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All Journal Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Journal of Earth and Marine Technology (JEMT)
Bernaldo, Pius Artdanno
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Physics Transportation

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HIDROKIMIA AIR TANAH MANIFESTASI GEDONGSONGO PANASBUMI UNGARAN, SEMARANG, JAWA TENGAH, INDONESIA Hisan, Nazwa Khoiratun; Bernaldo, Pius Artdanno; Jasaputra, Ludovicus Damardika; Arhananta, Arhananta
Prosiding Seminar Teknologi Kebumian dan Kelautan Vol 2, No 1 (2020)
Publisher : Prosiding Seminar Teknologi Kebumian dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1146.309 KB)

Abstract

Manifestasi geothermal itu salah satunya adalah air panas. Selain air panas ternyata pengetahuan mengenai air dingin juga penting untuk dibandingkan lingkungannya dengan air panas. Penelitian mengenai hidrokimia air dingin dalam kurun tahun 1996-2020 di Gunung Ungaran belum pernah dilakukan. Lokasi penelitian terletak disekitar komplek Candi Gedongsongo, Gunung Ungaran, Jawa Tengah. Metode yang digunakan untuk mengetahui komposisi kimia adalah analisa geokimia air dingin dan studi literatur. Kemudian untuk mengetahui dinamika pembentukan airtanah dilakukan fieldcheck meliputi pemetaan sebaran batuan, pengambilan sampel batuan, pengukuran muka air tanah, dan pengukuran data struktur. Berdasarkan data kimia air panas bahwa jenis fluida fluida geothermal meliputi air klorida, bikarbonat dan sulfat yang unsur yang dominan yaitu bikarbonat. Berdasarkan analisa hidrokimia air dingin Segitiga anion yang terdapat pada diagram piper bagian kanan bawah menunjukkan kandungan ion pada sampel mata air mengelompok pada bagian kiri bawah yang menunjukkan bahwa sampel mata air memiliki tipe anion bikarbonat.
Hydrostructure of Groundwater Manifestation of Gedongsongo Geothermal Ungaran, Semarang, Central Java, Indonesia Hisan, Nazwa Khoiratun; Jasaputra, Ludovikus Damardika; Bernaldo, Pius Artdanno; Karlina, Nur Alif Yusuf Putra; Arhananta, Arhananta
Journal of Earth and Marine Technology (JEMT) Vol 1, No 1 (2020)
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.2020.v1i1.1150

Abstract

Groundwater is an important element of the hydrological cycle in geothermal systems. The geological structure of the Plio-Pleistocene volcano and different lithological variations affect the type and response of groundwater to rocks. The research area is located around the Gedongsongo Temple complex, Mount Ungaran, Central Java. Based on the field check location, there are three variations of lithology, the first lithology is a breccia with andesite, basalt, and pyroclastic fragments. The NW-SE-oriented geological structure is flattened to the right slip fault which is the fracture aquifer system on the Southern Slope of Mount Ungaran. In the research area, there is an anomaly in the form of deflection of flow direction pattern caused by structural control factor in the form of fracture, the fracture which becomes the fluid channel media is a tension joint on the shear zone with Northwest strike with dip direction toward Northeast which has NW-SE orientation of right slip fault.
Co-Authors Arhananta, Arhananta Hisan, Nazwa Khoiratun Jasaputra, Ludovicus Damardika Jasaputra, Ludovikus Damardika Karlina, Nur Alif Yusuf Putra