Mineralogical and chemical investigation of biogenic siliceous Antarctic deep...

The formation of marine opal-CT nodules or layers as early diagenetic deposits has been documented only in Antarctic deep-sea sediments. In contrast, porcellanites and cherts in...作为早期成岩沉积的海洋CT相蛋白石（opal-CT）结核或层状体的形成过程，目前仅在南极深海沉积物中被记录。与之相对，瓷岩（porcellanites）与燧石（cherts）在……