Дисертації з теми "Aeromagnetic interpretations"
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Ukaigwe, Nnaemeka Francis. "Interpretation of aeromagnetic data of the Olary province, South Australia and the development of interpretation methods /." Title page, contents and summary only, 1985. http://web4.library.adelaide.edu.au/theses/09PH/09phu34.pdf.
Повний текст джерелаGarrett, S. W. "Interpretation of regional gravity and aeromagnetic surveys of the Antarctic Peninsula." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373905.
Повний текст джерелаKennedy, Roger J. "A 3-D gravity and aeromagnetic interpretation of the Black Hill - Cambrai region /." Title page, contents and abstract only, 1989. http://web4.library.adelaide.edu.au/theses/09SB/09sbk36.pdf.
Повний текст джерелаStröm, Tobias. "A geophysical study of the Mertainen area : Modelling and interpretation of primarily aeromagnetic data." Thesis, Luleå tekniska universitet, Geovetenskap och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-63850.
Повний текст джерелаNautanen Deformation Zone, är en framträdande deformationszon i Malmfälten området, vilken är av betydelse att förstå för mineral prospekterings ändåmål. Trotts att det finns ett stort utbud av geofysiska data i Malmfälten och att det finns en god korrelation mellan de flyggeofysiska mätningarna och geologiska observationer, så har området inte undersökts fullständigt med den tillgängliga datan. En geologisk struktur i koppling till apatit järn malms fyndigheten Mertainen has studerats. Bland metoder ingår studie av geologiska kartor, studie av de analytiska signlar hos magnetiska och gravimetriska data, data processering, potential fält- och 3D modellering samt tolkningen av ovannämnda modeller. Baserat på den observerade samt modellerade datan har en veck strucktur upptäckts i koppling till Mertainen, och flertalet mineraliseringar tros vara strukturellt relaterade till detta veck. Dessutom har en potentiell mineralisering strukturellt relaterad till vecket upptäckts, dock är det väldigt troligt att den inte är ekonomiskt brytbar.
Miles, Warner Frederick. "An interpretation of high resolution aeromagnetic data over the Manitouwadge greenstone belt, Ontario, Canada." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/MQ36726.pdf.
Повний текст джерелаTaib, Samsudin Hj. "Interpretation of the aeromagnetic anomalies of mainland Scotland using pseudogravimetric transformation and other methods." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/6076/.
Повний текст джерелаHaidarian, Mohammad Reza. "Aeromagnetic interpretation of a section of the Willyama Inliers in the Curnamona Craton, South Australia /." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phh149.pdf.
Повний текст джерелаWhiting, Thomas H. "A study of the lithology and structure of the eastern Arunta Inlier based on aeromagnetic interpretation : a lithological subdivision and structural history of the eastern Arunta Inlier, with particular emphasis on the relationship between magnetic mineral petrogenesis, rock magnetism and aeromagnetic signature /." Title page, contents and abstract only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phw6125.pdf.
Повний текст джерелаLeonard, Mark. "Interpretation of an aeromagnetic survey over a shallow sedimentary basin with particular emphasis on spectral analysis /." Title page, contents and abstract only, 1986. http://web4.library.adelaide.edu.au/theses/09SB/09sbl581.pdf.
Повний текст джерелаSamson, Esuene M. A. "A critical evaluation of the "Tilt-Depth" method of magnetic data interpretation : application to aeromagnetic data from North Eastern (NE) Nigeria." Thesis, University of Leeds, 2012. http://etheses.whiterose.ac.uk/4925/.
Повний текст джерелаPotie, Gilbert. "Contribution à l'étude géologique de la frontière SE de la plaque caraibe : la serrania del interior oriental sur le transect Cumana-Urica et le bassin de Maturin (Vénézuela) : application de données géophysiques et géologiques à une interpretation structurale." Brest, 1989. http://www.theses.fr/1989BRES2005.
Повний текст джерелаRajagopalan, Shanti. "Aeromagnetic interpretation of the Kanmantoo Group, South Australia / Shanti Rajagopalan." 1989. http://hdl.handle.net/2440/19036.
Повний текст джерелаBibliography: leaves 115-128.
xi, 128 leaves : ill., maps (some col.), 1 folded ; 30 cm. + 2 microfiche, 5 maps (folded), appendix and errata in pocket inside back cover.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Thesis (Ph.D.)--Dept. of Geology and Geophysics, University of Adelaide, 1989
Rajagopalan, Shanti. "Aeromagnetic interpretation of the Kanmantoo Group, South Australia / Shanti Rajagopalan." Thesis, 1989. http://hdl.handle.net/2440/19036.
