位置：中游情绪：利好参考度：6/10
西维茨矿业公司（West Wits Mining，WWM）更新其在南非维特瓦特斯兰德盆地（Witwatersrand Basin，WB）的金矿项目资源量，资源量增长44%或220万盎司至720万盎司，品位4克/吨。该项目依托历史开采底蕴与新增矿权，持续扩大资源规模，正成为区域内重要的金矿开发资产。
WWM正开发卡拉浅部（Qala Shallows）与卡拉深部（Qala Deeps）矿山，在金伯利矿区（Kimberley Reefs）已知资源的深部新获矿权，新增资源量120万盎司，品位4.38克/吨，显著扩大了现有矿山的开采范围。此次资源量提升主要得益于边界品位调整与金价上涨的双重影响，进一步夯实了项目开发的资源基础。
资源量估算基准中，边界品位从2克/吨降至1.24克/吨，降低了资ƺ..
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