PARAGENESIS ALTERASI HIDROTERMAL BATUAN VULKANIK FORMASI HULUSIMPANG DAERAH M…

Provinsi Lampung yang berada di lajur pegunungan atau busur magmatik tentu saja terdapat banyak gunung api yang menghasilkan produk batuan berupa batuan vulkanik salah satunya dapat dijumpai di daerah penelitian yang terletak di daerah Margodadi dan sekitarnya, Kabupaten Pesawaran, Provinsi Lampung. Satuan batuan vulkanik didaerah penelitian berupa satuan batuan andesit, satuan batuan breksi fr…

STUDI KARAKTERISTIK GRANIT FORMASI GRANIT ARAI DAERAH SUNGAI KINANTAN BESAR, …

The research was in the Kinantan Besar River area and its surroundings, Batang Asai District, Sarolangun Regency, Jambi. Tectonically, the study area is in the Jambi Sub Basin. This study aims to identify Geomorphology, Stratigraphy, Geological Structure, and Granite Characteristics in the Arai Granite Formation. The research was conducted using preliminary study methods, field observation, and…

 PEMODELAN GEOLOGI DAN PERHITUNGAN ESTIMASI SUMBERDAYA BATUBARA BERDASARKAN …

Geological modeling was carried out to determine the 3D subsurface model of the seam on coal using MineScape 5.7. Calculation of coal resources is important in exploration to determine the economic feasibility of mining. The results of resource calculations are used to evaluate planned mining activities. The study was located in the Muara Enim region of the South Sumatra basin. In this study, t…

ANALISIS FLUIDA MANIFESTASI DAN INTERPRETASI MODEL TENTATIF TEMPERATUR BAWAH …

Analisis geokimia merupakan metode ekspolorasi panasbumi untuk menentukan tipe manifestasi dan memperkirakan suhu reservoir di daerah Suoh dan sekitarnya. Terdapat tujuh titik lokasi pengambilan sampel air panas untuk dilakukan pengamatan secara fisik dan uji kandungan geokimia, yaitu APS, APKSH, APKSC, APK1, APK2, APGS,dan APBS. Manifestasi panasbumi di daerah Suoh berada di jalur sumatra faul…

PALEOBATIMETRI DAERAH SEMIDANG AJI IMPLIKASINYA TERHADAP IKLIM PURBA FORMASI …

Semidang Aji is located in Ogan Komering Ulu Regency, South Sumatra, which is 27 km with a travel time of 45 minutes from the center of Baturaja City. This research aims to determine the description of the ancient climate conditions and environmental climate during the relative deposition process of the Baturaja Formation. The research method is descriptive-interpretive paleontological analysis…

ANALISA DEFORMASI PERMUKAAN TANAH PADA ZONA RAWAN LONGSOR DENGAN DIFFERENTIAL…

Land movement or mass wasting is a geomorphic process, where the process is a natural process of weathering, erosion and deposition that causes material changes on the earth's surface and landscape. This can be described as the potential for bedrock, to move downslope. Due to the lack of basic information and limitations of survey methods, this research was carried out to provide information ab…

PENGARUH KETERDAPATAN ATRIBUT CLEAT TERHADAP PERMEABILITAS BATUBARA PADA AREA…

The research was conducted at PIT BME in the work area of PT. Ansaf Inti Resources with scope limited to seam c and seam d. The purpose of this research is to find out how the influence of the cleat attribute and its relation to coal permeability. The research method used includes literature study, field observations in the form of measuring cleat attributes (orientation, spacing, aperture, den…

ANALISIS MORFOTEKTONIK DAN IMPLIKASINYA TERHADAP LONGSOR DAERAH EREUNPALAY DA…

Geographically, the research area is located in the Ereunpalay Region, Tasikmalaya Regency, West Java. This research aims to obtain data and evaluate the level of tectonic activity on the Cimandiri fault line which is then linked to landform factors obtained from morphometric analysis of the river basin. The method used is a quantitative geomorphological approach. The data used in this research…

REKOGNISI LINEAMENT DAN PENGARUH KONTROL STRUKTUR TERHADAP KONDISI BENTANG AL…

Landscape along the deformation zone in an area of 81 km2 in the Citarum area, Cianjur Regency has been identified by two approaches, namely reconstructing the geological structure cross-section and analyzing topographic 3D expressions with Digital Elevation Model (DEM). Determination of the boundary of the structural zone is undertaken by interpreting the five geological sections, which are co…

