Furkhan, Aditya Aries and Adipta, Agra and Giamboro, Wrego Seno and Yatini, Yatini (2018) VOLUMETRIC CALCULATION BASED ON COMPARATIVE RESISTIVITY IMAGING ANALYSIS BETWEEN MARQUADT AND OCCAM INVERSION: AN ANDESITE QUARRY CASE STUDY. In: Prosiding Internasional EAGE-HAGI 1st Asia Pacific meeting on Near Surface Geoscience & Engineering, 11-12 April 2018, Yogyakarta.
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Abstract
Volumetric determining in mining prospect encounters certain biases. Resistivity imaging was
comprehended to determine the resistivity distribution of the andesite body. Inversion is used to
characterize a subsurface property upon the geological condition. Inversion data are transformed into
model parameters which could explain the possible subsurface properties that may cause the data be
obtained based on the acceptable forward formulation (Martakusumah and Srigutomo, 2015). Marquadt
and Occam inversion are non-linear inversions with a linear approximation. Both of inversions are used
on the resistivity data resulting a comparative resistivity model. The result from Marquadt inversion
suites more with the geological condition, in contrary with Occam inversion. Andesite body identified
as a high resistivity value ranging 400 – 2000 Ω.m. Marquadt inversion portray intrusion shaped
andesite with a volumetric reaching 9,987 x 10
.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Volumetric Calculation, Resistivity, Marquadt Inversion |
| Subjek: | Q Science > Q Science (General) |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Dr Y Yatini |
| Date Deposited: | 17 Oct 2019 04:11 |
| Last Modified: | 21 Oct 2019 04:24 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/21587 |
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