| mhorn | Дата: Friday, 25.09.2015, 17:15 | Сообщение # 1 |
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| Dietze V., Wannenmacher N., Franz M., Schweigert G. (2015) Lithological section and biostratigraphy of the Gosheim Formation in its type area (Lower Bajocian, Swabian Alb, SW Germany) // Palaeodiversity, Vol.8. P.31-69.
pdf: http://www.palaeodiversity.org/pdf....l_3.pdf
A temporary section of the Lower Bajocian in the vicinity of Gosheim (W Swabian Alb, Germany) exposed the higher part of the ferruginous Humphriesioolith and the marly Blagdenischichten. The Humphriesioolith Member at the base and the overlying Blagdenischichten Member are combined in the herein newly introduced Gosheim Formation. Biostratigraphically, the section studied ranges from the Romani up to the Blagdeni subzones of the Humphriesianum Zone. Within this section we analyzed the ammonite faunas and recognized one ammonite faunal horizon of the Romani Subzone (romani horizon), three faunal horizons of the Humphriesianum Subzone (gervillii/cycloides, mutabile, and umbilicum horizons) and a further, still unnamed horizon at the base of the Blagdeni Subzone
Middle Jurassic - Lower Cretaceous ammonites & aptychi
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