2. Consider you have the following set of samples of copper mineral deposit: Coord X (m) Coord Y (m) Z (%) 24 500 22 1000 18 01 500 22 1000 23 -500 17 -1000 14 -500 23 -1000 21

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Chapter1: The Study Of Minerals
Section: Chapter Questions
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2. Consider you have the following set of samples of copper content collected in a mineral
deposit:
Coord X (m)
Coord Y (m)
z (%)
24
500
22
1000
18
500
22
1000
23
-500
17
-1000
14
-500
23
-1000
21
2.1. Calculate the experimental variogram in north-south direction.
2.2. How could you assess the anisotropy of the spatial distribution of the copper content?
Justify.
3- Values of experimental variograms are represented for each lag h, in table 3,. Which
variogram model fits better to these experimental values
h
2 3
6 7 8 9 10
4
5
Y(h)
0.4
1 2 3 5
0.6
8 9 9.5 9.6
Table 3- Experimental variogram values
Transcribed Image Text:2. Consider you have the following set of samples of copper content collected in a mineral deposit: Coord X (m) Coord Y (m) z (%) 24 500 22 1000 18 500 22 1000 23 -500 17 -1000 14 -500 23 -1000 21 2.1. Calculate the experimental variogram in north-south direction. 2.2. How could you assess the anisotropy of the spatial distribution of the copper content? Justify. 3- Values of experimental variograms are represented for each lag h, in table 3,. Which variogram model fits better to these experimental values h 2 3 6 7 8 9 10 4 5 Y(h) 0.4 1 2 3 5 0.6 8 9 9.5 9.6 Table 3- Experimental variogram values
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