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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Kelautan Tropis Journal of Tropical Biodiversity and Biotechnology Jurnal Geosains dan Teknologi APPLIED RESEARCH ON CIVIL ENGINEERING AND ENVIRONMENT (ARCEE) Journal of Applied Geology Berita Sedimentologi JURNAL TEKNIK GEOLOGI : Jurnal Ilmu Pengetahuan dan Teknologi Jurnal Jalan Jembatan Scientific Contributions Oil and Gas
Didit Hadi Barianto
Department Of Geological Engineering, Faculty Of Engineering, Universitas Gadjah Mada, Jl. Grafika Bulaksumur No.2, Sleman, Yogyakarta 55284
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Transportation

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The Diversity of Ray-finned Fishes (Actinopterygii) in Plio-Pleistocene Java Donan Satria Yudha; Muhammad Ageng Prabowo; Rusyad Adi Suriyanto; Didit Hadi Barianto
Journal of Tropical Biodiversity and Biotechnology Vol 5, No 2 (2020): August
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.43694

Abstract

Java has been known in the world of Paleontology as a contributor to the findings of Homo erectus fossils, but there are still other fossil findings that have not been identified until now, especially fossil fishes of the subclass Actinopterygii. This research was conducted to recognize the diversity of the actinopterygians fishes in Plio-Pleistocene of Java and to determine the diagnostic characters of each taxon group of fossils in the Plio-Pleistocene of Java. The study was carried out using comparative anatomical methods with present-day specimens and fossil findings collection of the Laboratory of Bioanthropology and Paleoanthropology, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada; Bandung Geological Museum and Sangiran Early Man Site. The research found at least 8 species of fish fossils in Java which belong to three order, i.e., the order Siluriformes with 5 identified species: Bagarius gigas, Hemibragus nemurus, Clarias macrocephalus, family Ariidae with indeterminate genus or species, Plotosus canius, Clarias batrachus, and family Pangasiidae with indeterminate genus or species; the order Perciformes with two identified species: Anabas testudineus and Sphyraena crassidens; and the order Cypriniformes with one identified species: Osteochilus vittatus. Based on the fossil findings showed that the Java Island during the Plio-Pleistocene used to be a marine environment that gradually ascending into a lowland river which closes to mangrove swamps and estuaries while the ancient Bandung lake site was a lacustrine environment with calm currents and is overgrown with riparian vegetation.
Biostratigraphy and Paleobathimetry Microfossil Foraminera in the Sentolo Formation on the Jambon Line, Bantul Regency, Special Region of Yogyakarta Province Citayana Fani Refalta; Donan Satria Yudha; Didit Hadi Barianto
Journal of Tropical Biodiversity and Biotechnology Vol 7, No 1 (2022): April
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.62239

Abstract

Foraminifera microfossils can be used to determine the age of rocks and the depositional environment of an area. The research location is part of Sentolo Formation. Our stratigraphic data located on the Jambon section, Bantul Regency, Special Region of Yogyakarta Province. The appearance of the research area is in the form of well-exposed and ideal cliffs and the lithology of the formation has the potential for rock content rich in foraminifera microfossils. This is the reason for the microfossil analysis of planktic and benthic foraminifera in the study area. The purpose of this study is to determine the age and depositional environment. The research method was carried out by measuring the stratigraphic sections, sampling, and doing paleontological analysis based on planktic and benthic foraminifera. The results showed that the biostratigraphy can be divided into Globigerina venezuelana Zone (N18) & the Globorotalia plesiotumida Zone (N19), as well as the paleobathimetry, belongs to upper - lower bathyal.
THE USE OF FORAMINIFERA FOSSILS FOR RECONSTRUCTING THE YOGYAKARTA GRABEN, YOGYAKARTA, INDONESIA Didit Hadi Barianto; Pentatok Kuncoro; Koichiro Watanabe
Journal of Applied Geology Vol 2, No 2 (2010)
Publisher : Geological Engineering Department Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.217 KB) | DOI: 10.22146/jag.7256

