کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | ترجمه فارسی | نسخه تمام متن |
---|---|---|---|---|---|
8088625 | 1521895 | 2018 | 14 صفحه PDF | سفارش دهید | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Evolution of hot fluids in the Chingshui geothermal field inferred from crystal morphology and geochemical vein data
ترجمه فارسی عنوان
تکامل مایع های گرم در زمین جرمی چینگشویی که از مورفولوژی کریستال و داده های رگه ژئوشیمیایی
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موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
ژئوشیمی و پترولوژی
چکیده انگلیسی
The Chingshui geothermal field once hosted the first geothermal power plant in Taiwan from 1981 to 1993. After a long period of inactivity, this field is attracting renewed interest to meet the need for clean energy. A 213-m length of cores (IC-21) with continuous recovery, the longest in the Chingshui geothermal field, was recovered from 600â¯m to 813â¯m below the surface in 2010. Three types of calcite crystal morphologies have been identified in the veins of the cores of well IC-21: bladed, rhombic and massive crystals. Bladed calcites are generated via degassing under boiling conditions with a precipitation temperature of â¼165â¯Â°C and calculated δ18O value of â6.8â° to â10.2â° VSMOW for the thermal water. Rhombic calcites grow in low concentration Ca2+ and CO32â meteoric fluids and precipitate at approximately â¼180â¯Â°C. Finally, massive calcites are characterized by co-precipitation with quartz in the mixing zone between meteoric water and magmatic or metamorphic fluids with calculated δ18O value of up to 1.5â¯Â±â¯0.7â° VSMOW. Furthermore, the scaling and hot fluids at a nearby pilot geothermal power plant confirm a meteoric origin. Based on these observations, we propose that the current orientations of the main conduits for geothermal fluids are oriented at N10°E with a dip of 70°E. This result provides the basic information needed for deploying production and injection wells in future developments of the geothermal power plant in this region.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Geothermics - Volume 74, July 2018, Pages 305-318
Journal: Geothermics - Volume 74, July 2018, Pages 305-318
نویسندگان
Yi-Chia Lu, Sheng-Rong Song, Sachihiro Taguchi, Pei-Ling Wang, En-Chao Yeh, Yu-Jie Lin, John MacDonald, Cédric M. John,
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