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All Journal Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal)
Gusti, Ugi Kurnia
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Agriculture, Biological Sciences & Forestry Chemistry Education Physics

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Kontrol Struktur Geologi Terhadap Distribusi Manifestasi Panas Bumi di Daerah Subang dan Sekitarnya, Kabupaten Kuningan, Provinsi Jawa Barat. Rastra, Rastra Yandra Satya Nugraha; Sutriyono, Edy; Gusti, Ugi Kurnia
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 6 No. 4 (2025): November
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v6i4.1254

Abstract

The influence of geological structures on the distribution of geothermal manifestations in the Subang area and its surroundings, Kuningan Regency, West Java Province, was assessed through an integrated approach combining lineament analysis based on Digital Elevation Model (DEM) imagery, fault and fracture density mapping, surface temperature analysis using Landsat 8 imagery, and surface geological surveys. The results indicate that three main hot spring points are closely associated with high-density fracture zones and active thrust fault systems. The primary geological structures controlling the system include the Ci Monte Fault and Situ Gede Fault, as well as the Ci Monte Syncline and Pamulihan Anticline, all trending east–west and formed due to compressive stress oriented north–south and northeast–southwest. These faults and fractures are strongly inferred to serve as migration pathways for hydrothermal fluids from the reservoir to the surface. The alignment of geothermal manifestations with geological structures highlights the critical role of active fractures and faults as the main controlling factors in the geothermal system. This conclusion underscores that geological structures function not only as natural permeable conduits but also as key indicators in geothermal exploration, especially in tectonically active regions.
Mekanisme Pembentukan Struktur Geologi Daerah Ciwaru dan Sekitarnya, Kabupaten Kuningan, Jawa Barat Ramadhani, Jesica Nabilah; Sutriyono, Edy; Gusti, Ugi Kurnia
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 6 No. 4 (2025): November
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v6i4.1305

Abstract

Daerah Ciwaru merupakan salah satu wilayah administratif di Kabupaten Kuningan Provinsi Jawa Barat. Penelitian ini bertujuan untuk mengidentifikasi keterkaitan arah tegasan (gaya) terhadap pembentukan struktur geologi berupa lipatan dan sesar dengan didukung data pemetaan geologi dan citra DEM. Pemetaan geologi didukung dengan Analisa data struktur geologi untuk menginterpretasikan struktur daerah penelitian. Satuan batuan pada Lokasi penelitian meliputi 3 formasi yaitu Formasi Rambatan (Tmr), Formasi Halang (Tmph), dan Anggota Gunung Hurip Formasi Halang (Tmhg). Pada daerah penelitian ditemukan struktur geologi berupa Sinklin Lebakherang, Antiklin Sumberjaya, Antiklin Ciwaru, Sinklin Dukuh Picung, Sinklin Jalatrang, Antiklin Cipakem. Sesar Cipakem, Sesar Sagaranten, Sesar Cikalong, Sesar Ci Golok dan Sesar Ci Honje. Data yang telah dikumpulkan dilakukan analisa struktur software Win tensor dan dips guna mengetahui gambaran struktur geologi di daerah penelitian, dan di intregasikan dengan kenampakan pada peta Digital Elevation Model (DEM). Berdasarkan hasil dan analisis didapatkan 7 lipatan membentuk orientasi Barat – Timur (Orde 1) akibat kompresional Utara – Selatan dan membentuk 2 struktur sesar dengan Orde 1 yaitu Sesar Cipakem dan Sesar Ci Golok. Selanjutnya terbentuk Sesar Sagaranten (Orde 1) akibat dari gaya tensional yang berarah Timur Laut – Barat Daya. Terdapat secondary stress berarah Barat Baratlaut - Timur Tenggara sehingga membentuk sesar orde 2 yaitu Sesar Kalong dan Sesar Ci Honje.
Co-Authors Edy Sutriyono Ramadhani, Jesica Nabilah Rastra, Rastra Yandra Satya Nugraha