LocNo: 6691Tsingyuan Fm., lower part
| Country: |
China
|
| Province: |
Ningxia, Zhongning Co.
|
| Locality: |
Dashitoujing
|
| Layer: | Tsingyuan Fm., lower part |
| Lower Boundary: |
RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years
|
| Upper Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|
| Georeference: |