Chemical composition of ferromanganese nodules from the Western Sicily Jurass...

The stratigraphic study focuses on the description of lithofacies and geological sections of secondary, tertiary and quaternary formations in different parts of western Sicily....本地层学研究聚焦于西西里岛西部不同区域内第二系、第三系及第四系地层组的岩相与地质剖面描述。