[Daerah prospek panas bumi Gunung Arjuno dan Gunung Welirang berada pada jalur vulkanik yang dikenal dengan jalur ring of fire, yaitu rentetan gunung api, baik yang aktif, maupun gunung api yang tidak aktif. Gunung tersebut berasosiasidengan pembentukan sistem panas bumi yang ditandai dengan kemunculan manifestasi yang terdiri dari mata air panas Padusan, Coban dan Cangar serta adanya fumarol yang terdapat di komplek Gunung Welirang. Dari hasil perhitungan geothermometer daerah prospek panas bumi Gunung Arjuno danGunung Welirang memiliki temperatur 250o C dan masuk dalam kategori high temperature (>225 oC). Untuk mengetahui batas, kedalaman, dan geometri dari reservoir yang ada, dilakukan pengukuran dengan metode Magnetotellurik (MT), Time Domain Electromagnetic (TDEM) dan gaya berat. Dari hasil pengukurantersebut, dilakukan pemodelan pada 138 data MT, 103 data TDEM dan 253 data gaya berat. Selanjutnya hasil pemodelan dianalisa dengan menggunakan penampang 1 dimensi, 2 dimensi dan visualisasi 3 dimensi. Karakteristik reservoir berada pada kisaran 10-30 Ohm-m dengan nilai densitas rata-rata 2.2gr/cc dan menghasilkan prospek panas Gunung Arjuno dan Gunung Welirang sekitar 40 km2 dengan potensi yang dapat dikembangkan untuk pembangkit tenaga listrik sebesar 140 MWe, rekomendasi penentuan titik bor eksplorasi berada di 2 km baratlaut dari komplek Gunung Welirang.
The geothermal prospect areas Mount Arjuno and Mount Welirang is on track which is known as volcanic ring of fire, which is a series of volcanoes, both active and inactive volcanoes. The mountain is associated with the formation of geothermal systems that are characterized by the appearance of manifestations consisting of Padusan, Coban and Cangar hot springs and their fumaroles locatedin Mount Welirang complex. From the calculation geothermometer, the geothermal prospect areas Mount Arjuno and Welirang has a temperature of 250°C and in the category of high temperature (190 oC-236 oC). To determine theboundary, the depth, and the geometry of the existing reservoir, measured by the method of magnetotelluric (MT), Time Domain Electromagnetic (TDEM) and gravity. From the results of these measurements, modeling performed on the 138MT data, 103 TDEM data and 253 gravity data. Furthermore, the modeling results were analyzed using 1 dimensional cross-section, 2 dimensional and 3 dimensional visualization. The position of the reservoir is in the range of 10-30 Ohm-m with an average density value 2.2 g/CC3 to generate hot prospects Mt.Arjuno and Mount Welirang approximately 40 km2. with potential developed for power plants of 140 MWe, recommendations exploration drill pointdetermination located at 3km north-west of the mountain complex Mount Welirang.;The geothermal prospect areas Mount Arjuno and Mount Welirang is on trackwhich is known as volcanic ring of fire, which is a series of volcanoes, both activeand inactive volcanoes. The mountain is associated with the formation ofgeothermal systems that are characterized by the appearance of manifestationsconsisting of Padusan, Coban and Cangar hot springs and their fumaroles locatedin Mount Welirang complex. From the calculation geothermometer, thegeothermal prospect areas Mount Arjuno and Welirang has a temperature of250°C and in the category of high temperature (190 oC-236 oC). To determine theboundary, the depth, and the geometry of the existing reservoir, measured by themethod of magnetotelluric (MT), Time Domain Electromagnetic (TDEM) andgravity. From the results of these measurements, modeling performed on the 138MT data, 103 TDEM data and 253 gravity data. Furthermore, the modeling resultswere analyzed using 1 dimensional cross-section, 2 dimensional and 3dimensional visualization. The position of the reservoir is in the range of 10-30Ohm-m with an average density value 2.2 g / CC3 to generate hot prospectsMt.Arjuno and Mount Welirang approximately 40 km2. with potential developedfor power plants of 140 MWe, recommendations exploration drill pointdetermination located at 3km north-west of the mountain complex MountWelirang.;The geothermal prospect areas Mount Arjuno and Mount Welirang is on trackwhich is known as volcanic ring of fire, which is a series of volcanoes, both activeand inactive volcanoes. The mountain is associated with the formation ofgeothermal systems that are characterized by the appearance of manifestationsconsisting of Padusan, Coban and Cangar hot springs and their fumaroles locatedin Mount Welirang complex. From the calculation geothermometer, thegeothermal prospect areas Mount Arjuno and Welirang has a temperature of250°C and in the category of high temperature (190 oC-236 oC). To determine theboundary, the depth, and the geometry of the existing reservoir, measured by