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By Flor de María Harp - Fri, 06/19/2020 - 09:34
It is crucial to have an agency that studies the history and evolution of the Earth's crust. People need to understand the surface on which they live.
https://mexicobusiness.news/tag/non-metallic-mineral-deposits
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By - Sat, 12/01/2018 - 12:46
Minerals do not exist as a by-product. There is always a reason, a process or a circumstance that allows us to associate them with a geological event.
