浅钻地球化学测量在甘肃北山南金山金矿外围浅覆盖区的应用
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Application of shallow drilling geochemical survey to shallow overburden area at the peripheral of Nanjinshan gold mine in Beishan, Gansu Province
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图3. 研究区浅覆盖区地貌景观(a)及机动浅钻现场施工照片(b) |
Fig.3. Photos of landform and landscape of shallow overburden area in the study area (a) and on-site construction photos of motorized shallow drilling (b) |
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