LocNo: 6684Tsingyuan Fm.,low. Mb., bed 2, lower pt.
| Country: |
China
|
| Province: |
Ningxia, Zhongwei Co.
|
| Locality: |
Xiaoyuchuan section, upper
|
| Layer: | Tsingyuan Fm.,low. Mb., bed 2, lower pt. |
| Lower Boundary: |
RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years
|
| Upper Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|
| Georeference: |