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All Journal Jurnal RISET Geologi dan Pertambangan Jurnal Geosains dan Teknologi Angkasa: Jurnal Ilmiah Bidang Teknologi Jurnal Abdi Insani Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII
Fatimah Fatimah
Institut Teknologi Nasional Yogyakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Transportation

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AQUIFER MAPPING BASED ON STRATIGRAPHIC AND GEOELECTRICAL DATA ANALYSIS IN BEDOYO REGION, GUNUNG KIDUL REGENCY, YOGYAKARTA SPECIAL REGION Fatimah Fatimah; Al Hussein Flowers Rizqi; Waskita Murti Bambang Yudhana
JURNAL RISET GEOLOGI DAN PERTAMBANGAN Vol 31, No 1 (2021)
Publisher : Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/risetgeotam2021.v31.1137

Abstract

The research area is a high karst area composed of carbonate rocks, where drought occurred almost every year. This study aimed to determine water availability in aquifer rocks by analyzing the surface geology and subsurface layers (geophysical method). We used the Schlumberger configuration in the geoelectric method at four locations in the study area to determine the resistivity value of the rocks beneath the surface. The results revealed that the site comprises tuff, crystalline limestone, layered limestone /chalky, and gravel to clay deposits. An aquifer was only found in Asem Lulang Village, which has a wedge layer with a thickness of 59 meters and thinned down to 5 meters towards the village of Ngalas Ombo. The value of the resistivity aquifer ranges from 0.18 to 9.18 ohm.m. The existence of that aquifer could indicate that the aquifer is only found in weakly undulated  
Tipe fluida hidrotermal sepanjang manifestasi panas bumi di daerah Ungaran dan sekitarnya Paramitha Tedja Trisnaning; Fatimah Fatimah
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 13, No 2 (2021): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (764.672 KB) | DOI: 10.28989/angkasa.v13i2.944

Abstract

Bagian timur–selatan kaki Gunung Ungaran, Jawa Tengah dikenal sebagai daerah prospek panasbumi dengan manifestasi panasbumi matair hangat – panas. Masyarakat maupun pemerintah setempat, memanfaatkan manifestasi tersebut sebagai area wisata ataupun pemandian/kolam air panas yang dapat dijumpai di area wisata Candi Gedongsongo, Diwak, Derekan, Kaliulo, dan Banaran. Manifestasi matair panas muncul di permukaan dengan suhu dan karakteristik yang berbeda. Hal ini dimungkinkan karena adanya perbedaan tipe fluida hidrotermal, sehingga menarik dilakukan penentuan tipe fluida hidrotermal berdasarkan kandungan anionnya—Cl-, SO42-, dan HCO3-. Fluida hidrotermal muncul di permukaan sebagai air alkali klorida, air asam sulfat, air asam sulfat–klorida, dan air bikarbonat. Hasil analisis konsentrasi anion pada ke-lima lokasi, menunjukkan konsentrasi Cl- tertinggi ± 4.475 ppm dijumpai pada matair panas Diwak dengan konsentrasi HCO3- 127 – 500 ppm dan SO42- relatif rendah. Tipe fluida hidrotermal mataair panas Gedongsongo, Derekan, Kaliulo, dan mataair Banaran berupa Air Bikarbonat, serta mataair panas Diwak berupa Air Klorida.
Dolines Phenomenon Determination Using by Geological and Geoelectrical Resistivity Survey Approach in Bedoyo Village, Ponjong Subdistrict, Gunung Kidul Regency Fatimah Fatimah; alhussein flower rizqi
Jurnal Geosains dan Teknologi Vol 5, No 2 (2022): Juli 2022
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jgt.5.2.2022.130-139

