| 1 | So far, there has been found in more than 50 home opportunely stone. | |
| 2 | There is a wide distribution of thick loessal sediment around Qiaojia in the Jinshajiang River valley, especially near the Huatan area, Ningnan county, Sichuan province on the left bank. | |
| 3 | The Pan-Xi area can be divided into three zones according to MT results: Lijian to Hua-ping, Huaping to Huili and Huili to Qiaojia. |