Abstract

The Yogyakarta region is located in the southeastern part of Central Java, Indonesia. The region forms an elongated northeast – southwest-trending central depression bordered by two parallel faults in the west and east. These major faults divided the area into three parts, including the western, central and eastern parts. Herein, we investigate the relative uplift rate of the each part by using planktonic and benthonic foraminiferas. The foraminifera will show the initial position/datum of each part before uplift. Over sixty samples (primarily limestones and marls) were taken for this research. The uplift rates of each part were different and created a depressed block control by way of parallel faults. Based on foraminifera fossil observations, each block was in the same depositional environment (inner neritic) during N9. The present positions indicate that the western part was uplifted higher than the others, with this part being uplifted more than 590 meters. The central part was uplifted less than 120 meters, and the eastern part was uplifted above an altitude of 170-300 meters. Keywords: Foraminifera fossil, planktonic, benthonic, graben, uplift
Stability Analysis of Cut Slope Using RMR and SMR Tri Puji Astuti; I Gde Budi Indrawan; Didit Hadi Barianto
Applied Research on Civil Engineering and Environment (ARCEE) Vol. 3 No. 03 (2022): Resilience in Construction
Publisher : POLITEKNIK NEGERI JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/arcee.v3i03.4783

Abstract

The Planjan - Tepus road is built on a slightly steep karst morphology, necessitating slope excavation works. Slope stability is one of the elements to consider, particularly in slope excavation work. The excavation depth of the slopes sampled in this research is up to 48 meters. It is critical to undertake slope stability analysis quickly, precisely, and safely. For rapidly examining slopes, empirical approaches such as Rock Mass Rating (RMR) and Slope Mass Rating (SMR) can be utilized. An examination of the limit equilibrium method was performed using Rocscience Slide v.6.0 software to assure the slope stability level further. The limit equilibrium method used is Morgenstern-Price and Spencer. The value of slope stability analysis using the RMR method is 41-53, and the rock mass quality is categorized as class III (fair). The value of slope stability analysis using the SMR method 41-53, the rock mass quality is categorized as class III (normal), with slope stability in partially stable conditions. Slope stability using the limit equilibrium method produces a safety factor value of 1.670 - 1.680 for conditions without seismic loads and 1.137 - 1.154 for conditions with seismic loads. According to the findings of this analysis, the slope is in stable (safe) conditions.
Planktonic Foraminifera Biozonation of the Middle Eocene-Oligocene Kebo Formation, Kalinampu Area, Bayat, Klaten, Central Java Dian Novita; Didit Hadi Barianto; Moch. Indra Novian
Berita Sedimentologi Vol 31, No 1 (2014)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7220.658 KB) | DOI: 10.51835/bsed.2014.31.1.125

Abstract

Research on foraminifera from the Paleogene volcanoclastics-dominated Kebo Butak Formation of Central Java is limited. A study was conducted in the Kalinampu and surrounding areas of Bayat, Klaten, Central Java. The study included measuring of three stratigraphic sections and geological mapping. The study area contains the Nampurejo pillow lava, which is considered to be the base of the Kebo-Butak Formation (part of the 'Old Andesites' complex of South Java), but its Middle Eocene age is older than previously assumed.Correlation and biozone interpretation allowed the recognition of 12 planktonic foraminifera zones, ranging in age from Middle Eocene (P11) to Early Miocene (N5). Depositional environments are all deep marine, ranging from lower bathyal to upper bathyal.
ANALISIS MIKROFASIES BATUGAMPING FORMASI WUNGKAL-GAMPING JALUR PADASAN, GUNUNG GAJAH, BAYAT, KLATEN, JAWA TENGAH Diana Rahmawati; Didit Hadi Barianto; Wartono Rahardjo
JURNAL TEKNIK GEOLOGI : Jurnal Ilmu Pengetahuan dan Teknologi Vol 5, No 1 (2022): Jurnal Teknik Geologi : Ilmu Pengetahuan dan Teknologi
Publisher : Teknik Geologi Fakultas Teknik Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (959.646 KB) | DOI: 10.30872/jtg.v5i1.8065

