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Nejati Kalateh, A., Roshandel kahoo, A. (2013). Estimation of 3D density distribution of chromites deposit using gravity data. Journal of Mining and Environment, 4(2), 97-104. doi: 10.22044/jme.2013.170
Ali Nejati Kalateh; Amin Roshandel kahoo. "Estimation of 3D density distribution of chromites deposit using gravity data". Journal of Mining and Environment, 4, 2, 2013, 97-104. doi: 10.22044/jme.2013.170
Nejati Kalateh, A., Roshandel kahoo, A. (2013). 'Estimation of 3D density distribution of chromites deposit using gravity data', Journal of Mining and Environment, 4(2), pp. 97-104. doi: 10.22044/jme.2013.170
Nejati Kalateh, A., Roshandel kahoo, A. Estimation of 3D density distribution of chromites deposit using gravity data. Journal of Mining and Environment, 2013; 4(2): 97-104. doi: 10.22044/jme.2013.170

Estimation of 3D density distribution of chromites deposit using gravity data

Article 15, Volume 4, Issue 2, Summer 2013, Page 97-104  XML PDF (1070 K)
Document Type: Original Manuscript
DOI: 10.22044/jme.2013.170
Authors
Ali Nejati Kalateh 1; Amin Roshandel kahoo2
1shahrood university of technology
2Shahrood University of Technology
Abstract
We inverse the surface gravity data to recover subsurface 3D density distribution with two strategy. In the first strategy, we assumed wide density model bound for inverting gravity data and In the second strategy, the inversion procedure have been carried out by limited bound density. Wediscretize the earth model into rectangular cells of constant andunidentified density. The number of cells is often greater than the number of observation points thus we have an underdetermined inverse problem. The densities are estimated by minimizing a cost function subject to fitting the observed data. The synthetic results show that the recovered model from the first strategy is characterized by broad density distribution around the true model, butthat of the second strategy is closer to true models.
We carry out inversion of gravity data taken over chromite deposit located at Hormozgan providence of Iran for estimating of subsurface density distribution. The recovered model obtained from second strategy has appropriate agreement with previous study.
Keywords
density distribution; positivity constrain; chromites deposit; Inversion; Gravity Data
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