STUDI PETROGENESA BATUAN VULKANIK FORMASI KIKIM DAERAH NEGERIRATU DAN SEKITAR…

This research aims to understand the characteristics of volcanic rocks and the process of their formation in the Kikim Formation, which was carried out in the Negeriratu area and its surroundings. Volcanic rock is a type of igneous rock. The formation of volcanic rocks occurs during the cooling of magma when it has formed lava or frozen fragments on the earth's surface. The characteristics of t…

ANALISIS GEOKIMIA BATUBARA TERHADAP POTENSI UNDERGROUND COAL GASIFICATION (UC…

This researth is located in Banjarsari, Muara Enim, South Sumatra. The purpose of this study is to analyze and calculate the potential of coal resources that can be used as underground coal gasification. The method used in this research includes field data collection. Laboratory analysis, and studio analysis. Resource calculation is done using the circular method. The results obtained from this…

LINGKUNGAN BATIMETRI DAN IKLIM PURBA FORMASI HALANG DAN FORMASI HALANG ANGGOT…

This research aims to find out the deposition environment and paleoclimate that occurred in the Halang and Anggota Breksi Halang Formation. The research location is in Wonoharjo, Kebumen-Banyumas Regency, Central Of Java Province with coordinates N 320 81’00’’E, S 910 62’00’’ dan N 320 92’00’’E, S 910 61’00’’. The research method is a descriptive paleontoloicl analysis w…

ANALISIS KERAWANAN LONGSOR DENGAN METODE KORELASI NDVI, RELIEF DIVERSITY DAN …

This research was carried out in the Mekarsari and surrounding areas, with a fairly high level of landslide susceptibility according to the fairly high level of ground movement susceptibility (BPS Cianjur Regency, 2022). The potential hazard area and hazard class in the research area is approximately 3,566 Ha and the hazard class is in the High category. Observations at the landslide research l…

ANALISA KARAKTERUSTIK DAN MODEL PESEBARAN LAPISAN BATUBARA PADA PT BATUALAM S…

The study was located in Gumay Talang District, Lahat Regency, South Sumatra. The research location is located in the South Sumatra Basin and is included in the Muaraenim Formation (Tmpm). The study was conducted to determine the characteristics and distribution patterns of coal seams at the location. The methods used in this study are well logging and startmodel methods. Lithology found at the…

PENGARUH PERUBAHAN MORFOMETRI SUNGAI TERHADAP PERMUKIMAN BERBASIS SISTEM INFO…

Various factors such as geological phenomena including erosion and sedimentation, climate change, and human activities, have the potential to cause changes in river flow patterns. These transformations generally can be observed by the changes appearance of the river flow. Therefore, changes in river morphometric dimensions can be impacted characteristics of river flow patterns, especially in ri…

ANALISIS KESTABILAN LERENG DENGAN METODE BISHOP DAN PEMETAAN ZONASI RAWAN LON…

Bencana alam merupakan suatu runtutan peristiwa yang memberikan dampak langsung berupa ancaman terhadap kehidupan masyarakat yang disebabkan, baik oleh faktor alam atau faktor non alam sehingga dampak langsung yang ditimbulkan adalah kerusakan lingkungan, kerugian harta benda, dampak psikologis, serta timbulnya korban jiwa. Bencana alam yang sering terjadi di daerah penelitian salah satunya ada…

ANALISIS PENILAIAN GEOWISATA MENGGUNAKAN METODE M-GAM (MODIFIED GEOSITE ASSES…

Penelitian berada pada daerah Lembah Segar, Kota Sawahlunto, Provinsi Sumatera Barat. Tatanan geologi pada daerah merupakan sebuah daya tarik kuat pada wisata alam, dimana pada daerah penelitian terdiri atas 4 Formasi diantaranya Formasi Silungkang, Formasi Tuhur, Formasi Sawahtambang dan Formasi Ombilin. Kawasan Geopark Sawahlunto merupakan salah satu Geopark yang terletak di Provinsi Sumatra …

PEMODELAN GEOMEKANIKA UNTUK PENENTUAN ZONA LEMAH MENGGUNAKAN GEOLOGICAL STREN…

The mining process in Bangko Tengah entered the initial staging of production processing. However, on the low wall of the excavation, there is still coal that has yet to be produced due to the influence of landslide material on it and limited land for excavation. Therefore, studies on geomechanical models are required to find low-wall weak-layer areas. Material properties that are the focus of …

ANALISIS WILAYAH RAWAN LONGSOR MENGGUNAKAN METODE SIMPLIFIED BISHOP DAN DATA …

Landslide disasters can occur due to several factors, and based on BNPB InaRISK data, the Cileles area and its surroundings are included in the area with moderate vulnerability to landslides. This research uses direct field observation and remote sensing methods which use vegetation index parameters, soil wetness level, slope, research area elevation, and the constituent rocks’ lithology. The…

