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All Journal Indonesian Journal of Geography Bulletin of Scientific Contribution : Geology Journal of Tropical Soils IJOG : Indonesian Journal on Geoscience Journal of Degraded and Mining Lands Management Techno LPPM Journal of Geoscience, Engineering, Environment, and Technology EnviroScienteae Jurnal Mineral, Energi dan Lingkungan Pharmed: Journal of Pharmaceutical Science and Medical Research KURVATEK Jurnal Mineral, Energi dan Lingkungan Indonesian Journal on Geoscience Indonesian Journal on Geoscience Journal of Earth and Marine Technology (JEMT) Jurnal Pengabdian Teknologi Tepat Guna International Journal of Science and Society (IJSOC) Jurnal Locus Penelitian dan Pengabdian Prosiding Seminar Nasional Teknologi Industri Berkelanjutan Petro : Jurnal Ilmiah Teknik Perminyakan Jurnal Indonesia Sosial Teknologi Jurnal Ilmiah Geologi pangea Asian Journal of Social and Humanities
Dwi Fitri Yudiantoro
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Journal : journal of geoscience engineering environment and technology

 1 
The Geology and Lamongan Volcanic Rocks Case Study at Ranu Pakis, Klakah, Lumajang, East Java Province, Indonesia Dwi Fitri Yudiantoro; Ramonada Taruna Perwira; Muchamad Ocky Bayu Nugroho
Journal of Geoscience, Engineering, Environment, and Technology Vol. 4 No. 4 (2019): JGEET Vol 04 No 04: December 2019
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3182.006 KB) | DOI: 10.25299/jgeet.2019.4.4.2456

Abstract

Lamongan volcano is one of the unique volcanoes in the Sunda Volcano. This volcano has side eruption centers or on the slopes of the volcano. The morphology of parasitic eruptions in this volcanoes complex includes maars and boccas. There are about 64 parasitic eruption centers consisting of 37 volcanic cones (bocca) and 27 ranu (maar). The purpose of this research is to study the characteristics of lithology and petrogenesis of this volcano complex, especially in Ranu Pakis and surrounding areas. The analytical method used is to do geological mapping and petrographic analysis. The lithology found in this research area consists of magmatic and phreatomagmatic eruption deposits. Genetically this lithology includes pyroclastic flow, pyroclastic fall (scoria fall and phreatomagmatic scoria fall/accretionary lapili), tuff (phreatic) and basaltic lava. In some pyroclastic deposits, especially in maar there are fragments of accretionary lapilli, while in bocca there are basaltic lavas. Other fragments present in pyroclastic deposits are basalt scoria blocks and bombs embedded in the groundmass of volcanic ash. The results of petrographic analysis indicate that the volcanic rocks in the study area are calc alkaline affinity consisting of pyroxene andesite, basalt and pyroxene basalt lava. The pyroxene basalt lava is composed by plagioclase, clinopyroxene and little olivine embedded in the volcanic glass. Lavas are structured scoria and textured porphyritic, intersertal, trachytic, aphyric and pilotaxitic. Trachytic texture is found in the basalt fragments of pyroxene from the pyroclastic fall deposits in Ranu Pakis and Ranu Wurung. While pyroxene andesite lavas composed by plagioclase, clinopyroxene embedded in the volcanic glass. Lavas are structured scoria and textured porphyritic, intergranular, pilotaxitic and aphyric.
Evolution Magmatism of Nagasari Volcano Dieng, Central Java, Indonesia Dwi Fitri Yudiantoro; Intan Paramita Haty; Setia Pambudi; Elisabet Magdalena; Armala Putri; I. Takashima; M. Abdurrachman
Journal of Geoscience, Engineering, Environment, and Technology Vol. 7 No. 4 (2022): JGEET Vol 07 No 04 : December (2022)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2022.7.4.10084

