Sample 18.1, section X.HA (Cortijo del Hielo): Aptian, Spain

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Coccolithophyceae - Braarudosphaerales - Polycyclolithaceae
Hayesites irregularis (Thierstein et al. 1972)
see common names

Geography
Country:Spain State/province:Granada
Coordinates: 37.9° North, 2.6° West (view map)
Paleocoordinates:28.0° North, 6.5° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Aptian 10 m.y. bin:Cretaceous 3
Key time interval:Aptian
Age range of interval:121.40000 - 113.00000 m.y. ago
Stratigraphy
Local section:X.HA Local bed:34.2 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: No lithostratigraphic unit names mentioned in text or figures. From Weissi ammonite Biozone of the lower Aptian.
Lithology and environment
Primary lithology: marl
Includes fossils?Y
Lithology description: Lithology consists of rhymically alternating marly limestone beds 5 to 70cm thick, and marly interbeds up to several metres thick.
Environment:carbonate indet.
Geology comments: Pelagic section in the External Zone of the Betic Cordillera of Spain.
Taphonomy
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Collection methods and comments
Collection excludes:some microfossils
Collection methods:selective quarrying,field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Detailed sampling was carried out by authors for this study. No repository is listed, but presumably specimens reside with the authors at either Escuela Universitaria or Universidad de Granada.
Taxonomic list comments:Exhaustive for ammonites, while some calcareous nannofossils are listed.
Metadata
Database number:50397
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:micropaleontology
Created:2005-05-14 13:43:59 Last modified:2013-11-25 13:37:23
Access level:the public Released:2005-05-14 13:43:58
Creative Commons license:CC BY
Reference information

Primary reference:

13528. R. Aguado, M. Company, J. Sandoval and J.M. Taver. 1997. Biostratigraphic events at the Barremian/Aptian boundary in the Betic Cordillera, southern Spain. Cretaceous Research 18:309-329 [A. Miller/A. Hendy/J. Alroy]