argabbr.阿根廷(=Argentina)abbr.银(=Argentine)abbr.自变量(=argument)Arghun阿鲁浑(约1258-91),第四代蒙古族伊儿汗

1. Thin layers of sandy shale, and carbonaceous fragments are locally present.
   局部出现砂质页岩薄层和碳质碎屑。
2. In the stone coal layer and the overlying black shale, there is a pyrite layer.
   在石煤层或其上部的碳质页岩中含黄铁矿层。