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Gran Colombia changes Marmato plans

Gran Colombia Gold (CN:GCM) has announced an updated NI 43-101 compliant minerals resource estimate for its Marmato gold project in Caldas, Colombia, which reflects a change in focus to underground mining.

Paul Harris
Gran Colombia's plans are now focused on developing an underground gold mine at Marmato

Gran Colombia's plans are now focused on developing an underground gold mine at Marmato

The company, which was previously pursuing an openpit concept, said the new measured and indicated resources totalled 41.2 million tonnes grading 2.9g/t Au and 17.0g/t Ag for 3.9 million ounces of gold...

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