Magnetic Signature and Element Content of Upflow and Outflow Hotspring in Arjuno–Welirang Geothermal System

Research on magnetic properties and chemical element content of environmental deposits has been conducted for various purposes. This study focuses characteristic susceptibility, mineral morphology, the elemental composition Cangar Padusan hot springs in Arjuno-Welirang geothermal system to differentiate upflow outflow systems, respectively. The measurements were performed better understand relation between Fe-Silicate content, surface temperature compare these characteristics two kinds same mountain system. Magnetic susceptibility ranged (7.558 - 62.694 ) × 10-6 m3/kg with an average 30.651 (upflow) (11.821 28.101) 18.148 (outflow). In situ minerals extracted are averaged is 26.981 24.445 Padusan. dominated by Al, Si, K, Ca, Ti Fe, where Fe more abundant as upflow. higher greater Fe-silicate both springs. from 38 48°C, temperature, increased. Cangar, tend show crystalline, especially hedralic shape very fine surface, clean free impurities. Meanwhile, some also found spherical shapes,