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All Journal Journal of Geoscience, Engineering, Environment, and Technology PROMINE Jurnal Riset Teknik Pertambangan Bandung Conference Series: Urban & Regional Planning Bandung Conference Series: Mining Engineering

Dudi Nasrudin Usman

Fakultas Teknik, Universitas Islam Bandung

Author-ID : 408274

Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Materials Science & Nanotechnology Physics

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Pola Deformasi (Deformation Pattern) Mineralisasi Emas Sulfida Rendah di Zona Neo-Tektonik Selat Sunda Dudi Nasrudin Usman; Nana Sulaksana; Febri Hirnawan; Iyan Haryanto
PROMINE Vol 6 No 1 (2018): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

The Sunda Strait is one of the zones of the Eurasian plate encounters with fairly active Indian plates. This can be seen based on volcanic activity that occurred in the region of Mount Krakatau. But there are unique things that are important to learn is tectonic movement with geological forces that work to produce cracks in rocks, the formation of volcanoes and cracks that occur produce mineralized zones, especially in the Formation of Honje and Formation Cipacar and more widely known as Bayah Dome. The presence of mineralization of the Honje Formation and Cipacar Formation is particularly located in the District of Cimanggu, Mangku Alam Village, the existence of gold mining activities proves that the mineralization of the region has the potential of economy. The presence of mineralization will not be separated from the presence of rock fractures in the two formations that have different geological age of the Late Miocene and Plistocene. Both formations are hindered by the presence of unconformity fields. This study aims to prove the extent of tectonic activity occurring in the Honje Formation with the final Miocene age forwarded to the Cipacar Formation even though obstructed by the field of nonconformity with the results of field data processing based on the value of RMR and RQD value. Both parameters are also studied to determine the extent to which the RQD value determines the magnitude of the grade value of Gold (Au). The distribution of RMR value and rock RQD value is taken from 2 different rock units, ie, andesite rock units in Honje Formation and tuff rock units in Cipacar Formation, based on the data distribution around 125 RMR observation points and 117 RQD observation points in the field are processed by using method test the average difference of the two parameters from 2 different rock units. In addition, the RQD value was correlated to the high level of gold content using correlation regression test of 78 data content and RQD value. Results of processing and discussion of data indicate that between the value of RMR in andesit unit and tuff unit there is no difference in value means H0 accepted by tcount = 0.556 <ttable = 1.995, as well as the difference test average RQD value where the results show that there is no difference between the average value of RQD andesite rock units in Honje Formation and tuff rock units in Cipacar Formation with tcount = 1.714 <ttable = 1.995, based on the results of data processing it can be explained that the tectonic activity in Honje Formation with the final Miocene age is forwarded to Cipacar Formation even if obstructed the field of dissonance means that tectonic activity of the region is inferred as neotectonic activity of West Java. In addition, one more thing that can be concluded that the relationship of RQD with Gold content (Au) based on statistical test the greater the value of RQD then the value of gold content (Au) the greater the test results regression correlation value PValue (Significance) = 0.013 with the equation y = -0.715x + 75.882 value R2 42.39%. Because Significance value> 0.05 then H0 DENIED, so H1 accepted, where the higher the value of the Big Au content then the RQD Value the greater.

Pengembangan Wilayah untuk Pembangunan Daerah Pangalengan Kabupaten Bandung Berbasis pada Satuan Genetik Wilayah Geologi dan Kebencanaan Dudi Nasrudin Usman; Sri Widayati; Sriyanti Sriyanti
PROMINE Vol 5 No 2 (2017): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Unit of Area Genetics (SGW) as one of the methods in considering geological aspects for geologicarea-based development. The geological condition as part of the natural movement in a particularcondition makes it possible to predict its effect on the movement of an area in particular with regard tonatural disasters. Pangalengan who has a million beautiful natural charm, especially from the point ofpan-dang geology need it to be studied based on geological data. The charm is the presence of activevolcanoes in the region such as Mount Malabar, Mount Wayang, Mount Windu and others. In addition,the morphology of Pangalengan is relatively well represented in the highlands, hills and mountainareas as part of Java's tectonic activity. Another evidence of such activity is the existence of fault linesin the Pan-galengan mountains of Southeast-Northwest. Pangalengan who has a million beautifulnatural charm, especially from the point of pan-dang geology need it to be studied based on geologicaldata. The charm is the presence of active volcanoes in the region such as Mount Malabar, MountWayang, Mount Windu and others. In addition, the morphology of Pangalengan is relatively wellrepresented in the highlands, hills and mountain areas as part of Java's tectonic activity. Anotherevidence of such activity is the existence of fault lines in the Pan-galengan mountains of Southeast-Northwest.

