Ambient Noise Tomography studies for geothermal exploration in the Canary Islands

被引:1
作者
Cabrera-Perez, Ivan [1 ]
D'Auria, Luca [1 ,2 ]
Soubestre, Jean [3 ,4 ]
van Dorth, David Martinez [2 ]
Cervigon-Tomico, German [1 ]
Martin-Lorenzo, Alba [1 ]
Przeor, Monika [2 ]
Garcia-Hernandez, Ruben [1 ]
Ortega, Victor [1 ]
Padilla, German D. [2 ]
Barrancos, Jose [1 ,2 ]
Padron, Eleazar [1 ,2 ]
Perez, Nemesio M. [1 ,2 ]
机构
[1] Inst Volcanol Canarias INVOLCAN, Tenerife 38600, Islas Canarias, Spain
[2] Inst Tecnol & Energias Renovables ITER, Tenerife 38600, Islas Canarias, Spain
[3] Univ Grenoble Alpes, Univ Savoie Mont Blanc, Univ Gustave Eiffel, ISTerre,CNRS,IRD, F-38000 Grenoble, France
[4] Iceland Meteorol Off, Reykjavik, Iceland
来源
BOLETIN GEOLOGICO Y MINERO | 2023年 / 134卷 / 03期
关键词
Ambient Noise Tomography; Geothermal Exploration; Gran Canaria; Tenerife; La Palma; SURFACE-WAVE DISPERSION; CRUSTAL STRUCTURE; VOLCANIC EVOLUTION; GRAN-CANARIA; TENERIFE; INVERSION; RESERVOIRS; MODEL; AREA;
D O I
10.21701/bolgeomin/134.3/001
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
Ambient Noise Tomography is a geophysical exploration technique that has proven to be highly efficient for studies at different scales and for multiple purposes, such as geothermal exploration. In this article, we introduce this technique by reviewing its various steps. Additionally, we present some examples of applications from studies conducted in the Canary Islands (specifically in Tenerife, Gran Canaria, and La Palma) for geothermal exploration purposes.The study realized in Gran Canaria reveals a series of low-velocity zones in the southern and eastern parts of the island, which could be linked to convective cells. In Tenerife, a low-velocity zone has been observed, potentially associated with a superficial clay cap that could facilitate the ascent of gases to the surface. Finally, the study carried out in La Palma highlights the existence of two low-velocity zones in the southern part of the island, possibly related to hydrothermally altered clay zones, indicating a circulation of hydrothermal fluids.
引用
收藏
页码:7 / 25
页数:19
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