lower cambrian series

基本解释

The ore-bearing bed consists of black rocks from Upper Sinian Series to Lower Cambrian Series.
含矿层为上震旦统—下寒武统黑色岩系。
People have paid great attention to the "many elements-enriched event" in the Lower Cambrian black shale series in south China.
华南下寒武统黑色岩系“多元素富集事件”受世人瞩目。
The black rock series in the Muchang formation of Lower Cambrian contains abundant NiMoV polymetallic deposits and associated precious metal mineralizations in northwest Hunan.
湖南西北部下寒武统木昌组黑色岩系中蕴藏着丰富的镍钼钒多金属矿床及其伴生的贵金属矿化。