STUDI PROVENANCE BATUPASIR FORMASI LEMAU DAERAH ULAK BANDUNG DAN SEKITARNYA, …

The research location is in the Ulak Bandung area, Kaur Regency, Bengkulu Province, this area is included in the geological sheet of Manna and Enggano Sumatra. Geologically, the study area has a dominating sandstone lithology, especially in the Lemau Formation. Sandstones in the Lemau Formation are Middle Miocene – Late Miocene in transitional environments with gradual transgression phases tu…

ESTIMASI SUMBERDAYA DAN ANALISIS LINGKUNGAN PENGENDPAN BATUBARA BERDASARKAN K…

Coal resource estimation is the process of calculating coal in the subsurface using exploration drilling data. Furthermore, coal deposition environment analysis is carried out to determine the environmental conditions and characteristics of coal to be able to carry out further mining stages This study aims to calculate resource estimation and coal deposition environment analysis. This research …

GEOLOGI LINGKUNGAN

Edition

1

ISBN/ISSN

979-756-074-2

Collation

x, 214 hlm. , 1 jil. ; 23 cm

Series Title

-

Call Number

551 Noo g

PANDUAN GEOLOGI TEKNIK

Edition

-

ISBN/ISSN

978-602-73388-1-4

Collation

xvii, 230 hlm. : ilus .; 25 cm

Series Title

Buku Seri Geologi Teknik

Call Number

551 Sug p

KARAKTERISTIK DAN POLA PERSEBARAN SILICIFIED COAL PADA TAMBANG BATUBARA AREA …

The Muara Enim Formation is one of the largest coal-producing formations in Indonesia, located in South Sumatra. This research area is located in the BME PIT Kungkilan Area, Lahat Regency, South Sumatra. One of the disturbing factors in the coal mining process is the presence of silicified coal in the coal seams. Silicified coal is an organic material that has died and then precipitated, then t…

ANALISIS KERAWANAN LONGSOR MENGGUNAKAN METODE FUZZY LOGIC DAERAH PANCURMAS UN…

Final project research using fuzzy logic method was conducted in Pancurmas Unit Jaya and surrounding areas, Empat Lawang Regency, South Sumatra Province. It has a morphology of low hills to high hills with gentle slopes to very steep slopes so that several landslides were encountered during field observations that disrupted road access to the village. The study is intended to identify the level…

IDENTIFIKASI KERAWANAN BANJIR BERDASARKAN METODE PENILAIAN TUMPANG TINDIH DAN…

The Identification of flash flood vulnerability was carried out in the Bantarsari and surrounding areas, Pabuaran District, Sukabumi Regency, West Java using district spatial data, DEMNAS data and previous research data in the form of geological mapping conducted by Ramadhan (2022). These data were developed into parameters used in vulnerability identification including parameters of slope, flo…

PENDEKATAN AGROGEOLOGI MELALUI IDENTIFIKASI MINERAL TERHADAP POTENSI KEHARAAN…

Agrogeological research was carried out in the Air Putih area, Lebong Regency, Bengkulu Province. Agrogeology is a new scientific discipline that involves earth science to play a role in the development of agriculture, by utilizing natural materials in nature. This study aims to identify the potential of nutrients based on the mineral composition of the rock. The analysis was carried out using …

ANALISIS MORFOMETRI TERHADAP PERUBAHAN ALUR SUNGAI LUK ULO KECAMATAN PEJAGOAN…

The Luk Ulo River is a river that runs along Karanggulung, Kebumen Regency, Central Java. The Luk Ulo River which cuts the north-south area of Karanggulung shows a meandering appearance. The parameters of the Luk Ulo river aim to analyze changes in the morphometric characteristics of the river. The measurement parameters observed were the length of the stream (s), the radius of curvature (r), t…

ANALISIS KONSOLIDASI STOCKPILE LOKASI PIT X BANGKO TENGAH PT BUKIT ASAM TBK. …

Coal mining companies have a place to accommodate the results of temporary economic minerals for a long time and then carry out marketing or the stockpile area. Coal hoarding for a long time will experience land subsidence or settlement, resulting in the reduced economic value of coal. Settlement due to loading requires consolidation analysis. The consolidation process shrinks the volume or voi…

PENGARUH AIR ASAM TAMBANG TERHADAP KUALITAS AIR TANAH SEBAGAI BAHAN BAKU AIR …

Acid mine drainage is one of the factors that can damage the environment, especially groundwater. The research area is Air Batu and its surroundings, Talang Kelapa District, Banyuasin Regency, South Sumatera Province. This study aims to test the quality of groundwater affected by acid mine drainage based on the distance between the groundwater wells and acid mine drainage. The distance is divid…