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Identification of Distribution and Calculation of Manganese Reserves from VLF and IP Method in Pengasih, Yogyakarta
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, EAGE-HAGI 1st Asia Pacific Meeting on Near Surface Geoscience and Engineering, Apr 2018, Volume 2018, p.1 - 5
Abstract
Research about manganese reserves has been done in the Karangsari Village, Pengasih District, Kulonprogo Special Region of Yogyakarta. Explorations and exploitation of manganese has been done by local community using traditional method. This research aims to determine the condition of subsurface, manganese distribution, and the amount of manganese reserve in research area. The method used is VLF method and IP method. The line of VLF measurement is 6 line with 300 m length. IP line using dipole-dipole configuration has 5 lines and 300 m length, spacing between electrode 20 m and number n 8. The aquisition using T-VLF BGRM IRISH instrument and Syscal Jr. Resistivity meter. The result of the research is the distribution of manganese in resistivity< 40 ohm.m and chargeability< 10 msec. The range is used for 3D modeling and manganese volume of 228,000 m3. The manganese reserve of the research area is 984,960 ton