|
Locality |
Layer |
|
Germany, Rhenish Mountains, Herbede, Lothringen mine |
G1 |
|
Great Britain, England,Lancashire, Helmshore Station,730 m NW of |
Above Hazel Greave Grit,early gamma bed |
|
Great Britain, England,Lancashire, Royshaw Brick,1600m N Blackburn |
Above Hazel Greave Grit, early gamma bed |