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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 SAINS TANAH - Journal of Soil Science and Agroclimatology 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 International Journal of Hydrological and Environmental for Sustainability Petro : Jurnal Ilmiah Teknik Perminyakan Jurnal Ilmiah Geologi pangea Asian Journal of Social and Humanities
Dwi Fitri Yudiantoro
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation

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Reanalysis LUSI Stratigraphic Based on Cutting of Banjarpanji#1 Well Wibowo, Handoko Teguh; Prastistho, Bambang; Prasetyadi, C; Yudiantoro, Dwi Fitri
Journal of Earth and Marine Technology (JEMT) Vol 3, No 1 (2022)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2022.v3i1.3602

Abstract

The subsurface configuration or stratigraphy of the Sidoarjo Hot Mudflow (Lumpur Sidoarjo/LUSI) is used to see what formations are transported out and how the material properties can be known from the well log data of Banjarpanji#1 or BJP#1 well. There is something unusual about the BJP#1 log, namely the presence of solid volcanic sandstone at a depth of 6000-9297 ft where drilling ended. This abnormality was investigated by reanalyzing volcanic sandstone by reading the well log data which is drilling data during the exploration of the Banjarpanji-1 well by PT. Lapindo Brantas, Inc. which consists of rock logs as a result of predictions (prognosis) and facts found (actual) were then compared with the interpretation of the results of the investigation team with BP MIGAS 2006 which was then confirmed by petrographic and paleontological analysis. The unusual occurrence is the LUSI stratigraphic arrangement changes based on findings in volcanic sandstone sequences that were once considered part of the Kalibeng Formation of Plio-Pliestocene age, then changed to solid volcanic sandstone units of Middle Miocene age with a depositional environment in the outer neritic-upper bathyal.
Geochemical and Mineralogical Insights into Hydrothermal Alteration in the Beruang Kanan Non-Vulcanic Area, Central Kalimantan, Indonesia Anjarwati, Retno; Sutarto, Sutarto; Yudiantoro, Dwi Fitri; Idrus, Arifudin; Umar, Emi Prasetyawati
International Journal of Hydrological and Environmental for Sustainability Vol. 4 No. 2 (2025): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v4i2.767

Abstract

Previous studies have revealed significant hydrothermal alterations within the Beruang Kanan Non-Volcanic Area, Central Kalimantan, Indonesia, resulting in extensive ore mineralizations. This study aims to examine the effects of hydrothermal processes on rock alteration, delineate alteration zones, and establish their relationship to metal mineralization. The research area, situated in the Tumbang Miri district of Gunung Mas regency, forms part of the Corrugated Hills Geomorphological Unit and is traversed by the Schwaner Mountains, with elevations ranging from approximately 50 to 400 meters. Stratigraphic analysis identifies three primary rock units, ordered from oldest to youngest: the Tuffaceous Sandstone Unit, the Dacitic Tuff Unit, and the Andesite Unit. Hydrothermal alterations have resulted in three distinct alteration zones sericitic, argillic, and propylitic characterized by secondary mineral assemblages. This study provides a comprehensive framework for understanding the geological and mineralization dynamics of non-volcanic hydrothermal systems in Central Kalimantan, Indonesia
Soil Layers Properties of a Profile Developed on the Past Depositional Series on Merbabu Volcano Central Java Indonesia Nurcholis, Mohammad; Herlambang, Susila; Suwartikaningsih, Sri Aminah; Fiantis, Dian; Yudiantoro, Dwi Fitri
JOURNAL OF TROPICAL SOILS Vol. 24 No. 2: May 2019
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2019.v24i2.53-63

