Imam Suyanto
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View article: Mineralogy and Ore Characteristics of the Kujang Pb-Zn Skarn Deposit, Sukabumi Regency, West Java
Mineralogy and Ore Characteristics of the Kujang Pb-Zn Skarn Deposit, Sukabumi Regency, West Java Open
The Kujang Pb-Zn skarn deposit is known to be the newest skarn deposit found in the Sunda-Banda magmatic arc. The skarn orebodies are mostly hosted by limestone which might be the part of the Jampang Formation where dacite porphyry is inte…
View article: Analisis Metode Magnetik pada Daerah Manifestasi Panas Bumi Karangrejo, Kabupaten Pacitan
Analisis Metode Magnetik pada Daerah Manifestasi Panas Bumi Karangrejo, Kabupaten Pacitan Open
Geothermal energy is one of the natural resources found in Pacitan Regency, alongside mining and geotourism. Geothermal manifestations in Pacitan Regency take the form of hot springs located at two points: Tinatar in the Punung District an…
View article: Identification of Gold Mineralization Zones Using Magnetic Data at Gunung Gupit Area, Magelang, Central Java
Identification of Gold Mineralization Zones Using Magnetic Data at Gunung Gupit Area, Magelang, Central Java Open
Indonesia is one of the biggest gold producing countries in the world. the discovery of new gold reserves makes the passion of the gold mining industry increase. The Gunung Gupit area of Magelang Regency in Central Java has discovered new …
View article: A Fuzzy Decision in Volcano Warning System Forecast
A Fuzzy Decision in Volcano Warning System Forecast Open
The volcanic warning system in Indonesia is divided into four levels namely normal, waspada, siaga and awas. Based on the setting above, a study is needed to design a volcanic activity forecast system using temperature sensors, SO 2 , CO 2…
View article: Development of an Internet of Things Based Volcano Monitoring System
Development of an Internet of Things Based Volcano Monitoring System Open
Indonesia has the highest number of active volcano all over the world. There were 63 eruptions with more than 70000 casualties from last year eruptions. To minimize the effect of this disaster, we have developed a volcano early warning sys…
View article: Development of Volcano Early Warning System for Kelud Volcano
Development of Volcano Early Warning System for Kelud Volcano Open
Kelud is one of Indonesian volcano lies between Kediri and Blitar districts of East Java province. This volcano has erupted since 1000 where casualties of 200000 people emerged until the last eruption in 2014. Therefore, it is needed a vol…
View article: Topography changes and thermal distribution at the Kelud crater after the 2014 Plinian eruption
Topography changes and thermal distribution at the Kelud crater after the 2014 Plinian eruption Open
Topography of a volcano crater can change due to endogenic processes such as deformation or eruption, or surface processes. Erosion and deposition are surface processes that may occur and gradually change the slope of the inner volcano cra…
View article: Identifikasi Akuifer Air Tanah di Desa Senawang, Kecamatan Orong Telu, Kabupaten Sumbawa Menggunakan Metode Geolistrik Schlumberger
Identifikasi Akuifer Air Tanah di Desa Senawang, Kecamatan Orong Telu, Kabupaten Sumbawa Menggunakan Metode Geolistrik Schlumberger Open
Senawang District is an area in Sumbawa Province with a high level of drought. This study aims to provide additional information about groundwater to support the availability of clean water in Senawang District. The study used Geoelectric-…
View article: Investigation of groundwater aquifer at Noborejo, Salatiga using Electrical Resistivity Tomography (ERT) and Vertical Electrical Sounding (VES) methods
Investigation of groundwater aquifer at Noborejo, Salatiga using Electrical Resistivity Tomography (ERT) and Vertical Electrical Sounding (VES) methods Open
Local Water Supply Utility (PDAM) of Salatiga, Indonesia planned to build three new wells to meet the needs for clean water and increase the number of customers in Salatiga. The plans for the construction of the new wells are located in Ra…
View article: Investigation of Natural Beachrock and Physical–Mechanical Comparison with Artificial Beachrock Induced by MICP as a Protective Measure against Beach Erosion at Yogyakarta, Indonesia
Investigation of Natural Beachrock and Physical–Mechanical Comparison with Artificial Beachrock Induced by MICP as a Protective Measure against Beach Erosion at Yogyakarta, Indonesia Open
Typically, the mitigation of coastal erosion is achieved by amending surface conditions using materials, such as concrete. The objective of this study is to evaluate the feasibility of constructing artificial beachrocks using natural mater…
View article: A Feasibility Investigation for Developing Artificial Beachrocks: A Potential Measure for Coastal Protection in Southeast Yogyakarta Coast, Indonesia