Abstract

Formasi Wungkal-Gamping merupakan formasi batuan sedimen tertua di Pulau Jawa yang tersingkap ke permukaan. Formasi ini beranggotakan batupasir, napal, serta lensa batugamping yang kaya akan kandungan fosil foraminifera besar mewakili umur Eosen Tengah hingga Eosen Akhir (Rahmawati, 2019). Analisa mikrofasies dilakukan berdasarkan pengamatan petrografis sayatan tipis batugamping dengan berfokus kepada jenis, ukuran dan asosiasi komponen penyusun batugamping serta kelimpahannya. Berdasarkan analisis yang dilakukan pada studi ini, didapatkan 4 tipe standar mikrofasies yang berkembang di Formasi Wungkal-Gamping yaitu Nummulites-Planocamerinoides grainstone, fasies Nummulites-Planocamerinoides rudstone, fasies Nummulites grainstone, dan fasies Nummulites rudstone. Dasar dari penetapan tipe standar mikrofasies ini sangat penting guna melakukan interpretasi lingkungan pengendapan dan rekonstruksi paleogeografinya.
Biostratigraphy and Climate Change in the Late Miocene Age Based on Foraminifera in the Oyo Formation, Oyo River Section, Gunung Kidul, Yogyakarta Adesti Audina Ulfah; Akmaluddin Akmaluddin; Didit Hadi Barianto
Journal of Tropical Biodiversity and Biotechnology Vol 8, No 2 (2023): August
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.81769

Abstract

The date of the paleoclimate event was ascertained using a biostratigraphic analysis. The thickness of the Oyo Formation was measured using measurements with a Jacob stick method, yielding a thickness of 80.8 meters and 23 rock samples. In the Southern Mountains Zone,  new result of the age of the upper part of the Oyo Formation by biostratigraphy investigation of the hill Late Miocene (9.79 Ma to 5.78 Ma). Biostratigraphic investigation in the Oyo River revealed 28 species and 9 genera, with two datums. The study area was classified into three biozonations based on the datum found Globorotalia acostaensis/M13a/N16 zone, the lower Globorotalia plesiotumida/M13b/N17 zone, and the upper Globigerinoides conglobatus/M14/N17 zone. The results of a paleoclimate analysis on the Oyo River Section show a general cooling tendency in the study area. Seven paleoclimate zones can be determined from these trends consisting of four warm and three cold zones. Zone I (warm), zone II (cold), zone III (warm), and zone IV (cold) have the coldest peak in the study region in 8.3 Ma, zone V (warm), and zone VI (cold), followed by zone VII (warm). Based on the correlation with other studies (South China Sea, Pacific Ocean, Oyo River, Ngalang River, and Ngioro Section), paleoclimate events in the study area occur globally. 
KARAKTERISASI MASSA BATUAN DAN EVALUASI KESTABILAN LERENG DENGAN METODE NUMERIK PADA RUAS JALAN PLANJAN–BARON–TEPUS Tri Puji Astuti; I Gde Budi Indrawan; Didit Hadi Barianto
Jurnal Jalan-Jembatan Vol 39 No 2 (2022)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This research aims to evaluate the stability of the slope by considering the rock mass characterization. The research location was conducted on the Planjan–Baron–Tepus section at STA 7+000 to STA 9+725, with limestones dominating the lithology. The data collection method begins with determining rock mass quality based on rock mass classification using the Geological Strength Index (GSI) of limestone introduced by Marinos (2010). The results of testing the physical and mechanical properties of rocks and the quality of rock mass will be used as input parameters in the slope stability analysis. The results showed that the rock mass quality in the research area varied from "good" condition at STA 9+075, "fair" condition at STA 7+825, to "poor" condition at STA 8+475. Based on the slope stability analysis using the finite element method and the Generalized Hoek-Brown failure criteria, the result of the slope analysis at three locations representing the rock mass quality was a stable (safe) condition without seismic loads and with seismic loads. Key words: slope stability, rock mass quality, geological strength index, limestone, finite element method.
Heating Experiments on Benthic Foraminifera Ammonia sp. to Assess the Suitability of Amino Acid-Based Dating Hidayat, Rahmadi; Barianto, Didit Hadi; Surjono, Sugeng Sapto; Ali, Che Aziz
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 29, No 3 (2024): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.29.3.293-300

