Jinfu Chen
Masters thesis (2009)
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Published Version Terms of Use: All rights reserved. Download (6MB) |
Cite this document: | Chen, J. (2009). Joint inversion of the magnetic anomaly due to a kimberlite pipe and its analytic signal (Masters thesis, École Polytechnique de Montréal). Retrieved from https://publications.polymtl.ca/8424/ |
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Abstract
Diamonds and kimberlites -- Geophysical surveys for kimberlites -- Problem -- Main objectives -- Methodology -- Major concepts -- The progress of magnetic method and the historical development concerned of magnetic method survey for kimberlites -- Derivatives of the magnetic field -- Formulas of derivatives of the magnetic field -- Finite difference derivatives -- Comparison of the responses from two methods -- Inversion of the magnetic field -- Introduction of the magnetic field inversion -- The solutions -- Levenberg-marquardt method -- The convergence -- Tests for the magnetic inversion -- Inversion of the analytic signal -- Introduction of the analytic signal -- Forward modeling -- Method of inversion -- Tests -- Joint inversion of the magnetic field and its analytic signal -- Introduction of joint inversion -- The model of the joint inversion -- Forward modeling -- Fromulation of the joint inversion -- Normalization -- Weighting of the two sets of the data -- The convergence -- The technique of the joint inversion -- Application to the real data -- Conclusion and discussion.
Uncontrolled Keywords
Anomalies magnétiques -- Modèles mathématiques; Prospection magnétique; Kimberlite
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Additional Information: | Le fichier PDF de ce document a été produit par Bibliothèque et Archives Canada selon les termes du programme Thèses Canada https://canada.on.worldcat.org/oclc/676689575 |
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Department: | Département des génies civil, géologique et des mines |
Date Deposited: | 04 Aug 2021 11:04 |
Last Modified: | 25 Aug 2021 14:59 |
PolyPublie URL: | https://publications.polymtl.ca/8424/ |
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