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Archivos de "March, 2012"

Creado por Webmaster el 15/03/2012

Mineria marina

La minería en el fondo del mar es un proceso de extracción mineral relativamente nuevo, que se da lugar en el fondo marino. Los yacimientos de minería oceánica se suelen hacer en torno a grandes áreas de nódulos polimetálicos o fuentes hidrotermales activas o extintas a unos 1.400-3.700 metros bajo la superficie oceánica.1 Las fuentes […]

Creado por Webmaster el 14/03/2012

Mineria mexicana: “perforadora” de autonomia

Situación actual de extracción minera en México. ¿A que se debe esa “explosividad de extracción minera”? “En México y muchas otras naciones de América Latina, la actividad minera está creciendo de manera alarmante. La crisis económica global ha disparado, por un lado, la demanda de oro y plata como refugio para los capitales en crisis […]