LocNo: 6692Tsingyuan Fm., lower Mb.
| Country: |
China
|
| Province: |
Ningxia, Zhongning Co.
|
| Locality: |
Chenmazijing
|
| Layer: | Tsingyuan Fm., lower Mb. |
| Lower Boundary: |
UAR Wedington--Limestone/Fayetteville, 326 million years
|
| Upper Boundary: |
RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years
|
| Georeference: |