themethod of magnetotelluric (MT), Time Domain Electromagnetic (TDEM) andgravity. From the results of these measurements, modeling performed on the 138MT data, 103 TDEM data and 253 gravity data. Furthermore, the modeling resultswere analyzed using 1 dimensional cross-section, 2 dimensional and 3dimensional visualization. The position of the reservoir is in the range of 10-30Ohm-m with an average density value 2.2 g / CC3 to generate hot prospectsMt.Arjuno and Mount Welirang approximately 40 km2. with potential developedfor power plants of 140 MWe, recommendations exploration drill pointdetermination located at 3km north-west of the mountain complex MountWelirang.;The geothermal prospect areas Mount Arjuno and Mount Welirang is on trackwhich is known as volcanic ring of fire, which is a series of volcanoes, both activeand inactive volcanoes. The mountain is associated with the formation ofgeothermal systems that are characterized by the appearance of manifestationsconsisting of Padusan, Coban and Cangar hot springs and their fumaroles locatedin Mount Welirang complex. From the calculation geothermometer, thegeothermal prospect areas Mount Arjuno and Welirang has a temperature of250°C and in the category of high temperature (190 oC-236 oC). To determine theboundary, the depth, and the geometry of the existing reservoir, measured by themethod of magnetotelluric (MT), Time Domain Electromagnetic (TDEM) andgravity. From the results of these measurements, modeling performed on the 138MT data, 103 TDEM data and 253 gravity data. Furthermore, the modeling resultswere analyzed using 1 dimensional cross-section, 2 dimensional and 3dimensional visualization. The position of the reservoir is in the range of 10-30Ohm-m with an average density value 2.2 g / CC3 to generate hot prospectsMt.Arjuno and Mount Welirang approximately 40 km2. with potential developedfor power plants of 140 MWe, recommendations exploration drill pointdetermination located at 3km north-west of the mountain complex MountWelirang.;The geothermal prospect areas Mount Arjuno and Mount Welirang is on trackwhich is known as volcanic ring of fire, which is a series of volcanoes, both activeand inactive volcanoes. The mountain is associated with the formation ofgeothermal systems that are characterized by the appearance of manifestationsconsisting of Padusan, Coban and Cangar hot springs and their fumaroles locatedin Mount Welirang complex. From the calculation geothermometer, thegeothermal prospect areas Mount Arjuno and Welirang has a temperature of250°C and in the category of high temperature (190 oC-236 oC). To determine theboundary, the depth, and the geometry of the existing reservoir, measured by themethod of magnetotelluric (MT), Time Domain Electromagnetic (TDEM) andgravity. From the results of these measurements, modeling performed on the 138MT data, 103 TDEM data and 253 gravity data. Furthermore, the modeling resultswere analyzed using 1 dimensional cross-section, 2 dimensional and 3dimensional visualization. The position of the reservoir is in the range of 10-30Ohm-m with an average density value 2.2 g / CC3 to generate hot prospectsMt.Arjuno and Mount Welirang approximately 40 km2. with potential developedfor power plants of 140 MWe, recommendations exploration drill pointdetermination located at 3km north-west of the mountain complex MountWelirang., The geothermal prospect areas Mount Arjuno and Mount Welirang is on trackwhich is known as volcanic ring of fire, which is a series of volcanoes, both activeand inactive volcanoes. The mountain is associated with the formation ofgeothermal systems that are characterized by the appearance of manifestationsconsisting of Padusan, Coban and Cangar hot springs and their fumaroles locatedin Mount Welirang complex. From the calculation geothermometer, thegeothermal prospect areas Mount Arjuno and Welirang has a temperature of250°C and in the category of high temperature (190 oC-236 oC). To determine theboundary, the depth, and the geometry of the existing reservoir, measured by themethod of magnetotelluric (MT), Time Domain Electromagnetic (TDEM) andgravity. From the results of these measurements, modeling performed on the 138MT data, 103 TDEM data and 253 gravity data. Furthermore, the modeling resultswere analyzed using 1 dimensional cross-section, 2 dimensional and 3dimensional visualization. The position of the reservoir is in the range of 10-30Ohm-m with an average density value 2.2 g / CC3 to generate hot prospectsMt.Arjuno and Mount Welirang approximately 40 km2. with potential developedfor power plants of 140 MWe, recommendations exploration drill pointdetermination located at 3km north-west of the mountain complex MountWelirang.] |
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