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Analysis of Phosphate Deposit “Disturbances” using the HorizontalGradient Responses of Resistivity Data Oulad Abdoun Morocco Figure 2 Main phosphate basins in Morocco GEOLOGY The phosphate mineral was deposited over a long time window from Maestrichtian late Cretaceous about 80 ma to Lutetian early Eocene 40 ma... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.
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We use traditional analytic analysis by horizontalgradient to circumscribe the extension indepth of the effects of the random disturbances or any other resistivity anomalies that may be present OVERVIEW OF THE AREA OF STUDY The Sidi Chennane phosphate deposit is within the Oulad Abdoun basin about 33 km southeast of Khouribga Its boundaries are West meridian 372500 Lambert South
Dec 01 2005 · However the new deposit contains many inclusions and lenses of extremely tough hardpan locally known as derangements or disturbances found throughout the phosphatebearing sequence The hardpan pockets are normally detected only at the time of drilling
Analysis of phosphate deposit disturbances using the horizontalgradient responses of resistivity data Oulad Abdoun Morocco Article PDF Available in Earth Sciences Research Journal 92
Moreover the disturbances extended over the phosphate deposit of Sidi Chennane with densities more or less important The statistical analysis of the investigated boreholes performed at Sidi Chennane showed that from 157 boreholes 53 revealed a “disturbed” phosphate series ie 33 of the investigation boreholes
bances and the normal phosphatebearing rock The Wavelet output of the phosphate deposit “disturbances” map given in figure 4 350 300 200 150 250 100 50 350 300 200 150
method using nonparametric regression filtering tends to give a real estimation of the surface of the phosphate deposit “disturbances” zones with a significant suppression of the noise The level disturbance resulting from such method is also more defined in all the disturbed zones
phosphate disturbed zones The continous wavelet analysis surface of phosphate deposit disturbance zones modelling as obtained by the above procedure in the study area provided a direct image for an interpretation of the resistivity survey Figure6 Wavelet output of the phosphate deposit “disturbances” map given in figure 3
Wavelet transform is particulary suitable in denoising filtering and analyzing geophysic al data singularities Wavelet transform tools is applied to analysis of a Moroccan phosphate deposit “disturbances” Wavelet approach applied to modeling surface phosphate “disturbances” was found to be consistently useful
disturbances and the normal phosphatebearing rock The SavitzkyGolay filtering output map correponding to surface modeling of resistivity anomalies is obtained by AutoSignal routine This procedure enables us to de ﬁ ne the surface phosphate disturbed zones The SavitzkyGolay filtering analysis surface of phosphate deposit disturbance
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