Locality
Holdre borehole
25
Stratigraphy
Type
Depth (m)
Reference
Remarks
From
1
To
2
Õhne Formation
holostratotype
389.00427.50Ulst, 1976adestroyed
Rozēni Member
holostratotype
389.00422.60Ulst, 1976adestroyed
Rūja Member
holostratotype
422.60427.50Ulst, 1976adestroyed
25
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