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Boyongan and bayugo porphyry copper-gold deposits NE Mindanao, Philippines:Geology, geochemistry, and tectonic evolution
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Abstract
The recently-discovered Boyongan and Bayugo porphyry copper-gold deposits are part of an emerging belt of intrusion-centered gold-rich deposits in the Surigao district of NE Mindanao, Philippines. Since their formation in the Mid-Pliocene, exhumation and weathering of these deposits has lead to the development of a 600-m thick oxidation profile at Boyongan, and a modest(30-70m) oxidation profile at Bayugo. debris flows, volcanic material, and fluvio-lacustrine sediments accumulating in the actively extending Mainit graben subsequently covered the weathered deposits, preserving the supergene profiles.
Item Type: | Thesis - PhD |
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Authors/Creators: | Braxton, DP |
Additional Information: | Copyright the Author-The University is continuing to endeavour to trace the copyright owner(s) and in the meantime this item has been reproduced here in good faith. We would be pleased to hear from the copyright owner(s) |
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