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Showing 1 to 2 of 2 for “"polymetallic veins"”.
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The stratigraphic and structural controls on copper-gold mineralization at Cassenha hill prospect, within the Archean to Paleoproterozoic Angolan shield, Congo craton, South Western Angola
… and/or at the edges of quartz/chlorite-rich veins/fractures and is not restricted to any rock type. Two ore stages could be identified, namely, hypogene ore (stage I) consisting of pyrite ± chalcopyrite ± other copper sulfides, and supergene ore (stage II) consisting of malachite ± azurite ± …
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Time-Space Relationships between Sediment-Hosted Gold Mineralization and Intrusion-Related Polymetallic Mineralization at Kinsley Mountain, NV
… SHGDs, intrusion-related tungsten skarn, and polymetallic carbonate replacement vein deposits have been mined from Kinsley Mountain, proximal to an Eocene intrusive center. Stratigraphically and structurally controlled SHGDs occur as replacement bodies in Cambrian shelf carbonates and …