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Abasolo, Aracely LimaCorresponding AuthorHoehne, Antonio VazquezAuthorSánchez, Iñigo MolinaAuthor

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December 24, 2024
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Multispectral optical images and SAR for geological application: case of southwest Ecuador - El Oro Province

Publicated to:Revista Mexicana De Ciencias Geologicas. 41 (3): 232-248 - 2024-12-01 41(3), DOI: 10.22201/igc.20072902e.2024.3.1830

Authors: Abásolo, AL; Hoehne, AV; Sánchez, IM; Mayorga-Torres, T

Affiliations

Inst Invest Geol & Energet IIGE, Ave Republ E7-263 & Diego Almagro, Quito 170518, Ecuador - Author
Univ Alicante, Escuela Int Doctorado, IU Invest informat, Carretera San Vicente Raspeig S-N, Alicante 03690, Spain - Author
Univ Cent Ecuador, Fac Ingn Geol Minas Petr & Ambiental, Jeronimo Leyton & Ave La Gasca, Quito 170521, Ecuador - Author
Univ Politecn Madrid, Ave Mediterraneo Km 7,Calle Mercator 2, Madrid 28031, Spain - Author

Abstract

The advancement of geological mappinghas become more efficient and effective with the use of remote sensing data. The synergy between multispectraloptical imageryand synthetic aperture radar with medium and high spatial resolution is becomingan interesting solution for Geological Surveys of developing countries. These countries have not yet been able to complete geological mapping at regional scales of 1:250000; 1:100000 (or 1:50000 in priority areas). There are several reasons for this, both in terms geographical location, presence of vegetation and high cloud cover, and the limited allocation of resources. In this work, we presenta methodology involvingselecting satellite imagery, geospatial analysing, and interpreting the data to extract preliminarygeological information. This approach culminates in the production of an interpreted base map to be used as input prior to the field campaign. The result was the identification of geological contacts of the most representative mappable units and observed structural lineaments. The validation of the product consisted in the comparison of the interpreted geological features with the rock units and structures of the published geological map, which showed a percentage similarity of 81 %. The methodology employed can be used to produce new geological maps as well as to update existing geological maps. It is particularly useful for remote areas that are difficult to access due to lack of communication routes, where there are social conflicts due to the opposition and resistance to the exploitation of mineral resources.

Keywords

AndeCartografía geológicaContactos geológicosDiscriminationGeological contactsGeological mappingGeological unitsImágenes ópticasLineamientos estructuralesOptical imagesRadar de apertura sintéticaRemote-sensing dataStructural lineamentStructural lineamentsSynthetic aperture radar imagesUnidades geológicas

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Revista Mexicana De Ciencias Geologicas, and although the journal is classified in the quartile Q4 (Agencia WoS (JCR)), its regional focus and specialization in Geosciences, Multidisciplinary, give it significant recognition in a specific niche of scientific knowledge at an international level.

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-09-24:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 1 (PlumX).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Additionally, the work has been submitted to a journal classified as Diamond in relation to this type of editorial policy.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Ecuador.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (LIMA ABÁSOLO, ARACELY) .

the author responsible for correspondence tasks has been LIMA ABÁSOLO, ARACELY.