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Abstract

Summary

Geothermal System is a heat energy that contain in subsurface can be utilized either directly or indirectly. The conditions for the occurrence of geothermal systems are influenced by several factors like a heat source, reservoir, a fluid on permeable rock, caprock, structure, and recharge area. To determining the existence of a reservoir system we need a geological, geophysical and geochemical studies. In this study, we investigated a heat source zone in this area based on Arsenic (As) Gas distribution and Subsurface Temperature (with proven data). Arsenic Gases is associated with temperature of rock, a volatile element, which only release on high temperature. Based on Arsenic Gas Acquisition on “U” Geothermal Area, we determine a high arsenic gas pattern (with value 75-300 ng As) is indicated a high temperature rock. If we overlay with subsurface temperature map, we can see a high Arsenic is directly proportional with high temperature (with value 225-275⁰C), it shows a positive correlation with the existence of heat source zone in the research area. Based on result, we can conclude the Arsenic (As) gases distribution can help the preliminary surveys to determine a high temperature rock or heat source zone in geothermal area or hidden geothermal area.

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/content/papers/10.3997/2214-4609.202113265
2021-10-18
2024-04-28

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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.202113265
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Correlation of Arsenic Gas with Subsurface Temperature to Determine a Heat Source on “U” Geothermal System
Conference Proceedings 2021, 1 (2021); https://doi.org/10.3997/2214-4609.202113265
/content/papers/10.3997/2214-4609.202113265
/content/papers/10.3997/2214-4609.202113265
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