|
Locality |
Layer |
|
Germany, Rhenish Mountains, Dorsten, Fürst Leopold-Baldur mine |
Westfal C1 |
|
Germany, Rhenish Mountains, Herbede, Zeche Herb. Steinkohlenbergwerk |
Hauptflöz |
|
Germany, Rhenish Mountains, Unna-Königsborn, mine |
G1 |
|
Germany, Rhenish Mountains, Waltrop, Waltrop mine |
Westfal A1 |
|
Germany, Rhenish Mountains, Waltrop, Waltrop mine |
Westfal B1 |