anomalous X, anomalous Y, and anomalous Z components of the magnetic 

 field (Figs. 6, 7, and 8). The total intensity, inclination, and 

 declination of the anomalous magnetic field are shown on Figures 9, 

 10, and 11, and were calculated from the anomalous X, Y, and Z 

 components . 



Several observations regarding the nature of the magnetic source 

 may be made from an inspection of the anomalous components. Since the 

 anomalous dip and declination represent the orientation of the lines 

 of force referenced to the vertical direction and geographic north, 

 respectively, the point at which the anomalous dip goes to 90° and 

 the anomalous declination contours converge locates the dip pole in 

 the plane of observation. The distortion of the anomalous declination 

 and dip isolines in the northern portion of the survey area can be 

 attributed to a localized secondary source. The direction of the 

 anomalous X axis indicates the horizontal direction of magnetization. 

 This is supported by the agreement between the computed direction of 

 magnetization (339°, see Sec. Ill) and the orientation of the 



anomalous X axis (340°) . 





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