Abstract

A wide and deep soil profile (around 1200 cm) was observed at Ketep Park West Slope of Merbabu volcano Central Java, Indonesia to identify the soil morphology, physical and, chemical and mineralogical properties.  Results showed that several soil development processes occurred in each volcanic deposits with different characteristics.  Most soil layers met some of andic soil properties criteria such bulk density <0.9 g.cm-3, P retention of >85%, and (Alo + ½ Feo) >2.0%.  A thin melanic material showing black color layer was found at the lower part of the soil profile, i.e. in depth from 726 to 798 cm.  The dominant material in most soil layers is an allophane.  Minerals in the sand fraction were dominated by labradorite and augite, with some layers were hypersthene and green hornblende.
PALEOTEMPERATURE INTERPRETATION BASED ON CALCAREOUS NANNOPLANKTON OF KEDUNG SUMBER RIVER SECTION, SOKO, BOJONEGORO, EAST JAVA Choiriah, Siti Umiyatun; Prasetyadi, Carolus; Kapid, Rubiyanto; Yudiantoro, Dwi Fitri; Syaifudin, Muhammad
Journal TECHNO Vol. 6 No. 1 (2020): November
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v6i1.4226

Abstract

Analysis of 64 samples taken from the Kedung Sumber River section represent of Kalibeng Formation, Atasangin Member, Klitik Member, Sonde Formation, and Pucangan Formation. The detail of nannoplankton analysis showing that temperature changes influenced to the growth of nannoplankton.  Result of this study reveals that a number of 32 zones paleotemperature change. Age of the Kalibeng Formation is Late Miocene to Early Pliocene (NN10-NN13), divided into nine zones: 1/warm, 2/cold, 3/transitional, 4/warm, 5/cold, 6/warm, 7/cold, 8/cold, 9/warm zone. Atasangin Member are divided into 3 zones: 10/cold, 11/warm, 12/cold zone. Age of this member is Early Pliocene (NN13-NN14). Klitik Member is Early Pliocene to Late Pliocene (NN14-NN17), and divided to 7 zones: 13/transitional, 14/warm, 15/cold, 16/warm, 17/cold, 18/warm zone. Age of Sonde Formation is NN18-NN20 (Late Pliocene to Early Pleistocene), have into 7 zones: 19/cold, 20/warm, 21/transitional, 22/cold, 23/transitional, 24/cold, 25/transitional, 26/ cold, 27/transitional zone, 28/warm, 29/cold zone. Pucangan Formation are divided into 3 zones: 30/warm, 31/transitional, 32/cold zone. Age of this formation is Pleistocene (NN20-NN21).
Study of Element Abundance in Volcanic Rocks in the Beruang Kanan Region, Gunung Mas Regency, Central Kalimantan Anjarwati, Retno; Sutarto, Sutarto; Yudiantoro, Dwi Fitri; Idrus, Arifudin
Asian Journal of Social and Humanities Vol. 2 No. 10 (2024): Asian Journal of Social and Humanities
Publisher : Pelopor Publikasi Akademika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59888/ajosh.v2i10.356

Abstract

Soil elements, based on their abundance in the earth's crust and petrogenetic analysis aim to divide soil elements into several groups, namely major elements, trace elements and rare earth elements (REE). The research location is located in the Beruang Kanan area, Tumbang Miri District, Gunung Mas Regency, Central Kalimantan Province. The major elements and trace elements of the host rock were obtained from X-ray fluorescence (XRF) analysis and Plasma-Coupled Mass Spectrometry (ICP-MS) methods. Volcanic rocks from the Kanan Bear prospect The volcanic magmatic affinity in the study area is calc-alkaline this chemical characteristic is clearly reflected by the type of volcanic rock which is determined based on its chemical classification, which is generally igneous rock of the calc-alkaline magma series type so it is interpreted to originate from a convergent tectonic environment continental edge.
Counseling Of Fluorosis, Utilization, And Clearance Of Fluor In Water, Desa Mojosari Kecamatan Asembagus Kecamatan Situbondo Suproborini, Arum -; Laksana, Mochamad Soeprijadi Djoko; Yudiantoro, Dwi Fitri; Ikhsan, Ismail Da'imul
JURNAL PENGABDIAN TEKNOLOGI TEPAT GUNA Vol 4 No 2 (2023): Teknologi Tepat Guna (JPTTG)
Publisher : Universitas Sahid Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47942/jpttg.v4i2.1408

