2006
DOI: 10.14203/risetgeotam2006.v16.175
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Studi Batuan Volkanik Dan Batuan Ubahan Pada Lapangan Panasbumi Gedongsongo Kompleks Gunungapi Ungaran Jawa Tengah

Abstract: Gedongsongo is located at the south flank of the Ungaran Mountain within the Ungaran Depression Volcanic Complex, Central Java. Geothermal activities are characterized by vapour dominated fumaroles, hotsprings, and hydrothermally altered rocks. Geological data obtained from field and laboratory works, consist of : (i) interlayering laharic breccia with basaltic andesite fragments and lava flow, alteration rocks, and bombs (basaltic andesite in composition), (ii). The southwest-northeast normal fault along nort… Show more

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Cited by 5 publications
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“…The water temperature in this hot spring ranges from 30°C -45°C. Based on [15], the chemical content of water is a mixture of chloride and bicarbonate water originating from reservoir fluids that underwent a mixing process with meteoric water.…”
Section: Nglimut Hot Springmentioning
confidence: 99%
“…The water temperature in this hot spring ranges from 30°C -45°C. Based on [15], the chemical content of water is a mixture of chloride and bicarbonate water originating from reservoir fluids that underwent a mixing process with meteoric water.…”
Section: Nglimut Hot Springmentioning
confidence: 99%
“…Mineral piroksen dan amfibol merupakan mineral yang mengandung unsur Mn, selain itu unsur Mn pada batuan biasanya ditemukan pada mineral ubahan pada batuan yang berasosiasi dengan unsur Fe, Al, Bi dan logam lainnya (Kuleshov, 2017). Mineral-mineral tersebut dapat ditemui di lokasi penelitian yaitu pada batuan teralterasi dan breksi dengan fragmen andesit (Indarto, 2006).…”
Section: Hasil Dan Pembahasan Karakteristik Mata Air Panasunclassified
“…Apabila diamati secara langsung di lokasi sampling, nilai Fe dan Mn yang mengalami penurunan dibanding dengan nilai Fe dan Mn di mata air panas dapat diindikasikan melalui adanya endapan berwarna kuning kecoklatan. Keterdapatan logam Fe dan Mn pada mata air di lokasi sampling M1, M2 dan M3 dikarenakan batuan penyusun berupa breksi andesit dan batuan teralterasi yang berinteraksi dengan fluida di area panas bumi (Indarto, 2006).…”
Section: Karakteristik Mata Air DI Titik M1 M2 Dan M3unclassified
“…Hydrothermal alteration minerals of Kamojang geothermal area have been studied by many workers including Purba (1994), Yudiantoro (1997), Utami (2000) and Kamah et al (2003). The hydrotermal minerals occurring in the field of geothermal Kamojang according toYudiantoro (1997), can be divided into three zones, namely Kaolinite-Montmorillonite, Anhydrite-Calcite, and Epidote-Chlorite Zones.…”
Section: Geology Of Kamojangmentioning
confidence: 99%