντλούν από τα πρωτότυπα έργα, ή από μεταφορές τους σε ευρωπαϊκές γραμματείες. Προτάσσονται και πάλι οι αυτοτελείς εκδόσεις και έπονται οι δημοσιεύσεις σε περιοδικά. Πρέπει να διευκρινιστεί πως σε ξεχωριστά υποκεφάλαια περιλαμβάνονται τα έργα που έχουν μεταφραστεί ήδη και τον 19ο αιώνα ανατυπώνονται, τα έργα που μεταφράζονται για πρώτη φορά τον συγκεκριμένο αιώνα, καθώς και τα έργα που έφτασαν στην ελληνική γραμματεία μέσω ευρωπαϊκών διάμεσων μεταφράσεων, αν και συχνά η γλώσσα διαμέσου η προτύπου δεν είναι γνωστή. Η καταγραφή λογοτεχνικών έργων ολοκληρώνεται με τα κείμενα ανατολικού περιεχομένου που προέρχονται από την ευρωπαϊκή γραμματεία και μεταφράζονται στα ελληνικά. Σε ξεχωριστό κεφάλαιο καταγράφονται οδοιπορικά κείμενα και ταξιδιωτικές εντυπώσεις, είτε αυτοτελείς, είτε δημοσιευμένες σε οικογενειακά φιλολογικά περιοδικά, από Έλληνες, Ευρωπαίους και άλλους περιηγητές, που επισκέφθηκαν διάφορες χώρες της Ανατολής ή έζησαν για χρόνια εκεί και θέλησαν να μοιραστούν τις εμπειρίες τους με το αναγνωστικό κοινό της εποχής. Ακολουθεί η ενότητα με τις «ευσύνοπτες μορφές» (παροιμίες, γνωμικά και τα αποφθέγματα) ανατολικής προέλευσης που εντοπίστηκαν στα περιοδικά. Η καταγραφή ολοκληρώνεται με ένα καταληκτικό κεφάλαιο, όπου παρουσιάζονται τα συμπεράσματα που προκύπτουν από την έρευνα. Σε όλες τις κατηγορίες το υλικό παρουσιάζεται χρονολογικά. Πρόσθετα στοιχεία που αφορούν κείμενα, συγγραφείς ή μεταφραστές, τα οποία συγκεντρώθηκαν από τη δευτερεύουσα βιβλιογραφία ή αντλήθηκαν από αυτοψία των κειμένων παρατίθενται σε σύντομο σχόλιο, κάτω από το βιβλιογραφικό λήμμα. / The study of modern Greek literature is organized satisfactorily in establishing detailed bibliographical works. However, there is no scientific bibliographical work to literature works, original or translated, which correspond to the "Greek Orientalism." The aim of this thesis is to record as consistently as possible, the literary works associated with the East and published during the 19th century. In the pages of this diplomatic thesis is attempted a first inventory of the eastern component in modern literature of the 19th century. It includes literary texts that are publicated separately or in literary magazines of the period. It also includes literary works from European literature as texts translated into Greek by the literature of eastern countries such as Turkey, Persia, India etc. In the introductory chapter is presented and commented the progress of the eastern elements in Greek literature from the beginnings of the contact between Greeks and civilizations of the East until the late 19th century. The main part of the thesis begins by recording Greek literary texts with oriental elements. Preceded in separate versions, followed by publications in literary magazines. Then follows the record of the translated literary texts from eastern literature, which derive from the original works, or transfer in European registries. Preceded again separate versions, followed by publications in journals. It should be noted that separate sections include projects that have already been translated and reprinted in the 19th century. The bibliography ends with literary texts with eastern content from European literature that are translated into Greek. In a separate chapter are recorded travel documents and travel impressions by Greeks, Europeans and other travelers who have visited various countries of East or had lived there for years and wanted to share their experiences with literature readers. In the same chapter is also a section with proverbs and aphorisms that have Eastern origin and were found in the literary magazines. The bibliography ends with a conclusive chapter, which presents the findings of this research. In all categories the material is presented chronologically. Additional information on texts, authors or translators is placed in the brief comment under the bibliographic entry.

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