LocNo: 6690Tsingyuan Fm., up. Mb., lower part
| Country: |
China
|
| Province: |
Ningxia
|
| Locality: |
Shitanjing, Shizuishan City
|
| Layer: | Tsingyuan Fm., up. Mb., lower part |
| Lower Boundary: |
Alportian--Kinderscoutian [ALP--KIN], 317 million years
|
| Upper Boundary: |
Kinderscoutian--Marsdenian [KIN--MRD], 315 million years
|
| Georeference: |