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Strange seismic activity below high-grade Colombia mineral deposits explained

MINING.com Editor | June 06, 2013 | 11:08 pm Latin America 

Seismologists claim that the "Caldas tear," a break in a slab separating two tectonic plates is the reason for "curious" seismic activity beneath east-central Colombia's high-grade mineral deposits. Researchers Alberto Vargas and Paul Mann of the Universidad Nacional de Colombia...

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