Home / Standards / GB/T 17412.2-1998 GB/T 17412.2-1998 Active Classification and namenclature schemes of the rocks--Classification and namenclature schemes of sedimentary rock 岩石分类和命名方案 沉积岩岩石分类和命名方案 Standard Type GBT ICS 73-010 CCS D10 Status 现行 Issue Date 1998-06-17 Implementation 1999-01-01 Responsible Dept 自然资源部（国土） Drafting Unit N/A