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<p>Unlike other geological elements with relevance to geoheritage, coal deposits have not been properly studied in Mexico. In the Sabinas Basin, NE Mexico, there are many coal pits and waste dumps where the resource is exploited, mainly from the Olmos Formation. However, the mineral is already exhausted in some areas and so the pits and dumps now have no specific use. Due to the fact that geological materials have been moved by machinery, the geological sequences and fossils of paleontological and scientific importance can, generally, be accessed, as demonstrated by about thirty-four scientific materials carried out in the Olmos Formation. Fossil dinosaurs, footprints, leaves, trunks, and fruits with high endemism have been documented and preserved in museums or collections. These fossils, mainly plants, are so abundant that they can still be observed, as happened during the fieldwork for this research. Additionally, such sites have a high educational value, acting as excellent classrooms for teaching earth sciences with practical applications in stratigraphy, sedimentology, paleontology, hydrogeology, and geological field surveys. Unfortunately, these sites could be in danger if they are used for garbage dumping, which is already happening, as this not only contaminates the shallow aquifers but erases the fossil record that is unique in NE Mexico. In this sense, a call is made to local governments and institutions to preserve this invaluable legacy, not only for Coahuila but for Mexico in general.&#xa0;</p>

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Relevance of the Coal Mining Deposits and the Olmos Formation in NE Mexico to Geoheritage: Scientific, Geological and Educational Attributes that Highlight its Conservation

  • 期刊论文

  • 发表日期：

    2025年2月3日

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  • Ramón Yosvanis Batista Cruz,
  • José Alberto Batista Rodríguez,
  • Yuri Almaguer Carmenates,
  • Felipe de Jesús López Saucedo,
  • Yalina Montecelos Zamora,
  • Roberto Díaz Martínez

摘要

Unlike other geological elements with relevance to geoheritage, coal deposits have not been properly studied in Mexico. In the Sabinas Basin, NE Mexico, there are many coal pits and waste dumps where the resource is exploited, mainly from the Olmos Formation. However, the mineral is already exhausted in some areas and so the pits and dumps now have no specific use. Due to the fact that geological materials have been moved by machinery, the geological sequences and fossils of paleontological and scientific importance can, generally, be accessed, as demonstrated by about thirty-four scientific materials carried out in the Olmos Formation. Fossil dinosaurs, footprints, leaves, trunks, and fruits with high endemism have been documented and preserved in museums or collections. These fossils, mainly plants, are so abundant that they can still be observed, as happened during the fieldwork for this research. Additionally, such sites have a high educational value, acting as excellent classrooms for teaching earth sciences with practical applications in stratigraphy, sedimentology, paleontology, hydrogeology, and geological field surveys. Unfortunately, these sites could be in danger if they are used for garbage dumping, which is already happening, as this not only contaminates the shallow aquifers but erases the fossil record that is unique in NE Mexico. In this sense, a call is made to local governments and institutions to preserve this invaluable legacy, not only for Coahuila but for Mexico in general.