|
Locality |
Layer |
|
Germany, Rhenish Mountains, Albringhausen, Neu-Wülfingsburg pit |
G1 |
|
Germany, Rhenish Mountains, Essen-Kupferdreh, brickpit Adler pit |
Westfal A1 |
|
Germany, Rhenish Mountains, Herbede, Lothringen mine |
G1 |
|
Germany, Rhenish Mountains, Unna, Alter Hellweg mine |
G1 |