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All Journal PENELITIAN DAN KARYA ILMIAH JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti Journal of Geoscience Engineering and Energy (JOGEE)
Untung Sumotarto
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GEOHYDROTHERMAL MODEL OF ARJUNO, WELIRANG AND PENANGGUNGAN VOLCANOES EAST JAVA, INDONESIA Untung Sumotarto; F. Hendrasto; Wibagiyo Wibagiyo
JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Vol. 2 No. 1 (2017)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (663.463 KB) | DOI: 10.25105/pdk.v2i1.2457

Abstract

Indonesia is a country having a high geothermal energy potential. The geothermal energy in Java island, as a volcanic row island, has been explored and produced. One of the area that has not been produced is volcanic area around Arjuno, Welirang and Penanggungan (AWP) located in East Java. Geochemical survey has been performed to explore a more detailed objective in exploring the potential resource of geothermal energy of this area. Chemical and isotopic analysis shows the maturity level of waters taken from water springs in the area. The immature water from the water springs is interpreted coming mostly from meteoric water which flows quite fast forming water springs around the area. Geohydrothermally, the water flows through porous and permeable volcanic rocks that receive heat from igneous rocks existing together in the area. The igneous rocks are flowing heat conductively from magma below the AWP volcanoes.
GEOHYDROTHERMAL MODEL OF ARJUNO, WELIRANG AND PENANGGUNGAN VOLCANOES EAST JAVA, INDONESIA Untung Sumotarto; F. Hendrasto; Wibagiyo Wibagiyo
JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Vol. 2 No. 1 (2017)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/pdk.v2i1.2457

Abstract

Indonesia is a country having a high geothermal energy potential. The geothermal energy in Java island, as a volcanic row island, has been explored and produced. One of the area that has not been produced is volcanic area around Arjuno, Welirang and Penanggungan (AWP) located in East Java. Geochemical survey has been performed to explore a more detailed objective in exploring the potential resource of geothermal energy of this area. Chemical and isotopic analysis shows the maturity level of waters taken from water springs in the area. The immature water from the water springs is interpreted coming mostly from meteoric water which flows quite fast forming water springs around the area. Geohydrothermally, the water flows through porous and permeable volcanic rocks that receive heat from igneous rocks existing together in the area. The igneous rocks are flowing heat conductively from magma below the AWP volcanoes.
GEOHYDROTHERMAL MODEL OF ARJUNO, WELIRANG AND PENANGGUNGAN VOLCANOES EAST JAVA, INDONESIA Untung Sumotarto; F. Hendrasto; Wibagiyo Wibagiyo
JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Vol. 2 No. 1 (2017)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (663.463 KB) | DOI: 10.25105/pdk.v2i1.2457

Abstract

Indonesia is a country having a high geothermal energy potential. The geothermal energy in Java island, as a volcanic row island, has been explored and produced. One of the area that has not been produced is volcanic area around Arjuno, Welirang and Penanggungan (AWP) located in East Java. Geochemical survey has been performed to explore a more detailed objective in exploring the potential resource of geothermal energy of this area. Chemical and isotopic analysis shows the maturity level of waters taken from water springs in the area. The immature water from the water springs is interpreted coming mostly from meteoric water which flows quite fast forming water springs around the area. Geohydrothermally, the water flows through porous and permeable volcanic rocks that receive heat from igneous rocks existing together in the area. The igneous rocks are flowing heat conductively from magma below the AWP volcanoes.
ANALISIS GEOKIMIA FLUIDA PANAS BUMI DAERAH ARJOSARI DAN SEKITARNYA, KECAMATAN ARJOSARI, KABUPATEN PACITAN, JAWA TIMUR: ANALYSIS OF GEOCHEMISTRY GEOTHERMAL FLUIDS IN ARJOSARI AND SURROUNDING AREAS, ARJOSARI DISTRICT, PACITAN REGENCY, EAST JAVA Julius Leonardo Simamora; Fajar Hendrasto; Untung Sumotarto; Mira Meirawaty
Journal of Geoscience Engineering & Energy (JOGEE) VOLUME 3, NOMOR 2, AGUSTUS 2022
Publisher : Universitas trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3087.286 KB) | DOI: 10.25105/jogee.v3i2.14667

Abstract

Energi panasbumi adalah sumber daya alam terbarukan berupa air panas atau uap yang terbentuk dari pemanasan air bawah permukaan, dan Indonesia merupakan Negara yang memiliki sumber daya alam panas bumi yang besar. Lokasi penelitian berada pada daerah Arjosari, kabupaten Pacitan, Jawa Timur. Pada daerah penelitian terdapat lima lokasi manifestasi fluida permukaan. Hasil dari analisis geokimia menjukkan manifestasi panasbumi dengan tipe manifestasi berupa air panas, mata air hangat, dan mata air dingin, dengan jenis air acid sulphate waters. Berdasarkan atas analisis geoindikator menunjukkan arah outflow yang cenderung kearah timur, isotope yang berada pada meteoric line.
Co-Authors F. Hendrasto Fajar Hendrasto Julius Leonardo Simamora Mira Meirawaty Wibagiyo Wibagiyo