O. D. Puspita, Reinaldi Juniarto, S. S. Larasati, H. Hamdalah, I. Takodama
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引用次数: 0
摘要
地热能是一种清洁的替代能源。南苏门答腊南部Ogan Komering Ulu (OKU)由于欧亚构造板块与印澳构造板块的相互作用，是一个地热远景区。它引起了该地区地质构造的生长和火山活动。根据地质资料，奥古陆南部存在40 ~ 93℃的温泉，是地热的标志。基于遥感方法的地质资料可以确定地貌。重力地球物理资料和大地电磁资料可以根据岩石密度和电阻率识别岩石类型和地下地质构造。地质和重力资料表明，该区存在西北—东南走向的地质构造，为地热流体路径，与温泉位置适宜。大地电磁资料显示，地热储层岩石(碎屑沉积岩)位于(-500)- (- 2500)m深度，电阻率为30-200 Ωm。DOI: http://dx.doi.org/10.17977/um024v5i12020p022
Analysis of Remote Sensing, Gravity, and Magnetotelluric Data on Geothermal Fields in Ogan Komering Ulu (OKU) District, South Sumatra
Geothermal energy is a clean alternative energy resource. Southern Ogan Komering Ulu (OKU), South Sumatera, is a geothermal prospect area because of the interaction between the Eurasian and Indo-Australian tectonic plates. It causes geological structures growth and the activity of volcanism in the area. Based on geological data, geothermal in southern OKU is indicated by the existence of 40–93 oC temperature hot springs. Geological data based on remote sensing methods can determine the lineament. Geophysical data with gravity and magnetotelluric can identify the type of rock and the subsurface geological structure based on rock density and resistivity. Based on geological and gravity data indicates the presence of geological formations lead northwest-southeast, which is estimated as the geothermal fluid pathway with the suitability to the location of hot springs. The magnetotelluric data shows the geothermal reservoir rocks (clastic sedimentary rock) located at (-500)–(-2.500) meters depth with 30–200 Ωm resistivity. DOI: http://dx.doi.org/10.17977/um024v5i12020p022
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