A Feasibility Investigation for Developing Artificial Beachrocks: A Potential Measure for Coastal Protection in Southeast Yogyakarta Coast, Indonesia Open
<p>Erosion prone sandy beaches are frequently covered by cement and mortar to preserve the coastal zone, but the conventional approach has an adverse impact on the environment, altering the coastal landscape and processes unfavorably…
View article: Application of Polarization Method (IP) to Delineate the Gold Mineralization Zones in Cihonje Areas, Banyumas Regency, Province of Central Java
Application of Polarization Method (IP) to Delineate the Gold Mineralization Zones in Cihonje Areas, Banyumas Regency, Province of Central Java Open
The main problem in metal mineral exploration is determining the deposits at subsurface. This deposit is associated with the surrounding rocks so it is not easy to distinguish. One of the Geophysical methods that can be used for that is th…
View article: Identification of hydrothermal deposit mineralized zones using the induced polarization method in Kasihan Area, Pacitan, East Java
Identification of hydrothermal deposit mineralized zones using the induced polarization method in Kasihan Area, Pacitan, East Java Open
The research area is one of the areas that have potential of hydrothermal deposit mineralization in Pacitan regency. This research aims to identify the presence of hydrothermal deposit mineralized zones through geophysical exploration by u…
View article: Biomineralization of an artificial beachrock based on urease microbial activities for coastal risk prevention
Biomineralization of an artificial beachrock based on urease microbial activities for coastal risk prevention Open
We investigated the occurrence and precipitation of cementation carbonate based on rock materials, then we applied to make artificial with biocementation microbes as reagent. The microbial induced carbonate precipitation (MICP) comprised o…
View article: Identification of slip surface based on geoelectrical dipole-dipole in the landslides hazardous area of Gedangsari District, Gunungkidul Regency, Province of Daerah Istimewa Yogyakarta, Indonesia
Identification of slip surface based on geoelectrical dipole-dipole in the landslides hazardous area of Gedangsari District, Gunungkidul Regency, Province of Daerah Istimewa Yogyakarta, Indonesia Open
Landslides problems that often occurred at Mertelu Village, Gedangsari District, Gunungkidul Regency, DIY are caused by several factors. In addition to the fact that the village is located in a fairly steep area, there is also a slip surfa…
View article: Estimation of Existence Geothermal Manifestation Using Very Low Frequency (VLF) Method in the PagerkandangVulcanic, Dieng, Central Java
Estimation of Existence Geothermal Manifestation Using Very Low Frequency (VLF) Method in the PagerkandangVulcanic, Dieng, Central Java Open
Very Low Frequency (VLF) measurement has been done at Pagerkandang Volcanic, Dieng Volcanic Complex (DVC) to examine the possible existence of conductive zones that related with geothermal manifestation. VLF – EM survey used tilt mode with…
View article: Identifying the Distribution of Alteration Zone Using Very Low Frequency Method in Candi Gedong Songo, Ungaran, Semarang, Central Java
Identifying the Distribution of Alteration Zone Using Very Low Frequency Method in Candi Gedong Songo, Ungaran, Semarang, Central Java Open
The alteration zone could be a key link and a proof to know where the paleo heat source was previously located. An electromagnetic survey to identify and to map the lateral and vertical distribution of alteration zone had been done at geot…
View article: Application of Time Domain Induced Polarization (TDIP) Methods to Metallic Minerals Prospect on Kasihan Region, Pacitan Regency, East Java, Indonesia
Application of Time Domain Induced Polarization (TDIP) Methods to Metallic Minerals Prospect on Kasihan Region, Pacitan Regency, East Java, Indonesia Open
Metallic mineral exploration activities primarily base metals often have problems because the resources of metallic minerals located below surface are associated with the surrounding rock. Application of Induced Polarization method was car…
View article: Perbandingan Survei dan Analisis Data Geolistrik Sounding Daerah Pantai dan Pegunungan Studi Kasus Penyelidikan Air Tanah di Kabupaten Kendal, Jawa Tengah
Perbandingan Survei dan Analisis Data Geolistrik Sounding Daerah Pantai dan Pegunungan Studi Kasus Penyelidikan Air Tanah di Kabupaten Kendal, Jawa Tengah Open
A geoelectrical method research have been done to find out the presence of aquifer at mountain and coastal area in Kabupaten Kendal, Central java, February 2008 using VES (Vertical Electrical Sounding) method, Schlumberger configuration. 2…