420 



MAGNETIC METHOD 



[Chap. 8 



'im 



-mo 



■moo 



West I eand 5fia/es 



^ l.L^.A^'" ^ I ^ ^ * 3 ■ii?Z6 g 



Quarfiife 

 5/>ale, not 



maqnttle 

 5hde, s/iffiff^ 



meqnef/c 

 5he/e, m«(fe/ufefy 



megnttic 

 5/te/e, highly 



maqntfie 



7 □ 5ha/tf h4u<isione 

 « ^i Sovfmmtfif £itf 



-2000 '^ 



&Z 



-^J^^^.^J\k. 



Jeppestown Beds 

 6ft)6fitai Sfttlett i»f tvai/*^ 



Sco/e 



Fig. 8-66. Vertical intensity anomalies on outcrops of sections of lower Witwaters- 

 rand system in West Wits area. The middle profile is 12 miles southwest of Krugers- 

 dorp. (After Krahmann.) 



WITWATERSRAND SYSTEM 



Fig. 8-67. Interpretation of vertical intensity anomalies, western section, West Wits 

 area, 33 miles southwest of Krugersdorp (after Krahmann). 