Abstract

Gunung Kidul Regency is a highland consisting of carbonate rocks dominantly. Bedoyo village in Ponjong sub district has a lot of dolines, but in the summer season, the dolines become dry and could not be water storage. Geological mapping is included in geomorphological, rock observation, structural mapping also petrographical analysis in the laboratory. A Geophysics survey is to observe the subsurface rock distribution laterally and vertically with dipole-dipole configuration. The resistivity method is to determine the resistivity value for the depth of fewer than 40 meters with the length of electrodes of about 250 meters. The result of the geological and geophysical analysis is to review the dolines phenomenon that could not be a shallow aquifer. It is caused by the subsurface condition beneath the dolines consisting of carbonated rocks with poor porosity, lenses of impermeable tuffaceous claystone, and igneous rock. Those rock basements have a moderate to poor porosity in the aquifer. The less opportunity to be a good aquifer if the deeper rock is an impermeable igneous rock. An alternative geophysical survey is needed to observe the deeper rock vertically.
Penentuan Batuan Alas dan Batuan Penyekat berdasarkan Metode Geolistrik Konfigurasi Dipole-Dipole pada Telaga Gesing, Pucanganom, Kabupaten Gunung Kidul Al Hussein Flowers Rizqi; Fatimah
Retii 2020: Prosiding Seminar Nasional ReTII ke-15
Publisher : Institut Teknologi Nasional Yogyakarta

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

Abstract

The presence of dolines at Gunung Sewu Karst are relatively has many variations. The shape and dimention of dolines could be affected by the surrounding rocks. This research is focused on identify of seal rock at Gesing doline, Pucanganom, Gunung Kidul based on geological surface and geological subsurface using geolectrical with dipole-dipole configuration. The geological surface conducted in detail observation of outcrop in geological field. The subsurface geological data conducted to delineated tha seal rock layer based on result of processing from Res 2 dinv software. The result of geological data such as the presence of tuffaceous layer at base of doline that has a direction layer at N 30oE / 8o. The result of petrographical analysis showed that the rock contained the glass composition about 73% that rock named by Vitric Tuff. The result of paleontological analysis showed the rock age at N 5 (Early Miocene) that could be correlated to regional stratigraphy with Semilir Formation. The presence of tuffaceous at base of doline could be interpreted as seal rock of Gesing doline. Keyword: Seal rock, tuff, Gesing Doline, Gunung Kidul, geoelectrical
PENDAMPINGAN PEMBUATAN PETA RAWAN KEBENCANAAN GUNUNG MERAPI DESA KLAKAH, SELO, BOYOLALI Fatimah Fatimah; Ayu Candra Kurniati; Paramitha Tedja Trisnaning
Jurnal Abdi Insani Vol 10 No 4 (2023): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v10i4.1139

Abstract

Service to villages affected by disasters is part of the government's efforts and conscience in reducing the risk of loss of life and the risk of material loss. This service was carried out in Klakah, Selo, Boyolali which was the KRB III eruption of Mount Merapi. The village government is trying to create a map of geological disaster vulnerability and regional planning, namely from regional planning (PWK). This map was created from primary data and secondary data to provide an image and analysis of the vulnerability of Klakah village. The aim is to create a disaster vulnerability map on a village scale with a population of around 3000 people. Provide information on the vulnerability of the Klakah area from disasters that have occurred and the geological condition of the Klakah village area. The method for implementing community service is to conduct a focus group discussion with the relevant government, namely Klakah village officials. Collect data, both population and regional data. Conduct surveys or field observations by looking at natural conditions in terms of geography and geology. This discussion forum succeeded in collecting secondary data in the form of regional data and population data. Primary data collected were temporary gathering points and evacuation routes to the village office. Data on rivers, rice fields and roads. This secondary and primary data will later be processed with ArGIs. The results will be regional maps and geological maps. The combination of regional and geological for this service is in the form of a disaster map at the Klakah village scale by dividing it into three disaster vulnerability zones from very vulnerable, moderately vulnerable and vulnerable. The results of the classification resulted in an analysis of the vulnerability of the Klakah area to eruptions. It is hoped that the Klakah village government can bridge the understanding of evacuation maps. The public can use the map as a guide to mitigating the Merapi eruption disaster.
Co-Authors Al Hussein Flowers Rizqi alhussein flower rizqi Ayu Candra Kurniati Paramitha Tedja Trisnaning Waskita Murti Bambang Yudhana