Country:
|
France
|
Province:
|
Nord-Pas-de-Calais
|
Locality:
|
Valenciennes,Houillères
|
Layer:
|
Homoc.undulatum horizon, pl.B |
Lower Boundary:
|
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|
Upper Boundary:
|
Alportian--Kinderscoutian [ALP--KIN], 317 million years
|
Georeference:
|
|