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Alam Budiman Thamsi
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Journal of Geology and Exploration
Published by CV. Insight Publisher
ISSN : -     EISSN : 29633869     DOI : https://doi.org/10.58227/jge
Core Subject : Science, Engineering,
Earth & Planetary Sciences Engineering
Journal of Geology and Exploration opens a new era for the publication of geoscientific research articles in English, covering geology, geophysics, geochemistry, paleontology, structural geology, mineralogy, petrology, stratigraphy, sedimentology, environmental geology, economic geology, petroleum geology, hydrogeology, remote sensing and mining exploration.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Teknik Geologi dan Geologi Teknik
Articles 35 Documents
 1   2   3   4 
Maindam Stability Analysis of Retarding Basin TR-01 Flood Control Project Das Sanggai 1A Advanced KIPP IKN Region East Kalimantan Husain, Sayid Agil; Azikin, Busthan
Journal of Geology and Exploration Vol. 4 No. 1 (2025): Journal of Geology and Exploration, June 2025
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v4i1.191

Abstract

Infrastructure development on KIPP-IKN East Kalimantan area faces challenges such as flooding and unavailability of raw water. To address these issues, a Retarding basin is being built to address these issues. However, the engineering geological conditions on the basin and surrounding area can vary significantly, impacting the construction process. Further research is needed to understand these conditions and safety factors for slope stability and seepage in the main dam building. The research method used is the surface and subsurface geological mapping method to analyze engineering geological conditions as well as simulating the stability of the main dam using data from laboratory analysis. The research area consists of residual soil classified as Class D and mudstone as Class Middle, with fair-poor quality rocks. Slope stability simulations show that the area meets minimum requirements and is safe from landslides. Additionally, seepage stability simulations show that the TR-01 retarding basin's seepage discharge is below maximum permitted discharge requirements and is included in the safe category.
Geology and Geochemistry of Batuan Gunungapi Walimbong Formation Balepe Area Tana Toraja Regency South Sulawesi Province Idham, Virly Fakhriyah Uzdah; Azikin, Busthan; Tonggiroh, Adi
Journal of Geology and Exploration Vol. 4 No. 1 (2025): Journal of Geology and Exploration, June 2025
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v4i1.195

Abstract

The study area is located in the Regional Geological Sheet of Majene and Western Palopo, precisely administratively, the research location is located in the Balepe Area, Malimbong Balepe District, Tana Toraja Regency, South Sulawesi Province and astronomically located at the coordinates 119°39'20' 'E - 119°43'20'' E (East Longitude) and 03°03'25'' S - 03°06'25'' S (South Latitude). The purpose of the study was to find out the type and affinity of magma, the naming of rocks based on chemical composition, and the evolution of magma in the study area. The methods used are field observations and data collection, petrographic analysis, and geochemistry using XRF (X-Ray Fluorescence spectrometry). The data was processed using GCDKIT Software. Based on the results of geochemical analysis on the four rock samples, the rock types were based on Total Alkaline Silica (TAS), namely trachy basalt, basalt, rhyolite, and dacite with magma affinity, namely Shoshonite Series and High-K calc-alkaline Series. Petrographic analysis in the form of naming rocks using the Pettijohn (1975) classification, namely lithic tuff, crystal vitric tuff, vitric crystal tuff, and vitric crystal tuff. The evolution of magma in the study area in the diagram of the variation of the content of major elements against SiO2 compounds shows that some of the main elements are systematically differentiated and some are not systematic.
Characteristics of Limestone Formation Tonasa in Baring Area Segeri District Pangkep Regency South Sulawesi Province Adam, Muhammad; Hasanuddin; Yunita Samalembang
Journal of Geology and Exploration Vol. 4 No. 1 (2025): Journal of Geology and Exploration, June 2025
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v4i1.222

Abstract

Administratively, the Baring area is included in the area of Segeri District, Pangkep Regency, South Sulawesi Province. This study aims to determine the characteristics of the Tonasa Formation limestone. The research method is the method of observation and collection of field data and the petrographic method.The Baring area geomorphological unit is a geomorphological unit of low karst hills characterized by the presence of karst cliffs, staclactites and karst caves. Periodic and episodic river types, subsequential river genetic types, river stadia are young towards adulthood and adult area stadia towards adulthood. Characteristics of the appearance of limestone of the Tonasa Formation macroscopically in a fresh state of brownish-yellow and in a weathered state of blackish-gray, clastic texture, size of fine sand material to medium sand, unlayered structure, good sortation, closed packaging, good porosity, good permeability. And microscopically, it shows a massive structure and texture of low porosity, grain supported, 0.02 – 0.75 mm, the constituent fragments in this rock are in the form of skeletal grains/clast/fossils, minerals in the form of calcite are found with a size of 0.02 mm – 0.15 mm, mud is found replacing and filling body parts of fossils that have undergone dissolution with a size of <0.02 mm.
Geology and Geochemical Characteristics of Residual Soil From Tuff as Raw Material for Industry in Paccarammengan Area, Ujung Loe District, Bulukumba Regency, South Sulawesi Province Fazry Parimajeng; Azikin, Busthan
Journal of Geology and Exploration Vol. 4 No. 1 (2025): Journal of Geology and Exploration, June 2025
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v4i1.227

Abstract

The research area is administratively included in the Paccarammangan Area, Ujung Loe District, Bulukumba Regency, South Sulawesi Province. The purpose of this study was to conduct a study of the geochemical characteristics of rocks and residual soil from tuff in order to obtain geology regarding the characteristics of rocks and residual soil information from tuff and its use as industrial raw materials. This study was conducted using geological surface mapping methods and laboratory analysis in the form of petrographic analysis and X-Ray Fluorescence (XRF) on 4 rock samples at stations 8, 15, 16, and 48. From the results of petrographic analysis, tuff in the Walanae Formation mostly comes from intermediate-ultrabasic magma series based on its mineral composition. From the results of geochemical analysis, tuff in the Walanae Formation has a positive and negative correlation to SiO2 and the nature of its magma is intermediate-ultrabasic. Based on the naming of rocks, station 8 has a trachy basalt composition, stations 15, 16 have a basaltic andesite composition, and station 48 has a basanite composition. The use of the remaining tuff soil in the research area is suitable for use as bricks, roof tiles and fine pottery.
Coal Characterization of Mallawa Formation in Mallawa Area, Maros Regency, South Sulawesi Province Anshariah; Anwar, Habibie
Journal of Geology and Exploration Vol. 4 No. 1 (2025): Journal of Geology and Exploration, June 2025
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v4i1.251

Abstract

Coal characterization is very heterogeneous chemically and physically, even within one seam there can be significant differences. Although some areas have coal, the characteristics of coal in one area are not necessarily the same as coal in other areas. This research was conducted to determine the coal rank based on calorific value, coal grade and coal characteristics of Mallawa Formation. This research was conducted using field data collection methods directly in the field in the form of coal samples, outcrop geometry data which were then subjected to laboratory analysis in the form of proximate, sulfur and caloric tests, and analyzing the relationship between total sulfur content in coal and coal ash content. The results showed that the coal rank based on coal calorles is in sub bituminous (low rank), coal grade in very low grade coal, with an average moisture content of 7.78%, average ash content of 39.99%, volatile matter 32.85% and average fixed carbon 19.39 cal/gr, and has a high sulfur content of 2,13%. There is a strong relationship between ash and sulfur content in coal with an R²value of 0 8238.

Page 4 of 4 | Total Record : 35

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