Aconitum balfourii (Bruhl) Muk. (Ranunculaceae) is an endangered medicinal plant. Natural populations were surveyed in t......

矿区位于世界著名的南非波斯特马斯堡—卡拉哈里锰成矿带西北部边缘。铁锰矿体呈层状、似层状、透镜状产出,层位控矿特征明显;矿石......