THE FOSSO CUPO FORMATION (NORTHERN LATIUM, ITALY) - REDEFINITION AND NEW AGE DATA FROM RADIOLARIAN AND CALCAREOUS NANNOFOSSIL BIOSTRATIGRAPHY

被引：3

作者：

PASSERINI, MM ^{[1
]}

GARDIN, S ^{[1
]}

机构：

[1] IST GEOL,I-41100 MODENA,ITALY

来源：

CRETACEOUS RESEARCH | 1992年 / 13卷 / 5-6期

关键词：

LATE CRETACEOUS; RADIOLARIA; CALCAREOUS NANNOFOSSILS; BIOSTRATIGRAPHY; CENTRAL ITALY;

D O I：

10.1016/0195-6671(92)90017-K

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

The 'Varicoloured Manganiferous Shales', cropping out at Monti della Tolfa (northern Latium, Italy) constitute the stratigraphic substratum of the Upper Cretaceous Pietraforte Flysch in the Ligurid nappes of the Northern Apennines. These shales are here renamed the 'Fosso Cupo Formation'. A detailed study of radiolarians and calcareous nannofossils permits assignment of this formation to the Turonian-late Santonian interval. Previous data indicated an uncertain age ranging from Aptian/Albian to Late Cretaceous. A new radiolarian subspecies, Crucella cachensis toljaensis, is described. © 1992.

引用

页码：549 / 563

页数：15

共 25 条

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