México descubre una mina submarina de 12,000 años de antigüedad

Los investigadores que se sumergen en oscuras cuevas sumergidas en la península de Yucatán en México han encontrado evidencia de una ambiciosa operación minera que comenzó hace 12,000 años y duró dos milenios para el ocre rojo, un pigmento mineral terrestre apreciado por los pueblos prehistóricos.

Más de 100 inmersiones por un total de más de 600 horas en el estado de Quintana Roo arrojaron numerosos artefactos mineros, dijeron los científicos el viernes. Estos incluyeron pozos de extracción de ocre, herramientas de excavación como martillos y pequeños pilotes hechos de estalagmitas, marcadores que ayudaron a los mineros a navegar por la extensa red de cuevas y los hogares utilizados para proporcionar luz. Las cuevas no estaban bajo el agua en el momento de la minería.

La minería se llevó a cabo cuando las poblaciones humanas se extendieron por la región. Posteriormente, las cuevas fueron abandonadas durante milenios antes de sumergirse hace aproximadamente 8,000 años en medio del aumento del nivel del mar después de la última Edad de Hielo.

Los investigadores habían encontrado previamente esqueletos humanos en las cuevas, pero no habían identificado por qué había personas allí.

“En todo el mundo, la evidencia arqueológica ha demostrado que los humanos han estado usando ocre durante cientos de miles de años. Incluso los neandertales usaron ocre ”, dijo el científico arqueológico de la Universidad de Missouri Brandi MacDonald, autor principal de la investigación publicada en la revista Science Advances.

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