Abstract

Sub-milligram fossil biominerals, mainly benthic foraminifera, have been recently used to estimate the age of sediments determined from amino acid dating due to the minimum sample size requirement for reverse-phase high-performance liquid chromatography (RP-HPLC). This includes the collection of Ammonia sp., known as a key species occupying restricted lagoonal environments. However, an experiment has not been conducted to understand the racemization kinetics in order to examine the reliability of this species for amino acid racemization (AAR) geochronology. This research aims to determine the trend of the extent of racemization and the amino acid concentration, leading to the recommendation of Ammonia sp. shells as a dating specimen. The results exhibit a predictable pattern, demonstrating a consistently increasing extent of racemization after oven heating for up to 168 h without any indication of reversal pattern. The racemization rate differs from four selected amino acids reported in this study, where aspartic acid is the fastest, followed by glutamic acid, valine and isoleucine epimerization. Moreover, the consistent proportion of total amino acid and the decline of amino acid concentrations can be clearly observed following exponential decay. Therefore, this foraminifer can be used as an alternative specimen to establish amino acid-based geochronology, particularly in the depositional environment lacking other microfossils. Due to its confined habitat, amino acid-based dating of Ammonia sp. is considered applicable to understand the small environmental changes related to marginal marine successions.
Nannoplankton Biostratigraphy from Banggai-Sula Basin, Central Sulawesi Nurhidayah, Efrilia Mahdilah; Akmaluddin, Akmaluddin; Barianto, Didit Hadi; Husein, Salahuddin; Saripudin, Asep
Journal of Tropical Biodiversity and Biotechnology Vol 9, No 1 (2024): March
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.85308

Abstract

The nannoplankton research was conducted in the MH-2 well, Banggai-Sula Basin, Central Sulawesi. Thirty-four ditch-cutting samples were utilized to observe the Minahaki, Kintom, and Biak Formations. Age determination was carried out using biostratigraphy method and standard procedure for first and last occurrence of nannoplankton biodatum and had an absolute age, widely known as a zone indicator.  This study aims to determine the age and nannoplankton biozonation of each geological formation in Banggai-Sula Basin. Based on the biostratigraphic analysis, 39 species from 14 genera with abundance frequencies ranging from rare to abundant were found in the MH-2 well. In this study, new results of the age of Banggai-Sula Basin areMiddle Miocene – Early Middle Pliocene (13,706 – 3,727 Ma), and can identify into six calcareous nannoplankton zones that are more detailed than previous researchers, Discoaster signus zone (NN5), Discoaster exilis zone (NN6-NN7), Discoaster berggrenii zone (NN11), Ceratolithus acustus zone (NN12), Helicosphaera sellii zone (NN13-NN15), and the Discoaster tamalis zone (NN16). Biostratigraphic data also shows new information for the first time, the absence of three zones from zone NN8 to zone NN10. This result indicates an unconformity in the Late Miocene age (10.606–8.20 Ma). 
Co-Authors Adesti Audina Ulfah Agus Hendratno Agustin, Muhammad Virgiawan Akmaluddin Akmaluddin Akmaluddin Akmaluddin Akmaluddin Akmaluddin Akmaluddin Akmaluddin Ali, Che Aziz Banti T. Tampubolon Banti T.Tampubolon Citayana Fani Refalta Dalimunthe, Hasnan Luthfi Dian Novita Diana Rahmawati Diana Rahmawati Donan Satria Yudha Donan Satria Yudha Dwikorita Karnawati E.S., Sunjaya Husein, Salahuddin I Gde Budi Indrawan Inderawan, Gde Budi Koichiro Watanabe Koichiro Watanabe, Koichiro Kuncoro, Pentatok Mochammad Indra Novian Muhammad Ageng Prabowo Muhammad I. Novian Muhammad I.Novian Muhammad Virgiana A Muhammad Virgiana A Novian, Muhammad I. Nugroho I. Setiawan Nugroho I. Setiawan Nurhidayah, Efrilia Mahdilah Pentatok Kuncoro Putra, Bagaskara Wahyu Purnomo Rahardjo, Wartono Rahmadi Hidayat Rusyad Adi Suriyanto Salahuddin Husein Salahuddin Husein Saripudin, Asep Setiawan, Nugroho I. Sudarno, Ignatius Sugeng Sapto Surjono Sunjaya E.S. Sunjaya E.S. Tampubolon, Banti T. Tri Puji Astuti Tri Puji Astuti Virgiana A, Muhammad Wahyu Wilopo Wartono Rahardjo Wirakusuma, Fadhil