Stewartby quarry, Stewartby Brickworks: Callovian, United Kingdom
collected by K. Duff 1970

Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country:United Kingdom State/province:England County:Bedfordshire
Coordinates: 52.1° North, 0.5° West (view map)
Paleocoordinates:35.9° North, 19.5° East (Wright 2013)
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Middle Jurassic
Stage: Callovian 10 m.y. bin: Jurassic 5
Key time interval: Callovian Ammonoid zone:  Kosmoceras medea
Age range of interval: 165.3 - 161.5 m.y. ago
Stratigraphy
Geological group:Ancholme Formation:Oxford Clay Member:Peterborough
Local section:Stewartby Brickworks Local bed:6a
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:lenticular,planar lamination,green lithified silty claystone
Includes fossils?Y
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:macrofossils,mesofossils
Fragmentation:occasional
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:general faunal/floral analysis
Collectors:K. Duff Collection dates:1970
Collection method comments: Repository: Leicester University Geology Collections (LEIUG)
Metadata
Database number:186252
Authorizer:V. Syverson Enterer:V. Syverson
Modifier:M. Carrano
Created:2017-06-18 11:11:11 Last modified:2025-02-22 15:12:02
Access level:the public Released:2017-06-18 11:11:11
Creative Commons license:CC0
Reference information

Primary reference:
62465. T. A. M. Ewin and B. Thuy. 2017. Brittle stars from the British Oxford Clay: unexpected ophiuroid diversity on Jurassic sublittoral mud bottoms. Journal of Paleontology 91(4):781-798 [V. Syverson/V. Syverson/M. Uhen]