Skip to main content
. 2016 Aug 22;5(1):1384. doi: 10.1186/s40064-016-3030-7

Fig. 4.

Fig. 4

a Vertical component magnetic anomaly over Pima copper mine, Arizona, USA (adapted from Abdelrahman and Sharafeldin (1996), p 219), bd derived anomalies through the second-, third-, and fourth-order horizontal derivatives