Abstract

Nagasari Volcano, part of the Dieng volcanic complex, is one of the unique volcanoes in Central Java. Around this volcano grow eruption craters, volcanic cones, and pyroclastic flow ridges. There were several 14 eruption centers around Mount Nagasari, so it is necessary to know the development of magmatism evolution. The aims of the research to determine the evolutionary development of magmatism. The methodology used is geological mapping and petrographic analysis. The observations of rocks found in the study area include andesite lava, lapilli-tuff, fallen pyroclastic breccias, and flow pyroclastic breccias. Meanwhile, geological mapping and petrographic observations of volcanic rock samples show that the evolution of magmatism in the study area from the oldest to the youngest is basaltic magma that formed Prau Volcano in the pre-caldera period. On the other hand, magmatism in the post-caldera I period was of the type of pyroxene andesite forming the Gembol to Jimat Volcano group. In contrast, in the post-caldera II period, the hornblende-biotite andesite group formed the Dieng Kulon to Kendil group.
A Hydrogeochemistry Analysis for Quality Determination of Shallow Karstic Groundwater in Western Tuban, Indonesia Pambudi, Setia; Sulistijo, Budi; Iskandar, Irwan; Yudiantoro, Dwi Fitri; Haty, Intan Paramita; Ekasara, Adam Raka; Afrilita; Yoni, Dian Rahma; Pratomo, Septyo Uji
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 04 (2024): JGEET Vol 09 No 04 : December (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.04.15926

Abstract

Groundwater hydrogeochemistry and water quality assessment have been conducted in western Tuban, Indonesia, which is characterized by its karstic features based on physicochemical parameters (pH, electric conductivity, total dissolved solids, hardness, Ca2+, Mg2+, Fe3+, Mn2+, K+, Na+, Li+, NH4+, HCO3-, Cl-, SO42-, NO2-, and NO3-) from 25 shallow groundwater samples. The Piper diagram implies the groundwater is of HCO3–Ca+Mg type with some Na+K–SO4+Cl type meaning that the groundwater in Western Tuban is influenced by the silicate minerals weathering, the dissolution of carbonate lithology, and seawater intrusion. Durov diagram shows that the evolution of groundwater is influenced by ion exchange with clay minerals and by mixing with seawater. The Gibbs diagram indicates that the change in the chemistry and quality of groundwater is caused by a dominance of rock-water interaction in the Western Tuban. The water quality assessment based on the USSL and Wilcox diagrams indicates a high level of salinity and relatively low sodium, meaning that the suggested crops should have good salt tolerance, and the cultivated soil should still be able to handle the relatively low sodium level for irrigation.
The Water Chemistry Geothermal of Ranang-Kasimbar Hot Springs, Parigi Moutong Regency, Central Sulawesi, Indonesia Anna Yushantarti; Dudi Hermawan; Dwi Fitri Yudiantoro
Journal of Geoscience, Engineering, Environment, and Technology Vol. 11 No. 02 (2026): JGEET Vol 11 No 02 : June (2026)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2026.11.02.27024

Abstract

The Ranang-Kasimbar geothermal system in Central Sulawesi is located within the West Sulawesi Mandala, an area significantly influenced by the active tectonic zone of the Palu-Koro Fault that controls the emergence of surface manifestations. This study aims to characterize the water chemistry of the Ranang-Kasimbar hot springs through surface geological mapping and fluid geochemical analysis, which includes cation-anion analysis, stable 18O and 2H (D) isotopes, and geothermometer calculations for subsurface temperature estimation. The geological conditions of the study area are composed of Cretaceous-Eocene metamorphic rocks, Tertiary intrusive rocks, and Quaternary sedimentary rocks, with structural controls in the form of north-south trending strike-slip faults and a normal fault system that forms a central depression zone as controls for the emergence of manifestations. Field data identified hot springs with surface temperatures ranging from 55–61°C and alkaline pH (~9). Geochemical analysis results classify the geothermal fluid as a chloride type indicating a deep reservoir origin, with a Cl/B ratio indicating strong interaction with igneous rocks and partial equilibrium conditions. Isotope analysis indicates a dominant mixing with meteoric water with very low oxygen-18 enrichment. Reservoir temperature estimation using a Na-K geothermometer and a silica-enthalpy mixing model indicates a minimum temperature of 130°C, thus categorizing it as a medium enthalpy system. This geothermal system is controlled by secondary permeability from normal and strike-slip fault structures, with the heat source suspected to originate from residual heat from Plio-Pleistocene andesitic intrusions.
The Content Of Heavy Metal In Turmeric (Curcuma Domestica Val.) In The Volcanic Rocks Oligocene-Miocene Volcano, Biting Wonogiri, Central Java, Indonesia Yudiantoro, Dwi Fitri; Soesilo, Joko; Basuki Rahmad; Haty, Intan Paramita; Radityo Prakoso; Muhammad Nurcholis; Mirzam Abdurrachman; Wikaningrum, Temmy
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 3 (2024): JGEET Vol 09 No 03 : September (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.3.14896