Abstract

Dental fluorosis is a disorder of mottled or mottled enamel structure as a result of excess fluoride intake during tooth formation. Water is one source of fluorine. The purpose of this community service is to assist the community in improving dental health and preventing dental and bone fluorosis. The implementation of this community service uses lecture and discussion methods. The stages of this service include pretest, delivery of material, post test, and discussion sessions. Post test results show an increase in community knowledge. It is hoped that this increase in knowledge can be applied by the Mojosari village community in an effort to procure water to meet their needs. Keywords: fluorosis, fluorosis, Mojosari village
Affinity Study and Rock Types in the Beruang Kanan Area, Central Kalimantan Anjarwati, Retno; Sutarto, Sutarto; Yudiantoro, Dwi Fitri; Idrus, Arifudin
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 11 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i11.4847

Abstract

The mineralizing bearing rocks on the Right Bear prospect are andesite. Geochemical data of rocks indicate that they are classified as intermediate igneous rocks rich in silica. The composition of andesite silica is approximately 60% with a total alkali (Na+K) of about 3.6%. Based on this data, it is known that the dacite affinity is calc-alkaline. The volcanic rocks of the Right Bear prospect are primarily andesite. This study aims to determine the affinity of magma and geochemical characteristics of volcanic rocks in the Beruang Kanan area, Central Kalimantan, as the basis for the interpretation of tectonic settings and mineralization potential. Geochemical analysis was carried out using the X-Ray Fluorescence (XRF) method for the main oxide element and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for trace elements. Samples that have an LOI value of less than about 2% by weight are assumed to be unaltered or fresh rocks and these rocks are generally characterized by the presence of relative euhedral phenocrites and mineral grains and the absence of secondary hydrothermal minerals. The results of the comparison of Co and Th (Hastie, et al., 2007) on samples of fresh/slightly altered rocks and completely altered rocks are included in the affinity of magma of the alkaline limestone type. The results of the comparison of Zr/Y and Th/Yb (Ross & Bedard, 2009) show that samples of fresh rocks and altered rocks are included in the affinity of magma of the alkaline calcage series. Based on the results of the plotting of some of the above methods, it can be concluded that the magma affinity of the Beruang Kanan area belongs to the type of alkaline limestone which can be interpreted as being related to the within plate (in the plate) in the form of a continental expansion zone. This finding has important significance for the exploration of Cu-Au epithermal-porphyry mineralization in the Central Kalimantan region, given that rocks with calc-alkaline affinity in the within plate setting are often associated with economical mineralization systems.
Co-Authors Abdurrachman - Mirzam Afrilita Ahmad Bagus Dianputra Aji, Krishna Amalia Suciati Andy Wijaya Anjarwati, Retno Arifudin Idrus Armala Putri Arum Suproborini Arum Suproborini Asfahani M. G. Bambang Prastistho Bambang Pratisho Basuki , BASUKI RAHMAD Brany Kurnianto Budi Sulistijo 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 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 Irwan Irwan Isao Takashima Isao Takashima Kapid, Rubiyanto Kusumayudha, Sari Bahagiarti Ladesta, Aldis M. Abdurrachman Mahreni Mahreni Mirzam Abdurrachman Mirzam Abdurrachman Mirzam Abdurrachman 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 Prasetyawati Umar, Emi Prastistho, Bambang Pratomo, Septyo Uji Puji Pratiknyo Purwanto Purwanto Radityo Prakoso Raharjati, Ni'matul Azizah Ramonada Taruna Perwira 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 Suwartikaningsih, Sri Aminah Temmy Wikaningrum Wibowo, Handoko Teguh Wiryanto Wiryanto Wisnu Ismunandar Yatini Yoni, Dian Rahma Yuda, Himes Fitra