Karakteristik Endapan Tras Nagreg untuk Menudukung Pemberdayaan Perekonomian Masyarakat Lokal, Desa Nagreg Kendan, Kecamatan Nagreg, Kabupaten Bandung Sri Widayati; Dudi nasrudin usman; Sriyanti Sriyanti; Linda Pulungan; Dono Guntoro
PROMINE Vol 5 No 2 (2017): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Characteristics of sediment Tras Nagreg as part of the volcanic process in the region provides anopportunity and potential to be utilized through mining activities. Mining activities, as a capitalintensive,labor-intensive and risk-filled industry, do not always have a negative impact on thesurrounding community, there is something to do with the economic aspects in which all types ofmineral deposits have economic value including tras. Nagreg Kendan Village, Nagreg Subdistrict aspart of Bandung Regency which has tras sediment potential, where in quality and quantity, trassediment in the area has big enough potency to be utilized especially to improve prosperity of localcommunity. Currently, the number of people with productive age is quite a lot, which becomes thecapital for the management of tras going forward, another thing to consider is the existence of thelocation not far from the access road that connects Bandung - Garut, Bandung - Cianjur and Bandung- Jakarta.

Peningkatan Kompetensi Masyarakat Lokal dalam Pemanfaatan Endapan Tras Di Daerah Nagreg Kendan, Kabupaten Bandung, Jawa Barat Sri Widayati; Dudi nasrudin Usman; Sriyanti Sriyanti; HimawaN Nuryahya; Ike J. Triwardhani
PROMINE Vol 7 No 2 (2019): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v7i2.1644

Competency enhancement in trass utilization was given to local communities of Nagreg Kendan,Bandung, West Java. This activity was intended to explore the potential of local cummunity indeveloping trass deposit utilization for local economy. This activity is expected to providerecommendation and encouragement for local community to develop entrepreneurship in utilizing andmanaging mineral resources potential. This activity was divided into several parts, they are pre-test,counseling and discussion about trass utilization, and also post-test to evaluate local community’sbasic knowledge. Local community shows good knowledge and enthusiasm of local community indeveloping local economy through trass utilization.

Co-Authors 10070119055, Ricky Candra A.A. Ketut Agung Cahyawan W Adit Kurniawan Ali Djamhuri Bagas Ghozi Adiwiyuga Dadan Mukhsin Devi Ulfa Yunita Dodo Guntoro Dodo Guntoro, Dodo Dono Guntoro Era Setiawan Febri Hirnawan Febri Hirnawan Febri Hirnawan Firhan Ali Firman Alvin Dwiyanto Himawan Nuryahya HimawaN Nuryahya Ibnu Sucipto Icih Sukarsih Ike J. Triwardhani Ilya Rahma Putri Iyan Haryanto Iyan Haryanto Iyan Haryanto, Iyan Jivan Akbar Linda Pulungan Mildani, Deni Muhammad Ariffin Nana Sulaksana Nana Sulaksana Nana Sulaksana Noor Fauzi Isniarno Nuryahya, HimawaN Ramadhani, Rully Nurhasan Reza Alfikri Rudi Intan Rully Nurhasan Rully Nurhasan Ramadhani Rully Nurhasan Ramadhani Sintia Rahayu Agustina Sri Widayati Sri Widayati Sri Widayati Sri Widayati Sri Widayati Sri Widayati Sri Widayati Sriyanti Sriyanti Suherman Suherman Wahyu Budhikhorniawan Wahyu Guntoro Willian Wijaya Yulia Asyiawati Yurika Permanasari Yuti Andila Aninditya Zaenal

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