Повний текст джерелаxi, 128 leaves : ill., maps (some col.), 1 folded ; 30 cm. + 2 microfiche, 5 maps (folded), appendix and errata in pocket inside back cover.
Thesis (Ph.D.)--University of Adelaide, Dept. of Geology and Geophysics, 1989
Foote, Robert W. "Curie-point isotherm mapping and interpretation from aeromagnetic measurements in the northern Oregon Cascades." Thesis, 1985. http://hdl.handle.net/1957/29323.
Повний текст джерелаGraduation date: 1986
Seabrook, Randall Bentley Shawn. "Determination of subsurface structure through interpretation of aeromagnetic and gravity data : the Benue trough, Nigeria." 1989. http://hdl.handle.net/1993/17097.
Повний текст джерелаHaidarian, Mohammad Reza. "Aeromagnetic interpretation of a section of the Willyama Inliers in the Curnamona Craton, South Australia / Mohammad Reza Haidarian." Thesis, 1996. http://hdl.handle.net/2440/19064.
Повний текст джерелаBibliography: leaves 147-168.
xiv, 184, [14] leaves, [35] leaves of plates : ill. (chiefly col.), maps ; 30 cm.
Thesis (Ph.D.)--University of Adelaide, Dept. of Geology and Geophysics, 1998
Corner, Branko. "An interpretation of the aeromagnetic data covering portion of the damara orogenic belt, with special reference to the occurrence of uraniferous granite." Thesis, 2015. http://hdl.handle.net/10539/16967.
Повний текст джерелаDavis, Brittany Allison. "Tectonic evolution of the southern Appalachian Inner Piedmont identification and interpretation of crustal features from aeromagnetic data and detailed geologic mapping in central Georgia /." 2010. http://trace.tennessee.edu/utk_gradthes/617.
Повний текст джерелаWhitehead, Robert. "Interpretation of aeromagnetic data from the Kuruman Military Area, Northern Cape, South Africa - through the use of structural index independent methods: a description of three depth and structural index inversion techniques for application to potential field data." Thesis, 2016. http://hdl.handle.net/10539/19305.
Повний текст джерелаThree new methods for determining the structural index and source distance for magnetic field data are presented. These methods require only the calculation of the first and second order analytic signal amplitudes of the total field and are applicable to both profile and gridded data. The three methods are first tested on synthetic data and then on two real datasets to test for applicability and repeatability. It was found that each method had different strengths and weaknesses and thus one method cannot be favoured over the others. Cooper (2014) describes how to calculate the distance to source over both profile and gridded data given a user defined structural index. Often however, particularly in the case of real data, the structural index is not known or varies over the surveyed area. These three new methods however do not require any user input since the structural index is calculated thus making them more applicable to regions of unknown geology. It was found that the first of the three new methods, the multi-distance inversion method, was best used as an edge-detection filter, since the use of higher order derivatives resulted in increased noise levels in the distance to source calculation. The third of these new methods, the unconstrained inversion method, discussed in Chapter 7, not only solves for the structural index but also determines the depth of the source. In that particular case, the structural index is used as a rejection filter, whereby, depth solutions associated with structural index values outside of the expected range are deemed to be invalid. Unlike the third new method, the first two methods require the distance to source to be calculated via the approach described by Cooper (2014) (which requires the user to define the structural index), the results of which are later rescaled by the calculated structural index to yield what is termed a rescaled distance to source. All three of the new methods are fully automatic and require no user control. The techniques were first tested on both profile and gridded theoretical data over sources with known structural index values. All of the methods were able to estimate the structural index of each of the particular sources and give depth estimates that varied from the true depth by less than 20 percent (with deeper sources being more inaccurate). Noise was also added to the theoretical data in an attempt to assess how the methods can be expected to perform with real data. It was found that when applied to noisy data, these methods performed equally well to slightly worse, than when the method developed by Cooper (2014) was used. As a real world case study these three new methods were tested on aeromagnetic data collected over the Kuruman Military Area, Northern Cape, South Africa. Regional deformations as well as later intrusive dykes and cross cutting faults were imaged by the chosen depth determination procedures. The dolerite dykes in the area were found to occur between 20 to 60 m deep. While the sand cover was estimated to be between 30 to 40 m thick. Overall, the techniques yield distance to source estimates that differ by less than 15 m, over sources, to the results obtained by using the source distance method (Cooper, 2014). To test for repeatability a second aeromagnetic dataset, collected over a dyke swarm within the Bushveld Complex, South Africa was considered. Again comparable (less than 15 m over sources) depth estimates were made between the unconstrained and constrained inversions. Since the distance to source estimates produced by these new unconstrained inversion methods are comparable to those produced by constrained inversion (Cooper, 2014) the project can be deemed successful.