1. COMPUTER PROBLEM For a potential shale area, a profile line has been plotted with the regional anomaly being present. The gravity anomaly is caused by an equidimensional structure of considerable negative density contrast expected to be around -0.411 g/cm3. Make an interpretation of the source as precisely as possible with these data: find the depth and size of the structure. g (in mGal) 120 100 060 0.40

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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1. COMPUTER PROBLEM
For a potential shale area, a profile line has been plotted with the regional anomaly being present.
The gravity anomaly is caused by an equidimensional structure of considerable negative
density contrast expected to be around -0.411 g/cm3. Make an interpretation of the source as
precisely as possible with these data: find the depth and size of the structure.
8 (in mGal)
1.20
1.00
0.60
0.40
0.20
0.00
-1000
S00
500
1000
1500
x(in m)
-500
Ag (in mGal)
1.08
-300
0.96
-100
0.82
100
0.53
300
0.19
500
0.36
700
0.47
900
0.46
1100
0.40
1300
0.34
Transcribed Image Text:1. COMPUTER PROBLEM For a potential shale area, a profile line has been plotted with the regional anomaly being present. The gravity anomaly is caused by an equidimensional structure of considerable negative density contrast expected to be around -0.411 g/cm3. Make an interpretation of the source as precisely as possible with these data: find the depth and size of the structure. 8 (in mGal) 1.20 1.00 0.60 0.40 0.20 0.00 -1000 S00 500 1000 1500 x(in m) -500 Ag (in mGal) 1.08 -300 0.96 -100 0.82 100 0.53 300 0.19 500 0.36 700 0.47 900 0.46 1100 0.40 1300 0.34
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