supported by the National Key Research and Development Program of China(2021YFA0718200);the National Natural Science Foundation of China(41972072,42172091,and 42172180);the Science and Technology Research Project for the Research Institute of Petroleum Exploration and Development,CNPC(2021YJCQ03)。
Early Cambrian black shales along the southern margin of the Yangtze Block are characterized by polymetallic mineralization in the lower part,including Ni-Mo sulfide ore,V ore,barite ore,phosphate ore,and"stone coal"(...