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What are the possibilities of finding copper when prospecting an area with sheared gneiss, lucocratic gneiss & quartz mica schist

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What are the possibilities of finding copper when prospecting an area with sheared gneiss, lucocratic gneiss & quartz mica schist
What are the possibilities of finding copper when prospecting an area with sheared gneiss, lucocratic gneiss & quartz mica schist

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