Abstract

The Biting Wonogiri area is an area composed of Oligocene-Miocene volcanic deposits and volcanic deposits from Lawu Volcano. The rocks in this area consist of pyroclastic rocks, volcanic breccia, and dacite intrusions. Residents in this area more commonly grow herbal plants such as turmeric. Turmeric plants are mostly planted on old volcanic rocks, namely the Oligocene-Miocene age. By studying the planting patterns of residents, an analysis was carried out regarding the heavy metal chemical elements contained in turmeric. The research methodology was carried out using geological mapping to determine the distribution of the rocks that make up the research area and AAS analysis (Atomic Absorption Spectroscopy). This AAS method is used to determine heavy metal content. The heavy metal elements analyzed in turmeric were Hg, Pb, As, Fe, Al, and Mn. From the analysis results it was found that the heavy metal elements Hg, Pb, and As had very low levels, namely around 0.005-0.400 mg/Kg. Meanwhile, the elements Al, Fe, and Mg have high contents. Turmeric grown on dacite and volcanic breccia has higher Al (622.3-1362.76 mg/Kg) and Fe (271.32-806.27 mg/Kg) content compared to turmeric planted on sedimentary rock. Meanwhile, the metal element Mn varies around 6.85-122.01 mg/Kg. By knowing the content of these Western metal elements, it is hoped that turmeric, which contains heavy metal elements, can be used as a superior herbal herbal medicine. These metal elements, which are very important nutrients, come from old volcanic rocks.
Co-Authors Abdurrachman, Mirzam Afrilita Ahmad Bagus Dianputra Aji, Krishna Amalia Suciati Andy Wijaya Anjarwati, Retno Anna Yushantarti Arifudin Idrus Armala Putri Arum Suproborini Arum Suproborini Asfahani M. G. Bambang Prastistho Bambang Pratisho Basuki , BASUKI RAHMAD Brany Kurnianto Budi Sulistijo Budiman, Subhan Arif C Prasetyadi C. Prasetyadi Choiriah, Siti Umiyatun Darban - Haryanto Darban Haryanto Demi Ganjar Sampurno Dewi Sri Sayudi Dewi Sri Sayudi Dian Fiantis Dudi Hermawan Dyah Rini Ratnaningsih Dyah Rini Ratnaningsih Ekasara, Adam Raka Elisabet Magdalena Gary Artha Widyananda Handoko Teguh Wibowo Handoko Teguh Wibowo I. Takashima Ikhsan, Ismail Da'imul Intan Paramita Haty Intan Paramita Haty Intan Paramita Haty Intan Paramita Haty Intan Paramita Haty Isao Takashima Isao Takashima Kapid, Rubiyanto Kusumayudha, Sari Bahagiarti Ladesta, Aldis M. Abdurrachman Mahreni Mahreni Mochamad Soeprijadi Djoko Laksana Mochamad Soeprijadi Djoko Laksana, Mochamad Soeprijadi Djoko Mohammad Apriniyadi Mohammad Nurcholis, Mohammad Muchamad Ocky Bayu Nugroho Muhammad Nurcholis Muhammad Nurcholis Muhammad Syaifudin Muhammad Syaifudin Nurnaning Aisyah Nurnaning Aisyah Prasetyadi, C Prasetyadi, Carolus Prastistho, Bambang Pratomo, Septyo Uji Puji Pratiknyo Purwanto Purwanto Radityo Prakoso Raharjati, Ni'matul Azizah Ramonada Taruna Perwira Retno Anjarwati Retno Anjarwati Richzkey Muhammad Rubiyanto Kapid Rubiyanto Kapid Rubiyanto Kapid Setia Pambudi Setiawati, Tri Candra Setyorini, Dyah Ayu Soesilo, Joko Sri Aminah Suwartikaningsih Suherman Dwi Nuryana Sunarto Sunarto Suproborini, Arum - Susila Herlambang Sutarto Sutarto Sutarto Sutarto Sutarto Sutarto Suwartikaningsih, Sri Aminah Temmy Wikaningrum Wibowo, Handoko Teguh Wiryanto Wiryanto Wisnu Ismunandar Yatini Yoni, Dian Rahma Yuda, Himes Fitra