Geothermal Prospect of Padang Cermin Pesawaran Lampung Province, Indonesia

Abstract

Geothermal survey has conducted in September 2013 within Padang Cermin region Pesawaran Lampung Province Indonesia. Data manifestation consists of 5 pieces of hot springs, the spread of loose soil (mud) and the appearance of vegetation. The hot springs are : the first hot spring is well hot water spout that causes by drilling pipe diameter 1 inc, located at coordinates 9383456 and 517722 UTM, at an elevation of 15 meters, with a temperature of about 98oC. The second hot spring is a natural manifestation located at coordinate 9383524 and 517387 UTM, an elevation 37 meters with a temperature of about 85oC. The third hot springs at coordinates 938 354 and 5174022 UTM, an elevation 33 meters, with a temperature of about 90oC. The fourth hot spring at coordinates 93835264 and 517419 elevation 29 meters, with the temperature 96 oC. The fifth hot springs located at coordinates 9383566 and 517 526 UTM, elevation 20 meters with a temperature of 85oC. Geological data indicate some rock outcrops have experienced alteration. Some hot springs produce precipitated silica sinter. The spread of widespread manifestations identified with the discovery of rocks and vegetation are experiencing liquification degenerating. Based on early studies using analysis of geological, geophysical and geochemical, the Padang Cermin geothermal system is estimated to have the potential reserves of approximately 100 MW.