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All Journal Jurnal Geominerba
Arif Budiyono
PPSDM Geominerba, KESDM
Earth & Planetary Sciences Education Engineering Other

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PELATIHAN PENGAWAS OPERASIONAL PERTAMA (POP) PERTAMBANGAN DALAM MENDUKUNG KINERJA KESELAMATAN PERTAMBANGAN DI PT TIMAH Arif Budiyono
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 6 No 1 (2021): Jurnal Geominerba - 2021
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (10590.917 KB)

Abstract

The implementation of the Mining Frontline Operational Supervisor training at PT Timah which is focused and effective in fulfilling all aspects of the competency dimensions, both in terms of knowledge, skills and attitudes, greatly affects the achievement of learning outcomes and the impact of training on the organization in order to improve mining safety performance The Mining Frontline Operations Supervisor training program at PT Timah organized by the Center for Geological, Mineral, and Coal Human Resources Development was able to achieve an adequate level of success in providing the fulfillment of performance capabilities for all competency units of Mining Frontline Operations Supervisor. In the training aspect, generally have a positive perception in all aspects of training instructional design including training curriculum and syllabus, training materials, and training infrastructure. The results of tracing interview and observation instruments on several important indicators in the competency unit of Mining First Operations Supervisor in supporting Mining safety performance such as the implementation of inspection, implementation of job safety analysis, and implementation of planned mining safety meetings provide adequate results for all required criteria both from the perspective competency test and evaluation of learning outcomes.
APLIKASI METODE CROSTA UNTUK PENENTUAN ZONA UBAHAN DI DAERAH KAMPUS LAPANGAN CISOLOK, SUKABUMI DAN SEKITARNYA Arif Budiyono
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 4 No 2 (2019): Jurnal Geominerba 2019
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4170.125 KB) | DOI: 10.58522/ppsdm22.v4i2.74

Abstract

Crosta method is a method of remote sensing data processing to determine alteration zones associated with mineralization in an area with favorable geological conditions. The Crosta method is applied to remote sensing image data in the Cisolok field campus area, Sukabumi. The enhancement process of the 1,3,4,5 and 1,4,5,7 bands gives a picture of the significant zone separation between the distribution of clay changes and the distribution of iron oxide changes in the study area. Data validation was carried out on the determined observation points and gave an average Fe 2O3 content of 15.2%. The geological structure and various alteration zones in the Cisolok field campus area, Sukabumi provide significant added value in the application of this method in separating zones of iron oxide and clay alteration.
PENYELIDIKAN GEOLISTRIK TAHANAN JENIS UNTUK PENDUGAAN POTENSI AIR TANAH DI KAMPUS LAPANGAN PPSDM GEOMINERBA CIPATAT – PADALARANG Arif Budiyono; Antonius Alex Harmoko
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 4 No 1 (2019): Jurnal Geominerba 2019
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4932.772 KB) | DOI: 10.58522/ppsdm22.v4i1.84

Abstract

Availability of ground water at the PPSDM Geominerba Cipatat field campus - Padalarang is a problem that must be taken seriously enough and planned in order to improve services in the use of the field campus to support education at PPSDM Geominerba. Based on this, a study of the potential for groundwater availability has been carried out to overcome existing problems. One of the efforts made is to conduct a type of geoelectric resistivity investigation to illustrate the potential of groundwater in the field campus area. Measurement and data retrieval is done by Schlumberger (Vertical Electrical Sounding) and dipole-dipole (Profiling) configurations on 5 sounding points and 2 profiling lines. From the investigation conducted, it was found that the area lithology of the field campus was dominated by limestone, with the results of the interpretation obtained 3 main layers, namely: tuff, sand, clay tuff, and limestone. The lower limit of the limestone layer cannot be ascertained through this investigation due to the inadequate length of coverage factor both for sounding techniques and profiling techniques The location around the expected point of GL-3 is a more realistic place for groundwater extraction with a slight shift to the north. The thickness of the low resistivity layer that is not too thick is expected to provide enough contact area to allow storing and capturing more meteoric water besides the surface water collected in the porous layer.
APLIKASI METODE GEOSTATISTIK MULTIVARIAT UNTUK ESTIMASI ZONA BEDROCKENDAPAN NIKEL LATERIT Arif Budiyono
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 3 No 1 (2018): Jurnal Geominerba - 2018
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58522/ppsdm22.v3i1.94

Abstract

The problems in the exploration of lateritic nickel deposits arise when there was an unfinished drilling which had not penetrated the bedrock zone. This may lead to a non-optimal laterite nickel deposit resource model since the lateritic nickel mining should be carried out up to the bedrock zone. The multivariate geostatistics method was used to estimate the bedrock zone in the unfinished drilling location by utilizing the high saprolite zone elevation as the secondary data and bedrock zone elevation from the finished drilling as the primary data. Compared to the ordinary kriging, the ordinary cokriging technique approaches on multivariate geostatistics methods were proven to be able to improve the estimation results in which the statistical value of the estimated variance becomes smaller.
Co-Authors Antonius Alex Harmoko